/* ==========================================================================
   Gotham — self-hosted webfont family
   Static weights only; intermediate CSS weights (720–780, 800–900) are
   mapped onto Bold/Black below so no synthetic bolding occurs.
   ========================================================================== */

@font-face {
  font-family: "Gotham";
  src: url("assets/fonts/Gotham-Thin.woff2") format("woff2"),
       url("assets/fonts/Gotham-Thin.woff") format("woff");
  font-weight: 200;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Gotham";
  src: url("assets/fonts/Gotham-Light.woff2") format("woff2"),
       url("assets/fonts/Gotham-Light.woff") format("woff");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Gotham";
  src: url("assets/fonts/Gotham-Book.woff2") format("woff2"),
       url("assets/fonts/Gotham-Book.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Gotham";
  src: url("assets/fonts/Gotham-Medium.woff2") format("woff2"),
       url("assets/fonts/Gotham-Medium.woff") format("woff");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Gotham";
  src: url("assets/fonts/Gotham-Bold.woff2") format("woff2"),
       url("assets/fonts/Gotham-Bold.woff") format("woff");
  font-weight: 600 780;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Gotham";
  src: url("assets/fonts/Gotham-Black.woff2") format("woff2"),
       url("assets/fonts/Gotham-Black.woff") format("woff");
  font-weight: 781 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --canray: #006f48;
  --canray-bright: #00a86b;
  --canray-soft: #d8efe6;
  --canray-ink: #052b21;
  --ink: #07130f;
  --ink-soft: #26332e;
  --gray: #898b8e;
  --gray-light: #d8ddda;
  --paper: #ffffff;
  --mist: #f3f7f5;
  --mist-deep: #e5efea;
  --danger: #dc6a47;
  --max: 1240px;
  --gutter: clamp(1.25rem, 4vw, 4.5rem);
  --radius-sm: 0.75rem;
  --radius: 1.4rem;
  --radius-lg: 2.1rem;
  --shadow-soft: 0 24px 80px rgba(6, 25, 18, 0.1);
  --shadow-dark: 0 40px 100px rgba(0, 0, 0, 0.24);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --header-height: 74px;
  --ribbon-height: 0px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--ribbon-height) + 1rem);
  overflow-x: hidden;
  background: var(--ink);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: "Gotham", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button,
a,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

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

::selection {
  color: var(--paper);
  background: var(--canray);
}

:focus-visible {
  outline: 3px solid var(--canray-bright);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 9999;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.65rem 0.9rem;
  color: var(--paper);
  background: var(--canray);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  z-index: 900;
  top: var(--ribbon-height);
  right: 0;
  left: 0;
  height: var(--header-height);
  color: var(--paper);
  background: rgba(7, 19, 15, 0.68);
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  backdrop-filter: blur(20px) saturate(140%);
  transition: background 240ms ease, box-shadow 240ms ease;
}

.site-header.is-scrolled {
  background: rgba(5, 20, 15, 0.94);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.22);
}

.header-shell,
.hero-shell,
.section-shell,
.meeting-shell,
.footer-shell {
  width: min(var(--max), calc(100% - (2 * var(--gutter))));
  margin-inline: auto;
}

.header-shell {
  height: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(1rem, 3vw, 3rem);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: max-content;
}

.brand-wordmark {
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.brand-logo {
  display: block;
  height: 2.1rem;
  width: auto;
  /* Logo koyu yeşil/gri; koyu header üzerinde okunabilmesi için beyaza çevriliyor */
  filter: brightness(0) invert(1);
}

.brand-divider {
  width: 1px;
  height: 1.35rem;
  background: rgba(255, 255, 255, 0.3);
}

.event-mark {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.primary-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2.5vw, 2.5rem);
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.primary-nav a {
  position: relative;
  padding-block: 0.5rem;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: var(--canray-bright);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms var(--ease);
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.scroll-progress {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  pointer-events: none;
  background: var(--canray-bright);
  transform: scaleX(0);
  transform-origin: left;
}

.button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  min-height: 3rem;
  padding: 0.85rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.055em;
  line-height: 1;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, transform 180ms var(--ease), box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--paper);
  background: var(--canray);
  box-shadow: 0 14px 32px rgba(0, 111, 72, 0.25);
}

.button-primary:hover {
  background: #008154;
  box-shadow: 0 18px 40px rgba(0, 111, 72, 0.35);
}

.button-accent {
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.18);
}

.button-accent:hover {
  color: var(--canray);
  background: #f3fff9;
}

.button-small {
  min-height: 2.55rem;
  padding: 0.7rem 1rem;
  font-size: 0.68rem;
}

.button-header {
  color: var(--ink);
  background: var(--paper);
  white-space: nowrap;
}

.button-header:hover {
  color: var(--canray);
  background: #f2fff9;
}

.button-large {
  min-height: 3.7rem;
  padding: 1.05rem 1.45rem;
}

.button-icon,
.arrow {
  transition: transform 180ms var(--ease);
}

.button:hover .button-icon,
.text-link:hover .arrow,
.text-button:hover .arrow {
  transform: translateX(4px);
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  overflow: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 76% 42%, rgba(0, 111, 72, 0.1), transparent 30%),
    radial-gradient(circle at 16% 72%, rgba(137, 139, 142, 0.09), transparent 34%),
    linear-gradient(135deg, #ffffff 0%, #f4f8f6 58%, #eaf3ef 100%);
}

.hero::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(0, 111, 72, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 111, 72, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, transparent, black 45%, black 100%);
}

.hero-noise {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.08;
  background: repeating-linear-gradient(117deg, transparent 0 10px, rgba(0, 111, 72, 0.04) 11px 12px);
}

.hero-shell {
  min-height: 100svh;
  padding-top: calc(var(--header-height) + var(--ribbon-height) + clamp(3.5rem, 8vh, 7rem));
  padding-bottom: clamp(4rem, 8vh, 7rem);
  display: flex;
  align-items: center;
}

.hero-grid {
  width: min(var(--max), calc(100% - (2 * var(--gutter))));
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(380px, 0.9fr);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: center;
}

.eyebrow,
.section-kicker,
.product-code,
.proof-id,
.canvas-label,
.process-detail-label {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin: 0 0 1.35rem;
  color: var(--canray);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero .eyebrow,
.section-kicker-light {
  color: var(--canray);
}

.eyebrow-line {
  width: 2.8rem;
  height: 1px;
  background: currentColor;
}

.hero h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3.1rem, 5.2vw, 6rem);
  font-weight: 850;
  letter-spacing: -0.058em;
  line-height: 0.93;
  text-wrap: balance;
}

.hero-emphasis {
  display: block;
  color: var(--canray);
}

.hero-lede {
  max-width: 55ch;
  margin: clamp(1.8rem, 3vw, 2.8rem) 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(1.05rem, 1.35vw, 1.3rem);
  line-height: 1.55;
}

.hero-lede strong {
  color: var(--ink);
  font-weight: 750;
}

.hero-actions {
  margin-top: 2.35rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.2rem;
}

.text-link,
.text-button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0;
  color: currentColor;
  background: transparent;
  border: 0;
  border-bottom: 1px solid currentColor;
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.text-link-light {
  color: rgba(255, 255, 255, 0.9);
}

.hero-audience {
  list-style: none;
  padding: 0;
  margin-top: 2.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.hero-audience li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.hero-audience li:not(:last-child)::after {
  width: 3px;
  height: 3px;
  margin-left: 0.15rem;
  content: "";
  border-radius: 50%;
  background: var(--canray-bright);
}

.hero-visual {
  position: relative;
  min-height: min(660px, 68vh);
  display: grid;
  place-items: center;
  perspective: 1200px;
  overflow: hidden;
  border: 1px solid rgba(0, 111, 72, 0.14);
  border-radius: var(--radius-lg);
  background: #eef3f1;
  box-shadow: 0 34px 80px rgba(7, 19, 15, 0.13);
}

.hero-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.015);
}

.hero-media-wash {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7,19,15,.3), transparent 42%),
    linear-gradient(180deg, rgba(255,255,255,.02), rgba(0,111,72,.14));
}

.interior-model {
  position: relative;
  width: min(100%, 520px);
  aspect-ratio: 0.8;
  transform-style: preserve-3d;
  transform: rotateY(-6deg) rotateX(2deg);
  transition: transform 500ms var(--ease);
}

.hero-visual:hover .interior-model {
  transform: rotateY(0deg) rotateX(0deg) translateY(-4px);
}

.model-arc,
.model-ceiling,
.model-rack,
.model-duct {
  position: absolute;
  border: 1px solid rgba(0, 111, 72, 0.58);
  box-shadow: inset 0 0 30px rgba(0, 111, 72, 0.04), 0 0 30px rgba(0, 111, 72, 0.05);
}

.model-arc {
  inset: 9% 8% 8%;
  border-width: 2px;
  border-radius: 52% 52% 18% 18% / 34% 34% 8% 8%;
}

.model-arc-2 {
  inset: 16% 14% 13%;
  border-color: rgba(7, 19, 15, 0.16);
}

.model-ceiling {
  top: 20%;
  right: 25%;
  left: 25%;
  height: 18%;
  border-radius: 50% 50% 12% 12%;
  background: linear-gradient(180deg, rgba(82, 219, 163, 0.12), transparent);
}

.model-rack {
  top: 39%;
  right: 12%;
  left: 12%;
  height: 13%;
  border-radius: 0.25rem;
  transform: perspective(400px) rotateX(55deg);
}

.model-duct {
  bottom: 18%;
  left: 42%;
  width: 16%;
  height: 34%;
  border-radius: 999px;
  border-style: dashed;
}

.model-line {
  position: absolute;
  height: 1px;
  background: rgba(7, 19, 15, 0.2);
  transform-origin: left;
}

