/* 1. Root variables */
:root {
  --color-primary: #20201d;
  --color-secondary: #978b6d;
  --color-accent: #f5f1e8;
  --color-paper: #fbfaf6;
  --color-text: #2e302b;
  --color-muted: #686a60;
  --color-border: #d9d0bd;
  --color-white: #FFFFFF;
  --color-safety-yellow: #FFD100;
  --shadow-soft: 0 22px 55px rgba(32, 32, 29, 0.08);
  --radius: 4px;
  --container: 1180px;
  --motion-ease: cubic-bezier(0.645, 0.045, 0.355, 1);
  --motion-duration: 0.4s;
}

/* 2. Reset and base styles */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html.lenis,
html.lenis.lenis-smooth {
  scroll-behavior: auto;
}

html.lenis.lenis-stopped {
  overflow: hidden;
}

@view-transition {
  navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.5s;
  animation-timing-function: var(--motion-ease);
}

body {
  margin: 0;
  padding-top: 104px;
  background: var(--color-accent);
  color: var(--color-text);
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
}

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

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

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

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

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 16px;
}

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

/* 3. Typography */
h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--color-primary);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: 0;
}

h1 {
  max-width: 860px;
  font-size: 5.65rem;
  margin-bottom: 28px;
}

h2 {
  max-width: 790px;
  font-size: 3.35rem;
  margin-bottom: 20px;
}

h3 {
  font-size: 1.45rem;
  margin-bottom: 12px;
}

p {
  color: var(--color-muted);
  margin-bottom: 0;
}

.eyebrow {
  color: var(--color-secondary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 16px;
  text-transform: uppercase;
}

/* 4. Layout utilities */
.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.narrow {
  max-width: 820px;
}

.section {
  padding: 104px 0;
}

.section-muted,
.page-hero {
  background: var(--color-accent);
}

.section-intro,
.section:not(.section-muted):not(.cta-section) {
  background: var(--color-paper);
}

.section-header {
  max-width: 760px;
  margin-bottom: 42px;
}

.company-overview-header {
  max-width: 620px;
}

.company-overview-logo {
  width: clamp(96px, 10vw, 138px);
  height: auto;
  margin: 0 auto 40px;
  transform-origin: center;
  transition: transform var(--motion-duration) var(--motion-ease);
}

.company-overview-logo:hover,
.company-overview-header:hover .company-overview-logo {
  transform: rotate(45deg);
}

.js-reveal {
  opacity: 0;
  transform: translate3d(0, 34px, 0);
  transition:
    opacity 0.75s var(--motion-ease),
    transform 0.75s var(--motion-ease);
  will-change: opacity, transform;
}

.js-reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  will-change: auto;
}

.split-layout,
.contact-layout,
.cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.78fr);
  gap: 48px;
  align-items: start;
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 118px 0 94px;
}

.page-hero::after {
  position: absolute;
  right: 7%;
  bottom: 0;
  width: min(520px, 42%);
  height: 10px;
  background: var(--color-secondary);
  content: "";
}

.about-hero {
  isolation: isolate;
  min-height: 540px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(18, 18, 16, 0.86) 0%, rgba(18, 18, 16, 0.68) 48%, rgba(18, 18, 16, 0.3) 100%),
    linear-gradient(0deg, rgba(18, 18, 16, 0.26), rgba(18, 18, 16, 0.18)),
    url("../img/DGWebImage-Discuss.png") center / cover no-repeat;
}

.about-hero .container {
  position: relative;
  z-index: 1;
}

.about-hero h1,
.about-hero .eyebrow {
  color: var(--color-white);
}

.about-hero p:not(.eyebrow) {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.86);
}

.about-hero::after {
  z-index: 1;
}

.solution-hero {
  isolation: isolate;
  min-height: 620px;
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at 78% 24%, rgba(0, 255, 185, 0.18), transparent 28%),
    linear-gradient(120deg, #10120f 0%, #20201d 54%, #353226 100%);
}

.solution-hero::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(16, 18, 15, 0.92) 0%, rgba(16, 18, 15, 0.72) 46%, rgba(16, 18, 15, 0.2) 100%),
    linear-gradient(0deg, rgba(16, 18, 15, 0.42), rgba(16, 18, 15, 0));
  content: "";
}