.model-line::after {
  position: absolute;
  top: -2px;
  right: 0;
  width: 5px;
  height: 5px;
  content: "";
  border-radius: 50%;
  background: var(--canray-bright);
}

.model-line-1 { top: 27%; left: 3%; width: 30%; transform: rotate(8deg); }
.model-line-2 { top: 47%; right: 2%; width: 28%; transform: rotate(-7deg); }
.model-line-3 { bottom: 24%; left: 8%; width: 35%; transform: rotate(-11deg); }

.model-node {
  position: absolute;
  width: 0.8rem;
  height: 0.8rem;
  border: 2px solid var(--canray-bright);
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 0 0 7px rgba(0, 168, 107, 0.1);
}

.node-1 { top: 27%; left: 33%; }
.node-2 { top: 45%; right: 29%; }
.node-3 { bottom: 27%; left: 40%; }

.visual-callout {
  position: absolute;
  z-index: 3;
  max-width: 13rem;
  padding: 0.75rem 0.9rem;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(0, 111, 72, 0.18);
  border-radius: 0.55rem;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(12px);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.35;
}

.callout-one { top: 18%; left: -3%; }
.callout-two { top: 43%; right: -5%; }
.callout-three { bottom: 15%; left: 1%; }

.callout-index {
  display: block;
  margin-bottom: 0.28rem;
  color: var(--canray-bright);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
}

.visual-status {
  position: absolute;
  z-index: 3;
  right: 1rem;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: rgba(7, 19, 15, 0.5);
  font-size: 0.62rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.visual-status::before {
  width: 0.45rem;
  height: 0.45rem;
  content: "";
  border: 1px solid var(--canray-bright);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(0, 168, 107, 0.08);
}

.scroll-cue {
  position: absolute;
  right: var(--gutter);
  bottom: 2.2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: rgba(7, 19, 15, 0.46);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.scroll-line {
  width: 1px;
  height: 3rem;
  overflow: hidden;
  background: rgba(7, 19, 15, 0.2);
}

.scroll-line::after {
  display: block;
  width: 1px;
  height: 55%;
  content: "";
  background: var(--canray-bright);
  animation: scrollSignal 1.8s infinite var(--ease);
}

@keyframes scrollSignal {
  0% { transform: translateY(-120%); }
  100% { transform: translateY(220%); }
}

.section {
  position: relative;
  padding-block: clamp(4.25rem, 7vw, 7rem);
}

.section-light { background: #f7f8f6; }
.section-white { background: var(--paper); }
.section-mist { background: var(--mist); }
.section-ink { color: var(--paper); background: var(--ink); }

.section-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 0.48fr);
  align-items: end;
  gap: clamp(2rem, 8vw, 8rem);
  margin-bottom: clamp(3rem, 6vw, 5.5rem);
}

.section-intro > .section-kicker {
  grid-column: 1 / -1;
  margin-bottom: -0.5rem;
}

.section-intro > h2 {
  grid-column: 1;
}

.section-intro > p:not(.section-kicker) {
  grid-column: 2;
  align-self: end;
  margin: 0;
  color: #5c6762;
  font-size: clamp(1rem, 1.25vw, 1.16rem);
  line-height: 1.7;
}

.compact-intro {
  grid-template-columns: minmax(0, 0.8fr) minmax(260px, 0.4fr);
}

.section-intro h2,
.section-heading-row h2,
.showcase-copy h2,
.engineering-copy h2,
.meeting-section h2,
.contact-section h2 {
  margin: 0;
  font-size: clamp(2.25rem, 4.8vw, 5.25rem);
  font-weight: 850;
  letter-spacing: -0.052em;
  line-height: 0.98;
  text-wrap: balance;
}

.section-side-copy,
.showcase-lede {
  margin: 0;
  color: #5c6762;
  font-size: clamp(1rem, 1.25vw, 1.16rem);
  line-height: 1.7;
}

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: #cfd5d1;
  border: 1px solid #cfd5d1;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.challenge-card {
  position: relative;
  min-height: 20rem;
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
  display: flex;
  flex-direction: column;
  color: var(--ink);
  background: var(--paper);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: background 250ms ease, transform 250ms var(--ease);
}

.challenge-card:hover {
  z-index: 2;
  background: #f1fff8;
}

.card-number {
  color: var(--canray);
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.technical-mark {
  position: relative;
  width: 4.25rem;
  height: 4.25rem;
  margin: 2rem 0 auto;
  display: block;
  color: var(--canray);
  border: 1px solid rgba(0,111,72,.25);
  border-radius: 50%;
  background: rgba(0,111,72,.035);
}

.technical-mark::before,
.technical-mark::after,
.technical-mark i {
  position: absolute;
  content: "";
}

.technical-mark i { display: block; }
.mark-interface::before { left: 50%; top: .75rem; bottom: .75rem; width: 1px; background: currentColor; }
.mark-interface::after { top: 50%; left: .75rem; right: .75rem; height: 1px; background: currentColor; }
.mark-interface i:nth-child(1), .mark-interface i:nth-child(2), .mark-interface i:nth-child(3) { width:.45rem; height:.45rem; border:1px solid currentColor; border-radius:50%; background:#fff; }
.mark-interface i:nth-child(1){left:.63rem;top:1.15rem}.mark-interface i:nth-child(2){right:.63rem;top:1.15rem}.mark-interface i:nth-child(3){left:1.87rem;bottom:.55rem}
.mark-industry::before { left:.75rem; right:.75rem; bottom:.85rem; height:1.45rem; border:1px solid currentColor; border-top:0; }
.mark-industry::after { left:.75rem; bottom:2.3rem; width:2.75rem; height:1rem; background:linear-gradient(145deg, transparent 0 34%, currentColor 35% 37%, transparent 38% 62%, currentColor 63% 65%, transparent 66%); }
.mark-industry i:nth-child(1),.mark-industry i:nth-child(2),.mark-industry i:nth-child(3){bottom:1.3rem;width:.38rem;height:.7rem;border:1px solid currentColor}.mark-industry i:nth-child(1){left:1.1rem}.mark-industry i:nth-child(2){left:1.92rem}.mark-industry i:nth-child(3){right:1.1rem}
.mark-make::before { inset:.78rem; border:1px solid currentColor; border-radius:50%; }
.mark-make::after { left:50%; top:.42rem; bottom:.42rem; width:1px; background:currentColor; transform:rotate(35deg); }
.mark-make i:nth-child(1){left:.6rem;right:.6rem;top:50%;height:1px;background:currentColor;transform:rotate(-20deg)}.mark-make i:nth-child(2){width:.55rem;height:.55rem;border:1px solid currentColor;border-radius:50%;left:1.18rem;top:1.2rem}.mark-make i:nth-child(3){width:.55rem;height:.55rem;border:1px solid currentColor;border-radius:50%;right:.78rem;bottom:1rem}
.mark-check::before { left:1.08rem; top:1.05rem; width:1.8rem; height:1rem; border-left:2px solid currentColor; border-bottom:2px solid currentColor; transform:rotate(-45deg); }
.mark-check::after { left:.68rem; right:.68rem; bottom:.72rem; height:1px; background:currentColor; }

.challenge-card h3 {
  margin: 1.75rem 0 0.7rem;
  font-size: clamp(1.35rem, 1.8vw, 1.75rem);
  line-height: 1.05;
}

.challenge-card > h3 {
  min-height: 3.5rem;
}

.challenge-card p {
  margin: 0;
  color: #69736e;
  font-size: 0.9rem;
}

.challenge-card > p:not(.card-prompt) {
  min-height: 6rem;
}

.card-prompt {
  margin-top: 1.6rem !important;
  color: var(--canray) !important;
  font-weight: 760;
}

.engineering-section {
  overflow: hidden;
  background:
    radial-gradient(circle at 90% 15%, rgba(0, 168, 107, 0.14), transparent 28%),
    var(--ink);
}

.engineering-section::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 0.15;
  background-image: linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 12.5% 100%;
}

.engineering-copy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 2rem;
}

.engineering-copy > .section-kicker {
  grid-column: 1 / -1;
}

.engineering-copy > h2 {
  grid-column: 1;
  grid-row: 2 / 4;
}

.engineering-copy > p:not(.section-kicker),
.engineering-copy > .text-link {
  grid-column: 2;
}

.engineering-copy > p:not(.section-kicker) {
  margin: 0;
  color: rgba(255,255,255,.64);
}

.engineering-copy > .text-link {
  justify-self: start;
}

.engineering-copy h2 {
  max-width: 14ch;
}

.process-rail {
  position: relative;
  margin-top: clamp(4rem, 8vw, 8rem);
  display: grid;
  grid-template-columns: repeat(6, 1fr);
}

.process-line {
  position: absolute;
  z-index: 0;
  top: 1.14rem;
  right: 1.15rem;
  left: 1.15rem;
  height: 1px;
  background: rgba(255, 255, 255, 0.18);
}

.process-line-fill {
  position: absolute;
  inset: 0;
  background: var(--canray-bright);
  box-shadow: 0 0 16px rgba(0, 168, 107, 0.5);
  transform: scaleX(0);
  transform-origin: left center;
}

.process-train {
  position: absolute;
  z-index: 6;
  top: 50%;
  left: 0;
  width: 4.6rem;
  height: 1.6rem;
  translate: -50% -112%;
  pointer-events: none;
  will-change: transform;
}

.train-shell {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(3, .52rem) .38rem;
  align-items: center;
  justify-content: center;
  gap: .22rem;
  overflow: hidden;
  color: var(--ink);
  background: linear-gradient(180deg, #f9fffc 0 60%, var(--canray-bright) 60% 100%);
  border: 1px solid rgba(82, 219, 163, .9);
  border-radius: .36rem 1rem .28rem .28rem;
  box-shadow: 0 8px 22px rgba(0, 0, 0, .36), 0 0 0 4px rgba(82, 219, 163, .08);
  transform-origin: center;
  transition: filter 180ms ease, box-shadow 180ms ease, opacity 180ms ease, transform 180ms ease;
}

.process-story[data-route-direction="backward"] .train-shell { transform: scaleX(-1); }

.train-shell::before,
.train-shell::after {
  content: "";
  position: absolute;
  bottom: -.13rem;
  width: .44rem;
  height: .44rem;
  background: var(--ink);
  border: 2px solid var(--canray-bright);
  border-radius: 50%;
}

.train-shell::before { left: .78rem; }
.train-shell::after { right: .7rem; }

.train-window,
.train-door {
  display: block;
  height: .43rem;
  background: #15362b;
  border-radius: .08rem;
}

.train-door { height: .72rem; }

.process-story[data-train-state="departing"] .train-shell { filter: brightness(1.05); }
.process-story[data-train-state="in_transit"] .train-shell { box-shadow: 0 9px 24px rgba(0,0,0,.4), -12px 0 24px rgba(82,219,163,.12); }
.process-story[data-train-state="approaching_station"] .train-shell,
.process-story[data-train-state="arriving"] .train-shell { filter: brightness(1.08); }
.process-story[data-train-state="completed_route"] .train-shell { box-shadow: 0 8px 22px rgba(0,0,0,.34), 0 0 0 5px rgba(82,219,163,.14); }

.process-step {
  position: relative;
  z-index: 1;
  appearance: none;
  min-width: 0;
  padding: 0 0.5rem;
  color: rgba(255, 255, 255, 0.48);
  background: transparent !important;
  background-image: none !important;
  border: 0;
  cursor: pointer;
  text-align: left;
  transition: color 180ms ease;
}

.process-step:first-of-type { padding-left: 0; }
.process-step:last-of-type { text-align: right; padding-right: 0; }

.step-dot {
  position: relative;
  display: block;
  width: 2.3rem;
  height: 2.3rem;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: .48rem;
  background: var(--ink);
  transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease, opacity 180ms ease, transform 180ms ease;
}

.station-marker::before {
  content: "";
  position: absolute;
  inset: .46rem .55rem .68rem;
  border: 1px solid currentColor;
  border-bottom: 0;
  border-radius: .25rem .25rem 0 0;
}

.station-platform {
  position: absolute;
  right: .35rem;
  bottom: .39rem;
  left: .35rem;
  height: 1px;
  background: currentColor;
  box-shadow: 0 .24rem 0 currentColor;
}

.process-step:last-of-type .step-dot { margin-left: auto; }
.process-step:not(:first-of-type):not(:last-of-type) .step-dot { margin-inline: auto; }

.step-index {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.58rem;
  letter-spacing: 0.1em;
}

.step-name {
  font-size: clamp(0.7rem, 1vw, 0.88rem);
  font-weight: 780;
}

.process-step.is-active,
.process-step.is-current,
.process-step.is-completed,
.process-step:hover {
  color: var(--paper);
}

.process-step.is-active .step-dot,
.process-step.is-current .step-dot {
  border-color: var(--canray-bright);
  color: var(--paper);
  background: var(--canray-primary);
  box-shadow: 0 0 0 8px rgba(0, 168, 107, 0.1), 0 0 26px rgba(82,219,163,.2);
  transform: translateY(-2px);
}

.process-step.is-completed .step-dot {
  color: var(--canray-bright);
  border-color: rgba(82,219,163,.7);
  background: rgba(0,111,72,.18);
}

.process-step.is-next {
  color: rgba(255,255,255,.78);
}

.process-step.is-next .step-dot {
  color: var(--canray-bright);
  border-color: rgba(82,219,163,.55);
  box-shadow: 0 0 0 5px rgba(82,219,163,.05);
}

.process-step.is-upcoming { color: rgba(255,255,255,.38); }
.process-step.is-inactive { color: rgba(255,255,255,.2); cursor: default; }
.process-step.is-inactive .step-dot { opacity: .45; }

.process-step.is-arrival-emphasis .step-dot {
  animation: station-arrival 520ms cubic-bezier(.2,.8,.2,1) both;
}

@keyframes station-arrival {
  0% { box-shadow: 0 0 0 0 rgba(82,219,163,.35); }
  100% { box-shadow: 0 0 0 12px rgba(82,219,163,0); }
}

.process-detail {
  max-width: 48rem;
  min-height: 9rem;
  margin-top: 3.8rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.process-detail p:last-child {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.25rem, 2vw, 1.85rem);
  line-height: 1.38;
}

.showcase-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, 0.74fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}

.showcase-stage {
  position: relative;
}

.showcase-canvas {
  position: relative;
  min-height: clamp(500px, 62vw, 730px);
  overflow: hidden;
  background: #0b1e17;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-dark);
}

.showcase-media > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 52% center;
  filter: saturate(.82) contrast(1.04);
}

.showcase-media-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5,29,21,.38), transparent 55%),
    linear-gradient(180deg, transparent 52%, rgba(5,29,21,.72));
}

.showcase-media .canvas-grid,
.showcase-media .canvas-axis,
.showcase-media .exploded-part,
.showcase-media .canvas-label {
  z-index: 2;
}

.showcase-media .exploded-part {
  opacity: .48;
  mix-blend-mode: screen;
}

.showcase-media .canvas-grid {
  opacity: .12;
}

.canvas-grid {
  position: absolute;
  inset: 0;
  opacity: 0.24;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 48px 48px;
}

.canvas-axis {
  position: absolute;
  background: rgba(82, 219, 163, 0.35);
}

.axis-x { left: 8%; right: 8%; top: 50%; height: 1px; }
.axis-y { top: 8%; bottom: 8%; left: 50%; width: 1px; }

.exploded-part {
  position: absolute;
  border: 2px solid rgba(82, 219, 163, 0.8);
  filter: drop-shadow(0 22px 30px rgba(0, 0, 0, 0.35));
}

.part-ceiling {
  top: 16%;
  left: 20%;
  width: 60%;
  height: 18%;
  border-radius: 50% 50% 20% 20%;
  background: linear-gradient(180deg, rgba(82,219,163,.14), rgba(82,219,163,.02));
  transform: perspective(700px) rotateX(58deg) rotateZ(-3deg);
}

.part-rack {
  top: 43%;
  left: 10%;
  width: 80%;
  height: 12%;
  background: repeating-linear-gradient(90deg, transparent 0 12%, rgba(82,219,163,.14) 12.5% 13%);
  transform: perspective(700px) rotateX(68deg) rotateZ(3deg);
}

.part-duct {
  bottom: 13%;
  left: 39%;
  width: 22%;
  height: 29%;
  border-style: dashed;
  border-radius: 45%;
  transform: perspective(700px) rotateY(22deg);
}

.shape {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

.shape-a { width: 15rem; height: 15rem; top: -5rem; right: -6rem; }
.shape-b { width: 8rem; height: 8rem; bottom: 5rem; left: -3rem; }
.shape-c { width: 4rem; height: 4rem; bottom: 7rem; right: 5rem; border-color: rgba(82,219,163,.35); }

.canvas-label {
  position: absolute;
  bottom: 1.6rem;
  left: 1.6rem;
  max-width: 24rem;
  margin: 0;
  color: rgba(255,255,255,.48);
  font-size: 0.62rem;
}

.visual-placeholder-note {
  position: absolute;
  z-index: 2;
  top: 1.2rem;
  left: 1.2rem;
  max-width: 16rem;
  padding: 0.7rem 0.8rem;
  color: #f6d3c9;
  background: rgba(120, 50, 30, 0.22);
  border: 1px solid rgba(220, 106, 71, 0.42);
  border-radius: 0.6rem;
  font-size: 0.62rem;
  font-weight: 760;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.showcase-copy h2 {
  margin-bottom: 1.7rem;
}

.showcase-copy h3 {
  margin: 0 0 1.4rem;
  font-size: clamp(2.3rem, 4.7vw, 5rem);
  font-weight: 850;
  letter-spacing: -0.052em;
  line-height: 0.98;
}

.showcase-meta {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 2rem 0 0;
  color: var(--canray);
  font-size: 0.66rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.showcase-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  border-top: 1px solid rgba(0,111,72,.18);
}

.showcase-list li {
  display: grid;
  grid-template-columns: 1rem 2rem 1fr;
  gap: 0.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(0,111,72,.16);
  font-size: 0.92rem;
  font-weight: 720;
}

.showcase-list li::before {
  content: "↳";
  color: var(--canray);
}

.evidence-boundary {
  margin-top: 2rem;
  padding: 1rem 1.1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  color: #42534c;
  background: rgba(0,111,72,.05);
  border: 1px solid rgba(0,111,72,.16);
  border-radius: 0.8rem;
  font-size: 0.72rem;
  line-height: 1.5;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}

.product-card {
  position: relative;
  min-height: 30rem;
  padding: clamp(1.5rem, 3vw, 2.7rem);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--mist);
  border-radius: var(--radius);
  transform-style: preserve-3d;
  transition: transform 300ms var(--ease), box-shadow 300ms ease;
}

.product-card:hover {
  box-shadow: var(--shadow-soft);
}

.product-card-dark {
  color: var(--paper);
  background: var(--ink);
}

.product-card-green {
  color: var(--paper);
  background: var(--canray);
}

.product-card h3 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2rem, 4vw, 4.5rem);
  letter-spacing: -0.05em;
  line-height: 0.95;
}

.product-card p {
  max-width: 34rem;
  margin: 1rem 0 0;
  color: #59645f;
}

.product-card-dark p,
.product-card-green p {
  color: rgba(255,255,255,.68);
}

.product-code {
  color: var(--canray);
}

.product-card-dark .product-code,
.product-card-green .product-code {
  color: #78edbb;
}

.product-visual {
  position: relative;
  flex: 1;
  min-height: 12rem;
  margin-top: 2rem;
}