.solution-hero::after {
  z-index: 3;
}

.solution-hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

.solution-hero-copy {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  animation: contentRise 760ms ease both;
}

.solution-hero h1,
.solution-hero .eyebrow {
  color: var(--color-white);
}

.solution-hero h1 {
  max-width: 840px;
}

.scramble-text {
  display: inline-block;
  min-width: 9.8em;
  font-variant-ligatures: none;
  white-space: nowrap;
}

.solution-hero p:not(.eyebrow) {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.84);
}

.solution-hero-signals {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.solution-hero-signals span {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.product-hero {
  position: relative;
  isolation: isolate;
  background: var(--color-primary);
}

.product-velocity-hero {
  --plane-x-1: -520px;
  --plane-y-1: -180px;
  --plane-z-1: -360px;
  --plane-brightness-1: 0.64;
  --plane-opacity-1: 0.68;
  --plane-x-2: -260px;
  --plane-y-2: -90px;
  --plane-z-2: -80px;
  --plane-brightness-2: 0.82;
  --plane-opacity-2: 0.82;
  --plane-x-3: 0px;
  --plane-y-3: 0px;
  --plane-z-3: 220px;
  --plane-brightness-3: 1.08;
  --plane-opacity-3: 1;
  --plane-x-4: 260px;
  --plane-y-4: 90px;
  --plane-z-4: -80px;
  --plane-brightness-4: 0.82;
  --plane-opacity-4: 0.82;
  --plane-x-5: 520px;
  --plane-y-5: 180px;
  --plane-z-5: -360px;
  --plane-brightness-5: 0.64;
  --plane-opacity-5: 0.68;
  position: relative;
  min-height: calc(100vh - 104px);
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  background: var(--color-primary);
  perspective: 1200px;
}

.product-velocity-hero::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(18, 18, 16, 0.88) 0%, rgba(18, 18, 16, 0.7) 42%, rgba(18, 18, 16, 0.28) 100%),
    linear-gradient(0deg, rgba(18, 18, 16, 0.34), rgba(18, 18, 16, 0.08));
  content: "";
}

.product-velocity-stage {
  position: absolute;
  inset: -6% -8% -4% 36%;
  z-index: -2;
  transform-style: preserve-3d;
  pointer-events: none;
}

.velocity-plane {
  position: absolute;
  width: clamp(180px, 20vw, 330px);
  aspect-ratio: 4 / 5;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 34px 80px rgba(0, 0, 0, 0.34);
  transform-style: preserve-3d;
  transition: filter 0.2s var(--motion-ease), opacity 0.2s var(--motion-ease);
  will-change: transform, filter, opacity;
}

.velocity-plane img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.95) contrast(1.04);
}

.velocity-plane-1 {
  left: 30%;
  top: 20%;
  opacity: var(--plane-opacity-1);
  filter: brightness(var(--plane-brightness-1));
  transform:
    translate3d(var(--plane-x-1), var(--plane-y-1), var(--plane-z-1))
    rotateY(-50deg);
}

.velocity-plane-2 {
  left: 30%;
  top: 20%;
  width: clamp(190px, 22vw, 360px);
  opacity: var(--plane-opacity-2);
  filter: brightness(var(--plane-brightness-2));
  transform:
    translate3d(var(--plane-x-2), var(--plane-y-2), var(--plane-z-2))
    rotateY(-50deg);
}

.velocity-plane-3 {
  left: 30%;
  top: 20%;
  opacity: var(--plane-opacity-3);
  filter: brightness(var(--plane-brightness-3));
  transform:
    translate3d(var(--plane-x-3), var(--plane-y-3), var(--plane-z-3))
    rotateY(-50deg);
}

.velocity-plane-4 {
  left: 30%;
  top: 20%;
  width: clamp(210px, 24vw, 390px);
  aspect-ratio: 5 / 4;
  opacity: var(--plane-opacity-4);
  filter: brightness(var(--plane-brightness-4));
  transform:
    translate3d(var(--plane-x-4), var(--plane-y-4), var(--plane-z-4))
    rotateY(-50deg);
}