.product-visual::before,
.product-visual::after {
  position: absolute;
  content: "";
  border: 1px solid currentColor;
  opacity: 0.5;
}

.product-rack::before { left: 5%; right: 5%; top: 42%; height: 20%; transform: perspective(600px) rotateX(62deg); background: repeating-linear-gradient(90deg, transparent 0 10%, currentColor 10.4% 10.6%); }
.product-rack::after { left: 17%; right: 17%; top: 36%; height: 1px; border: 0; background: currentColor; }
.product-ceiling::before { inset: 5% 13% 18%; border-radius: 50% 50% 10% 10%; }
.product-ceiling::after { top: 28%; left: 25%; right: 25%; height: 10%; border-style: dashed; }
.product-air::before { width: 38%; height: 82%; left: 31%; top: 2%; border-radius: 45%; border-style: dashed; }
.product-air::after { width: 82%; height: 30%; left: 9%; top: 35%; border-radius: 45%; }
.product-structure::before { inset: 10%; transform: rotate(45deg); }
.product-structure::after { left: 0; right: 0; top: 50%; height: 1px; border: 0; background: currentColor; box-shadow: 0 -3rem 0 currentColor, 0 3rem 0 currentColor; }

.roles-header {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 0.7fr);
  gap: clamp(3rem, 8vw, 9rem);
  align-items: end;
}

.role-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.role-tabs button {
  appearance: none;
  padding: 0.75rem 1rem;
  color: #64706a;
  background: transparent;
  border: 1px solid #cbd2ce;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.role-tabs button[aria-selected="true"] {
  color: var(--paper);
  background: var(--canray);
  border-color: var(--canray);
}

.role-panels {
  margin-top: clamp(3rem, 6vw, 6rem);
}

.role-panel {
  min-height: 24rem;
  padding: clamp(2rem, 5vw, 5rem);
  color: var(--paper);
  background:
    linear-gradient(120deg, rgba(0, 168, 107, 0.15), transparent 45%),
    var(--ink);
  border-radius: var(--radius-lg);
}

.role-panel[hidden] { display: none; }

.role-panel.is-active {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr);
  gap: clamp(1rem, 4vw, 4rem);
  animation: panelIn 320ms var(--ease);
}

@keyframes panelIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.role-index {
  color: var(--canray-bright);
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.role-label {
  margin: 0 0 1.5rem;
  color: rgba(255,255,255,.48);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.role-panel h3 {
  max-width: 22ch;
  margin: 0;
  font-size: clamp(2.1rem, 4.8vw, 5.2rem);
  font-weight: 820;
  letter-spacing: -0.055em;
  line-height: 1;
}

.role-panel p:last-child {
  max-width: 48rem;
  margin: 2rem 0 0;
  color: rgba(255,255,255,.63);
  font-size: clamp(1rem, 1.25vw, 1.2rem);
}

.section-proof {
  color: var(--paper);
  background: #0b2b22;
}

.section-heading-row {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(280px, 0.45fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: end;
}

.section-heading-row .section-side-copy {
  color: rgba(255,255,255,.58);
}

.proof-list {
  margin-top: clamp(3rem, 6vw, 6rem);
  border-top: 1px solid rgba(255,255,255,.17);
}

.proof-item {
  border-bottom: 1px solid rgba(255,255,255,.17);
}

.proof-toggle {
  appearance: none;
  width: 100%;
  padding: 1.55rem 0;
  display: grid;
  grid-template-columns: 8.5rem 1fr auto;
  gap: 1.25rem;
  align-items: center;
  color: var(--paper);
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
}

.proof-id {
  margin: 0;
  color: var(--canray-bright);
  font-size: 0.63rem;
}

.proof-title {
  font-size: clamp(1.1rem, 1.8vw, 1.6rem);
  font-weight: 740;
}

.proof-plus {
  position: relative;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 50%;
}

.proof-plus::before,
.proof-plus::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.8rem;
  height: 1px;
  content: "";
  background: var(--paper);
  transform: translate(-50%, -50%);
  transition: transform 200ms var(--ease);
}

.proof-plus::after { transform: translate(-50%, -50%) rotate(90deg); }
.proof-toggle[aria-expanded="true"] .proof-plus::after { transform: translate(-50%, -50%) rotate(0); }

.proof-detail {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 1.25rem;
  padding: 0 0 2rem;
  color: rgba(255,255,255,.67);
}

.proof-detail[hidden] {
  display: none;
}

.section-proof > .section-shell > .proof-heading {
  display: grid;
  grid-template-columns: minmax(0, .75fr) minmax(280px, .45fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: end;
}

.section-proof > .section-shell > .proof-heading > .section-kicker {
  grid-column: 1 / -1;
  margin-bottom: -0.5rem;
}

.section-proof > .section-shell > .proof-heading > h2 {
  grid-column: 1;
  margin: 0;
  font-size: clamp(2.25rem, 4.8vw, 5.25rem);
  font-weight: 850;
  letter-spacing: -0.052em;
  line-height: 0.98;
}

.section-proof > .section-shell > .proof-heading > p:not(.section-kicker) {
  grid-column: 2;
  margin: 0;
  color: rgba(255,255,255,.58);
}

.proof-detail .proof-heading {
  color: rgba(255,255,255,.38);
  font-size: 0.62rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.proof-detail p {
  grid-column: 2;
  margin: 0;
}

.proof-limit {
  margin-top: 0.65rem !important;
  color: #e0bcb1 !important;
  font-size: 0.74rem;
}

.meeting-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(6rem, 12vw, 12rem);
  color: var(--paper);
  background: var(--canray);
}

.meeting-section::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background: radial-gradient(circle at 80% 30%, rgba(255,255,255,.18), transparent 24%);
}

.meeting-shell {
  position: relative;
  display: block;
}

.meeting-section h2 {
  max-width: 15ch;
}

.meeting-section h2 span {
  color: rgba(255,255,255,.55);
}

.meeting-section p {
  max-width: 44rem;
  margin: 1.8rem 0 0;
  color: rgba(255,255,255,.72);
  font-size: 1.08rem;
}

.meeting-shell > .button {
  margin-top: 2.2rem;
}

.booking-note {
  margin: 0.8rem 0 0;
  color: rgba(255,255,255,.54);
  font-size: 0.65rem;
  text-align: center;
}

.meeting-orbit {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 50%;
}

.orbit-one { width: 28rem; height: 28rem; top: -12rem; right: -8rem; }
.orbit-two { width: 18rem; height: 18rem; bottom: -12rem; left: 25%; }

.contact-section {
  padding-block: clamp(4rem, 7vw, 7rem);
  background: var(--paper);
}

.contact-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.55fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}

.contact-card {
  padding: 2rem;
  border: 1px solid #d5dad7;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.contact-name {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 820;
}

.contact-role {
  margin: 0.3rem 0 1.5rem;
  color: #69736e;
  font-size: 0.82rem;
}

.site-footer {
  padding-block: 2rem;
  color: rgba(255,255,255,.52);
  background: var(--ink);
}

.footer-shell {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.noscript-message {
  position: fixed;
  z-index: 9999;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  padding: 1rem;
  color: var(--paper);
  background: #6d3a2b;
  border-radius: 0.75rem;
  text-align: center;
}

.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

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

/* --------------------------------------------------------------------------
   REVIEW REVISION v1.1
   One-screen compositions, corporate palette, scroll-led engineering story.
   -------------------------------------------------------------------------- */

@media (min-width: 1081px) {
  .hero-shell {
    padding-top: calc(var(--header-height) + var(--ribbon-height) + 2.5rem);
    padding-bottom: 2.5rem;
  }

  .hero,
  #why-visit,
  #showcase,
  #capabilities,
  #roles,
  .meeting-section {
    min-height: calc(100svh - var(--header-height) - var(--ribbon-height));
  }

  #why-visit,
  #showcase,
  #capabilities,
  #roles {
    display: flex;
    align-items: center;
    padding-block: clamp(2.5rem, 5vh, 4.5rem);
  }
}

.hero-shell.hero-grid {
  width: min(var(--max), calc(100% - (2 * var(--gutter))));
}

.hero-copy {
  padding-top: 1rem;
}

.section-intro {
  column-gap: clamp(3rem, 8vw, 8rem);
  row-gap: .8rem;
}

.hero-visual {
  color: var(--canray);
}

.visual-placeholder-note {
  color: var(--canray-ink);
  background: rgba(255,255,255,.78);
  border-color: rgba(0,111,72,.28);
}

.challenge-card {
  display: grid;
  grid-template-rows: auto 4.6rem 3.6rem 1fr auto;
  min-height: 19.5rem;
}

#why-visit .section-intro {
  margin-bottom: 1.5rem;
}

#why-visit .challenge-card {
  min-height: 18.25rem;
}

.technical-mark {
  margin: 1.35rem 0 0;
}

.challenge-card h3 {
  align-self: end;
  margin: .85rem 0 .6rem;
}

.challenge-card > h3,
.challenge-card > p:not(.card-prompt) {
  min-height: 0;
}

.challenge-card .card-prompt {
  align-self: end;
  margin-top: 1rem !important;
}

.engineering-section {
  padding-block: 0;
}

.engineering-shell {
  width: min(var(--max), calc(100% - (2 * var(--gutter))));
}

.engineering-copy {
  min-height: calc(86svh - var(--header-height) - var(--ribbon-height));
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto auto;
  align-content: center;
  align-items: end;
  column-gap: clamp(3rem, 8vw, 8rem);
  row-gap: 1.4rem;
}

.engineering-copy > .section-kicker {
  grid-column: 1 / -1;
  margin-bottom: .4rem;
}

.engineering-copy > h2 {
  grid-column: 1 / -1;
  grid-row: 2;
  max-width: 100%;
  font-size: clamp(4rem, 5vw, 5.35rem);
  line-height: .92;
}

.engineering-copy > p:not(.section-kicker),
.engineering-copy > .text-link {
  grid-row: 3;
}

.engineering-copy > p:not(.section-kicker) {
  grid-column: 1;
  max-width: 62ch;
}

.engineering-copy > .text-link {
  grid-column: 2;
}

.process-story {
  position: relative;
  height: auto;
  padding-bottom: clamp(5rem, 10vh, 8rem);
}

.process-rail-shell {
  position: relative;
  z-index: 10;
  padding: 3.25rem 0 1.2rem;
}

.process-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(11, minmax(0, 1fr));
}

.process-step:nth-of-type(1) { grid-column: 1; }
.process-step:nth-of-type(2) { grid-column: 3; }
.process-step:nth-of-type(3) { grid-column: 5; }
.process-step:nth-of-type(4) { grid-column: 7; }
.process-step:nth-of-type(5) { grid-column: 9; }
.process-step:nth-of-type(6) { grid-column: 11; }

.process-line {
  top: 1.14rem;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.process-card-stack {
  position: relative;
  padding-top: clamp(1rem, 2.5vh, 1.75rem);
}

.process-stack-card {
  position: relative;
  min-height: clamp(220px, 32vh, 310px);
  margin: 0 0 1rem;
  padding: clamp(1.8rem, 4vw, 3.4rem);
  display: grid;
  grid-template-columns: minmax(135px, .28fr) minmax(0, 1fr);
  grid-template-rows: auto 1fr;
  column-gap: clamp(2rem, 7vw, 7rem);
  color: var(--paper);
  background:
    linear-gradient(135deg, rgba(0,111,72,.22), transparent 42%),
    #0d241c;
  border: 1px solid rgba(82,219,163,.24);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 70px rgba(0,0,0,.22);
}

.process-stack-card:last-child {
  margin-bottom: 0;
}

.process-stack-card.is-active {
  border-color: rgba(82,219,163,.72);
}

.process-card-index {
  grid-row: 1 / -1;
  color: var(--canray-bright);
  font-size: .68rem;
  font-weight: 900;
  letter-spacing: .14em;
}

.process-stack-card h3 {
  max-width: 22ch;
  margin: 0;
  font-size: clamp(2rem, 4vw, 4.25rem);
  line-height: .96;
  letter-spacing: -.045em;
}

.process-stack-card p {
  max-width: 58ch;
  margin: 1.3rem 0 0;
  color: rgba(255,255,255,.7);
}

.process-stack-card.has-media {
  grid-template-columns: minmax(100px, .18fr) minmax(0, 1fr) minmax(240px, .68fr);
  grid-template-rows: auto 1fr;
  column-gap: clamp(1.4rem, 3.2vw, 3.5rem);
  align-items: center;
}

.process-stack-card.has-media .process-card-index {
  grid-column: 1;
  grid-row: 1 / 3;
  align-self: start;
}

.process-stack-card.has-media h3 {
  grid-column: 2;
  grid-row: 1;
  font-size: clamp(2.05rem, 3.15vw, 3.55rem);
}

.process-stack-card.has-media p {
  grid-column: 2;
  grid-row: 2;
  margin-top: .9rem;
}

.process-card-media {
  position: relative;
  grid-column: 3;
  grid-row: 1 / 3;
  min-width: 0;
  width: 100%;
  height: clamp(190px, 25vh, 255px);
  margin: 0;
  overflow: hidden;
  background: #edf3ef;
  border: 1px solid rgba(0,111,72,.2);
  border-radius: 1.15rem;
}

.process-card-media img {
  width: 100%;
  height: 100%;
  display: block;
}

/* The CAD render ships on its own white background, so the figure stays white
   to avoid the grey letterboxing `contain` would otherwise expose. A single
   defined border frames the render; the image inherits the same radius so the
   artwork never squares off the rounded corners. */
.process-card-media--cad {
  background: #fff;
  border-color: rgba(0,111,72,.28);
}

.process-card-media--cad img {
  object-fit: contain;
  background: transparent;
  border-radius: inherit;
}

.process-card-media--photo img {
  object-fit: cover;
  object-position: center 48%;
}

@media (min-width: 901px) {
  .gsap-ready:not(.motion-reduced) .process-story {
    min-height: calc(100svh - var(--header-height) - var(--ribbon-height));
    padding: clamp(1rem, 3vh, 2.5rem) 0;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    align-content: center;
  }

  .gsap-ready:not(.motion-reduced) .process-card-stack {
    height: clamp(300px, 42vh, 410px);
    padding-top: clamp(1rem, 3vh, 2rem);
  }

  .gsap-ready:not(.motion-reduced) .process-stack-card {
    position: absolute;
    inset: clamp(1rem, 3vh, 2rem) 0 auto;
    width: 100%;
    min-height: clamp(260px, 38vh, 360px);
    margin: 0;
    visibility: hidden;
    opacity: 0;
    will-change: transform, opacity;
  }

  .gsap-ready:not(.motion-reduced) .process-stack-card:first-child {
    visibility: visible;
    opacity: 1;
  }
}

#showcase {
  background: linear-gradient(135deg, var(--paper), var(--mist));
  padding-block: 2rem;
}

#showcase .section-heading-row {
  margin-bottom: 1.2rem;
  grid-template-columns: minmax(0,1fr) minmax(280px,.32fr);
  column-gap: clamp(2.5rem, 5vw, 5rem);
  row-gap: .5rem;
}

#showcase .section-heading-row h2 {
  font-size: clamp(2.55rem, 3.55vw, 3.9rem);
}

#showcase .section-side-copy {
  color: #5c6762;
}

.showcase-layout {
  grid-template-columns: minmax(0, 1fr) minmax(360px, .85fr);
  gap: clamp(2.25rem, 5vw, 5rem);
}

.showcase-meta {
  margin: 0 0 .65rem;
  flex-wrap: wrap;
}

.showcase-canvas {
  min-height: 0;
  height: clamp(315px, 40vh, 365px);
  border-radius: var(--radius);
}

.showcase-copy h3 {
  margin-bottom: .85rem;
  font-size: clamp(2.25rem, 3.25vw, 3.55rem);
}

.showcase-lede {
  font-size: .96rem;
  line-height: 1.55;
}

.showcase-list {
  margin-top: 1rem;
  border-color: rgba(0,111,72,.2);
}

.showcase-list li {
  padding: .58rem 0;
  border-color: rgba(0,111,72,.18);
  font-size: .77rem;
}

.evidence-boundary {
  margin-top: .9rem;
  padding: .7rem .8rem;
  color: #42534c;
  background: rgba(0,111,72,.055);
  border-color: rgba(0,111,72,.16);
}

#showcase .evidence-boundary {
  display: none;
}

.showcase-proof-strip {
  margin-top: .75rem;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.showcase-proof-strip span {
  padding: .42rem .6rem;
  color: var(--canray-ink);
  background: var(--paper);
  border: 1px solid rgba(0,111,72,.16);
  border-radius: 999px;
  font-size: .59rem;
  font-weight: 760;
  letter-spacing: .025em;
}

#capabilities .section-intro {
  margin-bottom: 1.25rem;
  grid-template-columns: 1fr;
}

#capabilities .section-intro h2 {
  font-size: clamp(2.8rem, 4vw, 4.4rem);
}

.product-marquee {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  overflow: hidden;
  padding: 1.2rem 0 1rem;
}

.product-track {
  width: max-content;
  display: flex;
  align-items: stretch;
  gap: 1rem;
  padding-inline: 1rem;
  will-change: transform;
}

.product-card {
  position: relative;
  flex: 0 0 clamp(250px, 22vw, 330px);
  min-height: 21rem;
  padding: 1.4rem;
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  color: var(--paper);
  background: var(--ink);
  border: 2px solid rgba(137,139,142,.32);
  border-radius: var(--radius);
  transform-origin: center;
  transition: transform 280ms var(--ease), border-color 280ms ease, box-shadow 280ms ease;
}

.product-card:hover,
.product-card:focus-visible {
  z-index: 3;
  transform: scale(1.055);
  border-color: var(--canray-bright);
  box-shadow: 0 24px 60px rgba(7,19,15,.22);
  outline: none;
}

.product-card h3 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(1.65rem, 2.25vw, 2.45rem);
  line-height: .97;
  letter-spacing: -.04em;
}

.product-card .product-code {
  color: var(--canray-bright);
}

.product-glyph {
  position: relative;
  min-height: 11rem;
  display: block;
  margin: .8rem 0 1.1rem;
  border-bottom: 1px solid rgba(82,219,163,.28);
}

.product-photo {
  position: relative;
  min-height: 11rem;
  display: block;
  margin: .8rem 0 1.1rem;
  overflow: hidden;
  background: #0d241c;
  border: 1px solid rgba(82,219,163,.32);
  border-radius: calc(var(--radius) * .58);
}

.product-photo::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(180deg, transparent 52%, rgba(7,19,15,.28));
}

.product-photo img {
  width: 100%;
  height: 100%;
  min-height: 11rem;
  display: block;
  object-fit: cover;
  transition: transform 500ms var(--ease), filter 300ms ease;
}

.product-photo--contain img {
  object-fit: contain;
  padding: .35rem;
  background: #f7f7f3;
}

.product-card:hover .product-photo img,
.product-card:focus-visible .product-photo img {
  transform: scale(1.07);
  filter: saturate(1.08) contrast(1.03);
}

.product-glyph::before,
.product-glyph::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(82,219,163,.72);
  transition: transform 280ms var(--ease), border-color 280ms ease;
}

.product-card:hover .product-glyph::before,
.product-card:hover .product-glyph::after,
.product-card:focus-visible .product-glyph::before,
.product-card:focus-visible .product-glyph::after {
  border-color: var(--paper);
  transform: translateY(-4px) scale(1.035);
}