.velocity-plane-5 {
  left: 30%;
  top: 20%;
  width: clamp(210px, 24vw, 390px);
  aspect-ratio: 5 / 4;
  opacity: var(--plane-opacity-5);
  filter: brightness(var(--plane-brightness-5));
  transform:
    translate3d(var(--plane-x-5), var(--plane-y-5), var(--plane-z-5))
    rotateY(-50deg);
}

.product-hero-copy {
  position: relative;
  z-index: 1;
  padding: 118px 0 94px;
}

.product-hero h1,
.product-hero .eyebrow {
  color: var(--color-white);
}

.product-hero h1 {
  max-width: 720px;
}

.product-hero p:not(.eyebrow) {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.86);
}

/* 5. Header and navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  background: rgba(245, 241, 232, 0.92);
  border-bottom: 0;
  backdrop-filter: blur(14px);
  transform: translateY(-100%);
  animation: navDrop 650ms var(--motion-ease) forwards;
  transition:
    transform var(--motion-duration) var(--motion-ease),
    background var(--motion-duration) var(--motion-ease),
    box-shadow var(--motion-duration) var(--motion-ease),
    min-height var(--motion-duration) var(--motion-ease);
  will-change: transform;
}

.site-header.is-scrolled {
  background: rgba(251, 250, 246, 0.97);
  box-shadow: 0 14px 34px rgba(32, 32, 29, 0.07);
}

.scroll-down .site-header.sticky-header:not(.is-nav-open) {
  transform: translateY(-100%);
}

.scroll-up .site-header.sticky-header,
.site-header.sticky-header.is-nav-open,
.site-header.sticky-header:hover,
.site-header.sticky-header:focus-within {
  transform: translateY(0);
}

.header-inner {
  display: grid;
  min-height: 104px;
  grid-template-columns: minmax(170px, 1fr) auto;
  align-items: center;
  gap: 28px;
}

.brand {
  position: relative;
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 14px;
  color: var(--color-primary);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.7rem;
  font-weight: 400;
  line-height: 1;
  transition: color var(--motion-duration) var(--motion-ease);
}

.brand::before {
  width: 42px;
  height: 42px;
  background: url("../img/DutaGate-DLogo.png") center / contain no-repeat;
  content: "";
  transition: transform var(--motion-duration) var(--motion-ease);
}

.brand:hover {
  color: var(--color-secondary);
}

.brand:hover::before {
  transform: rotate(45deg);
}

.site-nav {
  position: static;
  display: block;
  grid-column: 1 / -1;
  height: 0;
  overflow: hidden;
  border-top: 0 solid transparent;
  transition:
    height 0.6s var(--motion-ease),
    border-color var(--motion-duration) var(--motion-ease);
}

.site-nav.active,
.site-nav.is-open {
  height: 128px;
  border-top: 1px solid var(--color-border);
}

.site-nav a {
  position: relative;
  display: inline-block;
  margin: 38px clamp(22px, 4vw, 58px) 38px 0;
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1;
  opacity: 0;
  text-transform: uppercase;
  transform: translateY(40px);
  transition:
    color var(--motion-duration) var(--motion-ease),
    opacity var(--motion-duration) var(--motion-ease),
    transform var(--motion-duration) var(--motion-ease);
}

.site-nav.active a,
.site-nav.is-open a {
  opacity: 1;
  transform: translateY(0);
}

.site-nav.active a:nth-child(1),
.site-nav.is-open a:nth-child(1) {
  transition-delay: 0.1s;
}

.site-nav.active a:nth-child(2),
.site-nav.is-open a:nth-child(2) {
  transition-delay: 0.2s;
}

.site-nav.active a:nth-child(3),
.site-nav.is-open a:nth-child(3) {
  transition-delay: 0.3s;
}

.site-nav.active a:nth-child(4),
.site-nav.is-open a:nth-child(4) {
  transition-delay: 0.4s;
}

.site-nav.active a:nth-child(5),
.site-nav.is-open a:nth-child(5) {
  transition-delay: 0.5s;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 1px;
  background: var(--color-secondary);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--motion-duration) var(--motion-ease);
}

.site-nav a[href="contact.html"] {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  margin-right: 0;
  padding: 0 22px;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.site-nav a[href="contact.html"]::after {
  display: none;
}