.glyph-ceiling::before { inset: 20% 8% 25%; border-radius: 55% 55% 12% 12%; }
.glyph-ceiling::after { left: 20%; right: 20%; bottom: 24%; height: 18%; transform: perspective(250px) rotateX(62deg); }
.glyph-duct::before { width: 48%; height: 58%; top: 14%; left: 8%; border-radius: 50%; }
.glyph-duct::after { width: 48%; height: 58%; right: 8%; bottom: 12%; border-style: dashed; border-radius: 50%; }
.glyph-arch::before { inset: 16% 12% 10%; border-width: 2px; border-bottom: 0; border-radius: 50% 50% 0 0; }
.glyph-arch::after { inset: 29% 23% 10%; border-bottom: 0; border-radius: 50% 50% 0 0; }
.glyph-rack::before { left: 7%; right: 7%; top: 35%; height: 25%; transform: perspective(260px) rotateX(55deg); }
.glyph-rack::after { left: 18%; right: 18%; top: 23%; height: 8%; border-left: 0; border-right: 0; }
.glyph-sidewall::before { inset: 8% 18% 12%; border-radius: 44% 44% 12% 12%; }
.glyph-sidewall::after { width: 24%; height: 42%; left: 38%; bottom: 12%; border-radius: 999px 999px 0 0; }
.glyph-cable::before { width: 70%; height: 48%; left: 14%; top: 18%; border: 0; border-top: 2px solid rgba(82,219,163,.72); border-radius: 50%; transform: rotate(8deg); }
.glyph-cable::after { width: 62%; height: 42%; right: 8%; bottom: 16%; border: 0; border-bottom: 2px dashed rgba(82,219,163,.72); border-radius: 50%; transform: rotate(-9deg); }
.glyph-window::before { inset: 10% 20% 12%; border-width: 3px; border-radius: 28% 28% 20% 20%; }
.glyph-window::after { inset: 21% 29% 23%; border-radius: 22%; }
.glyph-fairing::before { width: 78%; height: 42%; left: 11%; top: 30%; border-radius: 50% 18% 50% 18%; transform: skewX(-12deg); }
.glyph-fairing::after { width: 46%; height: 1px; left: 27%; top: 51%; border-width: 1px 0 0; }
.glyph-stairs::before { width: 72%; height: 65%; left: 14%; top: 15%; border: 0; background: repeating-linear-gradient(165deg, transparent 0 14%, rgba(82,219,163,.8) 15% 16%); }
.glyph-stairs::after { width: 74%; height: 62%; left: 13%; top: 17%; border-width: 0 0 2px 2px; transform: skewY(-22deg); }

.product-controls {
  width: min(var(--max), calc(100% - (2 * var(--gutter))));
  margin: .9rem auto 0;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: .75rem;
  color: #63706a;
  font-size: .68rem;
  font-weight: 760;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.product-controls button {
  width: 2.65rem;
  height: 2.65rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid rgba(0,111,72,.25);
  border-radius: 50%;
  cursor: pointer;
}

.product-controls button:hover,
.product-controls button:focus-visible {
  color: var(--paper);
  background: var(--canray);
  border-color: var(--canray);
}

.product-visual {
  min-height: 7.4rem;
  margin-top: .4rem;
}

.product-copy > span {
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .07em;
}

.roles-header {
  display: block;
}

.roles-header .section-kicker {
  margin-bottom: .75rem;
}

.roles-header h2 {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(2.8rem, 4vw, 4.4rem);
  letter-spacing: -.045em;
  line-height: 1;
}

.role-tabs {
  margin-top: 1.5rem;
}

.role-panels {
  margin-top: 1.5rem;
}

.role-panel {
  min-height: 18.5rem;
  padding: clamp(2rem, 4vw, 3.5rem);
}

.role-panel.is-active {
  grid-template-columns: 4rem minmax(0,1fr);
  gap: 2rem;
}

.role-panel h3 {
  max-width: 23ch;
  font-size: clamp(2.4rem, 4vw, 4rem);
}

.role-panel p:last-child {
  margin-top: 1.1rem;
  font-size: .95rem;
}

.meeting-section {
  display: flex;
  align-items: center;
  padding-block: clamp(4rem, 8vh, 7rem);
}

.contact-section {
  min-height: 64svh;
  display: flex;
  align-items: center;
  padding-block: clamp(3rem, 6vh, 5rem);
}

@media (max-width: 1080px) {
  .primary-nav { display: none; }
  .header-shell { grid-template-columns: 1fr auto; }
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(330px, 0.72fr); gap: 2.5rem; }
  .hero h1 { font-size: clamp(3rem, 6.3vw, 5.5rem); }
  .challenge-grid { grid-template-columns: repeat(2, 1fr); }
  .challenge-card { min-height: 20rem; }
}

@media (max-height: 800px) and (min-width: 821px) {
  .hero-shell {
    padding-top: calc(var(--header-height) + var(--ribbon-height) + 2.2rem);
    padding-bottom: 2.6rem;
  }
  .hero h1 {
    font-size: clamp(3.15rem, 5vw, 4.3rem);
  }
  .hero-lede {
    margin-top: 1.35rem;
  }
  .hero-actions {
    margin-top: 1.45rem;
  }
  .hero-audience {
    margin-top: 1.4rem;
  }
  .hero-visual {
    min-height: 500px;
  }
}

@media (max-width: 820px) {
  :root { --header-height: 66px; --gutter: 1.25rem; }
  .event-mark, .brand-divider { display: none; }
  .hero-shell { align-items: flex-start; }
  .hero-grid,
  .showcase-layout,
  .roles-header,
  .section-intro,
  .compact-intro,
  .section-heading-row,
  .meeting-shell,
  .contact-shell {
    grid-template-columns: 1fr;
  }
  .section-intro > .section-kicker,
  .section-intro > h2,
  .section-intro > p:not(.section-kicker),
  .engineering-copy > .section-kicker,
  .engineering-copy > h2,
  .engineering-copy > p:not(.section-kicker),
  .engineering-copy > .text-link,
  .section-proof > .section-shell > .proof-heading > .section-kicker,
  .section-proof > .section-shell > .proof-heading > h2,
  .section-proof > .section-shell > .proof-heading > p:not(.section-kicker) {
    grid-column: 1;
    grid-row: auto;
  }
  .section-proof > .section-shell > .proof-heading {
    grid-template-columns: 1fr;
  }
  .hero-grid { gap: 2rem; }
  .hero h1 { max-width: 11ch; font-size: clamp(3rem, 13vw, 5.5rem); }
  .hero-visual { min-height: 520px; }
  .interior-model { width: min(88%, 470px); }
  .callout-one { left: 0; }
  .callout-two { right: 0; }
  .callout-three { left: 0; }
  .scroll-cue { display: none; }
  .engineering-copy { min-height: auto; padding-block: 5rem; grid-template-columns: 1fr; }
  .process-story { height: auto; padding-bottom: 4rem; }
  .process-rail-shell {
    position: relative;
    top: auto;
    margin-inline: calc(-1 * var(--gutter));
    padding: 1rem var(--gutter) 1.4rem;
    overflow: hidden;
  }
  .process-track { overflow-x: auto; grid-template-columns: repeat(6, minmax(130px, 1fr)); padding: 1rem 0 1.5rem; scrollbar-width: none; }
  .process-track .process-step { grid-column: auto; }
  .process-track::-webkit-scrollbar { display: none; }
  .process-track .process-line { right: auto; width: 720px; top: 2.14rem; }
  .process-train { width: 3.8rem; height: 1.35rem; translate: -50% -108%; }
  .process-card-stack { padding-top: 1rem; }
  .process-stack-card {
    position: relative;
    top: auto;
    min-height: 0;
    margin: 0 0 1rem;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 1.4rem;
  }
  .process-card-index { grid-row: auto; }
  .process-stack-card.has-media {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .process-stack-card.has-media .process-card-index,
  .process-stack-card.has-media h3,
  .process-stack-card.has-media p,
  .process-card-media {
    grid-column: 1;
    grid-row: auto;
  }
  .process-card-media {
    height: min(58vw, 260px);
  }
  .product-card { flex-basis: min(78vw, 310px); min-height: 20rem; }
  .showcase-canvas { min-height: 0; height: 430px; }
  .meeting-shell { align-items: start; }
  .meeting-shell > div:last-child { justify-self: start; }
}

@media (max-width: 620px) {
  .brand-wordmark { font-size: 0.9rem; }
  .brand-logo { height: 1.7rem; }
  .button-header { min-height: 2.35rem; padding: 0.65rem 0.78rem; }
  .button-header .button-icon { display: none; }
  .hero-shell { padding-top: calc(var(--header-height) + var(--ribbon-height) + 3rem); }
  .hero h1 { font-size: clamp(2.85rem, 14.5vw, 4.7rem); }
  .hero-lede { font-size: 1rem; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-actions .text-link { align-self: flex-start; }
  .hero-audience { max-width: 19rem; }
  .hero-visual { min-height: 430px; }
  .interior-model { width: 100%; }
  .visual-callout { max-width: 10rem; font-size: 0.61rem; }
  .visual-status { right: 0; }
  .challenge-grid { grid-template-columns: 1fr; }
  .challenge-card { min-height: 18rem; }
  .section-intro h2,
  .section-heading-row h2,
  .showcase-copy h2,
  .engineering-copy h2,
  .meeting-section h2,
  .contact-section h2 { font-size: clamp(2.25rem, 11vw, 3.8rem); }
  .showcase-canvas { min-height: 0; height: 420px; }
  .product-card { min-height: 20rem; }
  .role-tabs { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 0.75rem; }
  .role-tabs button { flex: 0 0 auto; }
  .role-panel { min-height: 26rem; }
  .role-panel.is-active { grid-template-columns: 1fr; }
  .role-panel h3 { font-size: clamp(2.2rem, 11vw, 4rem); }
  .proof-toggle { grid-template-columns: 1fr auto; }
  .proof-id { grid-column: 1 / -1; }
  .proof-title { grid-column: 1; }
  .proof-plus { grid-column: 2; }
  .proof-detail { grid-template-columns: 1fr; }
  .proof-heading,
  .proof-detail p { grid-column: 1; }
  .proof-heading { margin-top: 0.75rem; }
  .meeting-shell .button { width: 100%; }
  .booking-note { text-align: left; }
  .footer-shell { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .product-marquee { overflow-x: auto; scrollbar-width: thin; }
  .product-track { transform: none !important; }
  .process-train,
  .process-line-fill { transition: none !important; }
  .reveal-ready [data-reveal] { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   IMPLEMENTATION PLAN V2
   Lighter engineering journey, bounded proof, unified product cards and a
   split conversion close. These overrides intentionally preserve v1 as the
   untouched comparison baseline in ../staging.
   -------------------------------------------------------------------------- */

.hero-visual {
  min-height: min(660px, 70vh);
  background: #e9efec;
  border-color: rgba(0, 111, 72, .2);
  box-shadow: 0 34px 90px rgba(7, 19, 15, .16);
}

.hero-media img {
  object-position: 58% center;
  filter: saturate(.9) contrast(1.04);
}

.hero-media-wash {
  background:
    linear-gradient(90deg, rgba(7,19,15,.16), transparent 48%),
    linear-gradient(180deg, rgba(255,255,255,.02), rgba(0,111,72,.1));
}

#why-visit .section-intro {
  grid-template-columns: 1fr;
  align-items: start;
  gap: .85rem;
  max-width: 74rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

#why-visit .section-intro > .section-kicker,
#why-visit .section-intro > h2,
#why-visit .section-intro > p:not(.section-kicker) {
  grid-column: 1;
}

#why-visit .section-intro h2 {
  max-width: 14ch;
}

#why-visit .challenge-bridge {
  max-width: 74ch;
  color: #46554f;
  font-size: clamp(1rem, 1.2vw, 1.16rem);
  line-height: 1.65;
}

.engineering-section-light {
  color: var(--ink);
  background:
    radial-gradient(circle at 88% 12%, rgba(0, 168, 107, .11), transparent 27%),
    linear-gradient(135deg, #f7faf8 0%, #eaf4ef 100%);
}

.engineering-section-light::before {
  opacity: .34;
  background-image: linear-gradient(90deg, rgba(0,111,72,.08) 1px, transparent 1px);
}

.engineering-section-light .engineering-copy > p:not(.section-kicker) {
  color: #4d5c56;
}

.engineering-section-light .process-line {
  background: rgba(0, 111, 72, .18);
}

.engineering-section-light .process-line-fill {
  background: var(--canray);
  box-shadow: 0 0 14px rgba(0, 111, 72, .22);
}

.engineering-section-light .process-step {
  color: rgba(7, 19, 15, .45);
}

.engineering-section-light .step-dot {
  color: #66736d;
  background: #f8fbf9;
  border-color: rgba(0, 111, 72, .22);
  box-shadow: 0 8px 24px rgba(7, 19, 15, .05);
}

.engineering-section-light .process-step.is-active,
.engineering-section-light .process-step.is-current,
.engineering-section-light .process-step.is-completed,
.engineering-section-light .process-step:hover {
  color: var(--ink);
}

.engineering-section-light .process-step.is-active .step-dot,
.engineering-section-light .process-step.is-current .step-dot {
  color: var(--paper);
  background: var(--canray);
  border-color: var(--canray);
  box-shadow: 0 0 0 8px rgba(0,111,72,.08), 0 16px 34px rgba(0,111,72,.18);
}

.engineering-section-light .process-step.is-completed .step-dot {
  color: var(--canray);
  background: #dff1e9;
  border-color: rgba(0,111,72,.52);
}

.engineering-section-light .process-step.is-next {
  color: rgba(7,19,15,.72);
}

.engineering-section-light .process-step.is-next .step-dot {
  color: var(--canray);
  background: #f8fbf9;
  border-color: rgba(0,111,72,.48);
  box-shadow: 0 0 0 5px rgba(0,111,72,.05);
}

.engineering-section-light .process-step.is-upcoming { color: rgba(7,19,15,.38); }
.engineering-section-light .process-step.is-inactive { color: rgba(7,19,15,.22); }

.engineering-section-light .train-shell {
  color: var(--paper);
  background: linear-gradient(180deg, var(--canray) 0 62%, #8ed7b7 62% 100%);
  border-color: rgba(0,111,72,.88);
  box-shadow: 0 8px 22px rgba(0,111,72,.22), 0 0 0 4px rgba(0,111,72,.06);
}

.engineering-section-light .train-window,
.engineering-section-light .train-door {
  background: #eafff5;
}

.engineering-section-light .train-shell::before,
.engineering-section-light .train-shell::after {
  background: var(--paper);
  border-color: var(--canray);
}

.engineering-section-light .process-stack-card {
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(0,111,72,.07), transparent 44%),
    rgba(255,255,255,.92);
  border-color: rgba(0,111,72,.24);
  box-shadow: 0 24px 64px rgba(7,19,15,.1);
}

.engineering-section-light .process-stack-card.is-active {
  border-color: rgba(0,111,72,.72);
}

.engineering-section-light .process-card-index {
  color: var(--canray);
}

.engineering-section-light .process-stack-card p {
  color: #4d5c56;
  font-size: clamp(1rem, 1.25vw, 1.18rem);
  line-height: 1.55;
}

#showcase {
  background: linear-gradient(135deg, #fff 0%, #f2f6f3 100%);
}

#showcase .section-heading-row {
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

#showcase .section-heading-row h2 {
  max-width: 15ch;
}

#showcase .showcase-layout {
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .82fr);
  align-items: stretch;
  gap: clamp(2rem, 5vw, 5rem);
}

#showcase .showcase-canvas {
  height: 100%;
  min-height: 430px;
  border-radius: var(--radius-lg);
}

#showcase .showcase-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

#showcase .showcase-lede {
  max-width: 52ch;
  color: #45534d;
}

.proof-points {
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
  border-top: 1px solid rgba(0,111,72,.2);
}

.proof-points article {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: .25rem .85rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(0,111,72,.16);
}

.proof-points article > span {
  grid-row: 1 / 3;
  color: var(--canray);
  font-size: .68rem;
  font-weight: 900;
  letter-spacing: .1em;
}

.proof-points strong {
  color: var(--ink);
  font-size: 1rem;
}

.proof-points p {
  margin: 0;
  color: #5c6762;
  font-size: .82rem;
  line-height: 1.5;
}

.products-section {
  overflow: hidden;
  color: var(--paper);
  background:
    radial-gradient(circle at 84% 10%, rgba(255,255,255,.13), transparent 24%),
    var(--canray);
}

.products-section .section-kicker {
  color: #bce8d4;
}

.products-section .section-intro h2 {
  color: var(--paper);
}

.products-section .product-card {
  color: var(--ink);
  background: #f7f5ef;
  border-color: rgba(255,255,255,.48);
  box-shadow: 0 18px 44px rgba(0,50,32,.16);
}

.products-section .product-card:hover,
.products-section .product-card:focus-visible {
  border-color: #083c2e;
  box-shadow: 0 28px 65px rgba(0,38,24,.24);
}

.products-section .product-card .product-code {
  color: var(--canray);
}

.products-section .product-photo {
  background: #e7ede9;
  border-color: rgba(0,111,72,.22);
}

.products-section .product-photo::after {
  background: linear-gradient(180deg, transparent 62%, rgba(7,19,15,.12));
}

.products-section .product-glyph {
  color: var(--canray);
  border-color: rgba(0,111,72,.22);
}

.products-section .product-glyph::before,
.products-section .product-glyph::after {
  border-color: rgba(0,111,72,.72);
}

.products-section .glyph-cable::before { border-top-color: rgba(0,111,72,.72); }
.products-section .glyph-cable::after { border-bottom-color: rgba(0,111,72,.72); }
.products-section .glyph-stairs::before { background: repeating-linear-gradient(165deg, transparent 0 14%, rgba(0,111,72,.8) 15% 16%); }

.products-section .product-controls {
  color: rgba(255,255,255,.78);
}

.products-section .product-controls button {
  color: var(--canray);
  background: #f7f5ef;
  border-color: rgba(255,255,255,.48);
}

.products-section .product-controls button:hover,
.products-section .product-controls button:focus-visible {
  color: var(--paper);
  background: #083c2e;
  border-color: #083c2e;
}

.conversion-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: min(760px, 82svh);
}

.conversion-panel {
  min-width: 0;
  padding: clamp(4rem, 7vw, 8rem) max(var(--gutter), calc((100vw - var(--max)) / 2));
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.conversion-panel h2 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2.7rem, 4.7vw, 5.6rem);
  font-weight: 850;
  letter-spacing: -.052em;
  line-height: .96;
  text-wrap: balance;
}

.conversion-panel > p:not(.section-kicker) {
  max-width: 42rem;
  margin: 1.6rem 0 0;
  font-size: 1.02rem;
  line-height: 1.65;
}

.conversion-panel .button {
  align-self: flex-start;
  margin-top: 2rem;
}

.conversion-panel-primary {
  color: var(--paper);
  background:
    radial-gradient(circle at 80% 25%, rgba(255,255,255,.14), transparent 25%),
    var(--canray);
}

.conversion-panel-primary .section-kicker-light { color: #c5ecda; }
.conversion-panel-primary h2 span { color: rgba(255,255,255,.58); }
.conversion-panel-primary > p:not(.section-kicker) { color: rgba(255,255,255,.74); }

.conversion-panel-contact {
  color: var(--ink);
  background: #f7f5ef;
}

.conversion-panel-contact > p:not(.section-kicker) {
  color: #52605a;
}

.contact-identity {
  margin-top: 2rem;
  padding-top: 1.4rem;
  display: flex;
  flex-direction: column;
  border-top: 1px solid rgba(0,111,72,.2);
}

.button-outline-dark {
  color: var(--ink);
  background: transparent;
  border: 1px solid rgba(7,19,15,.55);
}

.button-outline-dark:hover,
.button-outline-dark:focus-visible {
  color: var(--paper);
  background: var(--canray);
  border-color: var(--canray);
}

@media (min-width: 1081px) {
  .conversion-split { min-height: calc(100svh - var(--header-height) - var(--ribbon-height)); }
}

@media (max-width: 900px) {
  .product-marquee {
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: thin;
  }

  .product-track { transform: none !important; }

  .conversion-split {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .conversion-panel {
    min-height: 68svh;
    padding: clamp(4rem, 12vw, 6rem) var(--gutter);
  }
}

@media (max-width: 620px) {
  .hero-media img { object-position: 60% center; }
  .engineering-section-light .process-stack-card { padding: 1.5rem; }
  .conversion-panel h2 { font-size: clamp(2.6rem, 12vw, 4.2rem); }
  .conversion-panel .button { width: 100%; }
}

/* Final conversion-screen fit
   The split panels use asymmetric outer gutters: the page edge respects the
   main layout while the shared centre seam stays compact. This prevents both
   headlines from collapsing into one-word lines at 100% browser zoom. */

@media (min-width: 901px) {
  .conversion-split {
    min-height: calc(100svh - var(--header-height) - var(--ribbon-height));
  }

  .conversion-panel {
    padding-top: clamp(2.25rem, 4.5vh, 4rem);
    padding-bottom: clamp(2.25rem, 4.5vh, 4rem);
  }

  .conversion-panel-primary {
    padding-left: max(var(--gutter), calc((100vw - 1500px) / 2));
    padding-right: clamp(2.25rem, 4.5vw, 5rem);
  }

  .conversion-panel-contact {
    padding-left: clamp(2.25rem, 4.5vw, 5rem);
    padding-right: max(var(--gutter), calc((100vw - 1500px) / 2));
  }

  .conversion-panel h2 {
    max-width: 11.5ch;
    font-size: clamp(3rem, min(4.25vw, 6.6vh), 5.15rem);
    line-height: .94;
  }

  .conversion-panel > p:not(.section-kicker) {
    max-width: 36rem;
    margin-top: clamp(1rem, 2vh, 1.35rem);
    line-height: 1.55;
  }

  .conversion-panel .button {
    margin-top: clamp(1.25rem, 2.4vh, 1.8rem);
  }

  .contact-identity {
    margin-top: clamp(1.25rem, 2.5vh, 1.8rem);
    padding-top: clamp(1rem, 2vh, 1.3rem);
  }
}

@media (min-width: 901px) and (max-height: 820px) {
  .conversion-panel {
    padding-top: 1.75rem;
    padding-bottom: 1.75rem;
  }

  .conversion-panel h2 {
    font-size: clamp(2.7rem, min(4vw, 6vh), 4.5rem);
  }

  .conversion-panel > p:not(.section-kicker) {
    font-size: .94rem;
  }
}

/* --------------------------------------------------------------------------
   REFERENCE-FIRST VISUAL FLOW v1
   Editorial buyer-question index derived from the approved research brief.
   It deliberately avoids a generic equal-card feature grid.
   -------------------------------------------------------------------------- */

.conversation-section {
  overflow: hidden;
  background:
    linear-gradient(90deg, transparent 0 41%, rgba(0,111,72,.055) 41% 41.08%, transparent 41.08%),
    #f7f8f6;
}

.conversation-section::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: .46;
  background-image:
    linear-gradient(rgba(0,111,72,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,111,72,.035) 1px, transparent 1px);
  background-size: 100% 7.5rem, 12.5% 100%;
  mask-image: linear-gradient(90deg, #000, transparent 58%);
}

.conversation-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(35rem, 1.22fr);
  gap: clamp(3.5rem, 7vw, 8rem);
  align-items: start;
}

.conversation-intro {
  position: sticky;
  top: calc(var(--header-height) + var(--ribbon-height) + 2.75rem);
  padding-top: .25rem;
}

.conversation-intro h2 {
  max-width: 10.5ch;
  margin: clamp(1.15rem, 2vw, 1.75rem) 0 0;
  font-size: clamp(3rem, 4.65vw, 5.5rem);
  font-weight: 850;
  letter-spacing: -.056em;
  line-height: .94;
  text-wrap: balance;
}

.conversation-intro .challenge-bridge {
  max-width: 37rem;
  margin: clamp(1.5rem, 3vw, 2.4rem) 0 0;
  color: #46554f;
  font-size: clamp(1rem, 1.15vw, 1.14rem);
  line-height: 1.65;
}

.conversation-route {
  display: grid;
  grid-template-columns: auto minmax(1.5rem, 1fr) auto minmax(1.5rem, 1fr) auto;
  align-items: center;
  gap: .75rem;
  max-width: 34rem;
  margin-top: clamp(2rem, 4vw, 3.5rem);
  color: #52605a;
  font-size: .67rem;
  font-weight: 820;
  letter-spacing: .085em;
  text-transform: uppercase;
}

.conversation-route span {
  display: inline-flex;
  align-items: center;
  gap: .42rem;
  white-space: nowrap;
}

.conversation-route b { color: var(--canray); }

.conversation-route i {
  height: 1px;
  background: linear-gradient(90deg, rgba(0,111,72,.55), rgba(0,111,72,.13));
}

.challenge-index {
  border-top: 1px solid rgba(7,19,15,.72);
}

.challenge-row {
  position: relative;
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr) auto;
  gap: clamp(1rem, 2vw, 1.75rem);
  align-items: center;
  min-height: clamp(9.25rem, 12vw, 11.25rem);
  padding: clamp(1.5rem, 2.5vw, 2.1rem) clamp(.25rem, 1vw, .8rem);
  border-bottom: 1px solid rgba(7,19,15,.19);
  transition: border-color 220ms ease, background 220ms ease;
}

/* Hover indent is applied to the row's contents via transform so the grid
   track widths never change. Animating padding-left would reflow the copy
   column and re-run text-wrap: balance, causing the heading to re-break. */
.challenge-row > * {
  transition: transform 260ms var(--ease);
}

.challenge-row::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  content: "";
  background: var(--canray);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 260ms var(--ease);
}

.challenge-row:hover,
.challenge-row:focus-within {
  border-bottom-color: rgba(0,111,72,.48);
  background: rgba(255,255,255,.58);
}

.challenge-row:hover > *,
.challenge-row:focus-within > * {
  transform: translateX(clamp(.65rem, 1.05vw, 1.1rem));
}

.challenge-row:hover::before,
.challenge-row:focus-within::before { transform: scaleY(1); }

.challenge-row .card-number {
  align-self: start;
  padding-top: .35rem;
}

.challenge-row-copy h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.45rem, 2vw, 2.25rem);
  font-weight: 820;
  letter-spacing: -.035em;
  line-height: 1.02;
  text-wrap: balance;
  /* Reserve the balanced width up front so hover/state changes cannot
     produce a different set of line breaks. */
  width: 23ch;
  max-width: 100%;
}

.challenge-row-copy p {
  max-width: 47ch;
  margin: .72rem 0 0;
  color: #5c6762;
  font-size: .92rem;
  line-height: 1.55;
}

.challenge-row .card-prompt {
  width: min-content;
  min-width: 9.6rem;
  margin: 0 !important;
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--ink) !important;
  font-size: .7rem;
  font-weight: 850;
  letter-spacing: .075em;
  line-height: 1.25;
  text-decoration: none;
  text-transform: uppercase;
}

.challenge-row .card-prompt span {
  color: var(--canray);
  font-size: 1rem;
  transition: transform 220ms var(--ease);
}

.challenge-row .card-prompt:hover span,
.challenge-row .card-prompt:focus-visible span { transform: translateX(.35rem); }

@media (max-width: 1180px) {
  .conversation-layout {
    grid-template-columns: minmax(0, .72fr) minmax(31rem, 1.28fr);
    gap: clamp(2.5rem, 5vw, 4.5rem);
  }

  .challenge-row {
    grid-template-columns: 2rem minmax(0, 1fr);
  }

  .challenge-row .card-prompt {
    grid-column: 2;
    width: auto;
    min-width: 0;
    justify-content: flex-start;
    margin-top: -.25rem !important;
  }
}

@media (max-width: 900px) {
  .conversation-section {
    background: #f7f8f6;
  }

  .conversation-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .conversation-intro {
    position: relative;
    top: auto;
  }

  .conversation-intro h2 { max-width: 12ch; }
  .conversation-route { max-width: 31rem; }

  #showcase .showcase-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 2.5rem;
  }

  #showcase .showcase-copy,
  #showcase .showcase-canvas { min-width: 0; }
}

@media (max-width: 620px) {
  .conversation-section::before { display: none; }

  .conversation-intro h2 {
    font-size: clamp(2.75rem, 14vw, 4.25rem);
  }

  .conversation-route {
    grid-template-columns: 1fr;
    gap: .55rem;
    border-left: 1px solid rgba(0,111,72,.3);
    padding-left: 1rem;
  }

  .conversation-route i { display: none; }

  .challenge-row {
    grid-template-columns: 1.8rem minmax(0, 1fr);
    min-height: 0;
    padding-block: 1.5rem;
  }

  .challenge-row-copy h3 { font-size: clamp(1.5rem, 7vw, 2rem); }
}

@media (prefers-reduced-motion: reduce) {
  .challenge-row,
  .challenge-row::before,
  .challenge-row .card-prompt span { transition: none; }
}