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

.site-nav a[aria-current="page"] {
  color: var(--color-secondary);
}

.site-nav a[href="contact.html"]:hover,
.site-nav a[href="contact.html"][aria-current="page"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-accent);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-toggle {
  display: inline-flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-primary);
  background: transparent;
  border-radius: 0;
  cursor: pointer;
  transition:
    border-color var(--motion-duration) var(--motion-ease),
    background var(--motion-duration) var(--motion-ease);
}

.nav-toggle:hover {
  border-color: var(--color-secondary);
  background: var(--color-accent);
}

.nav-toggle-line,
.nav-toggle-line::before,
.nav-toggle-line::after {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-primary);
  content: "";
  transition:
    transform var(--motion-duration) var(--motion-ease),
    opacity var(--motion-duration) var(--motion-ease),
    background var(--motion-duration) var(--motion-ease);
}

.nav-toggle-line::before {
  transform: translateY(-6px);
}

.nav-toggle-line::after {
  transform: translateY(4px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line::before {
  transform: translateY(0) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line::after {
  transform: translateY(-2px) rotate(-45deg);
}

/* 6. Buttons */
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

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

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-primary);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
}

.btn-secondary:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

/* 7. Hero */
.hero {
  min-height: calc(100vh - 104px);
  padding: 104px 0;
  background: var(--color-primary);
}

.hero-operations {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-operations::before {
  position: absolute;
  inset: 0;
  background-image: url("../img/DutaGate-Hero.png");
  background-position: center;
  background-size: cover;
  content: "";
  transform: scale(1.02);
}

.hero-operations::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(18, 18, 16, 0.84) 0%, rgba(18, 18, 16, 0.64) 45%, rgba(18, 18, 16, 0.24) 100%),
    linear-gradient(0deg, rgba(18, 18, 16, 0.3), rgba(18, 18, 16, 0.08));
  content: "";
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 780px);
  gap: 0;
  align-items: center;
}

.hero-copy,
.operations-board {
  animation: contentRise 760ms ease both;
}

.operations-board {
  animation-delay: 160ms;
}

.hero-copy h1,
.hero-copy .eyebrow {
  color: var(--color-white);
}

.text-safety-yellow {
  color: var(--color-safety-yellow);
}

.text-siemens-green {
  color: #00ffb9;
}

.hero-copy p:not(.eyebrow) {
  max-width: 690px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.1rem;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.hero-points span {
  padding: 8px 0 9px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-width: 0 0 1px;
  border-radius: var(--radius);
  color: var(--color-white);
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
  transition: color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.hero-points span:hover {
  color: var(--color-safety-yellow);
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

.hero-copy .btn-primary {
  border-color: var(--color-secondary);
  background: var(--color-secondary);
  color: var(--color-primary);
}

.hero-copy .btn-primary:hover {
  border-color: var(--color-white);
  background: var(--color-white);
}

.hero-copy .btn-secondary {
  border-color: rgba(255, 255, 255, 0.72);
  color: var(--color-white);
}

.hero-copy .btn-secondary:hover {
  border-color: var(--color-secondary);
  color: var(--color-accent);
}

.operations-board {
  position: relative;
  padding: 20px;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.operations-board:hover {
  border-color: var(--color-secondary);
  box-shadow: 0 28px 70px rgba(32, 32, 29, 0.14);
  transform: translateY(-6px);
}

.operations-board::before {
  position: absolute;
  left: -18px;
  top: 42px;
  width: 36px;
  height: 176px;
  background: var(--color-secondary);
  content: "";
}

.deck-plan {
  display: grid;
  min-height: 320px;
  grid-template-columns: 56px 1fr 56px;
  gap: 18px;
  padding: 20px;
  background: var(--color-primary);
}

.entry-lane,
.exit-lane {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(216, 207, 195, 0.55);
  color: var(--color-accent);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.parking-bays {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.parking-bays span {
  min-height: 66px;
  border: 2px solid var(--color-secondary);
  transition: background 180ms ease, transform 180ms ease;
}

.operations-board:hover .parking-bays span:nth-child(even) {
  background: rgba(151, 139, 109, 0.2);
  transform: scale(0.96);
}

.parking-bays span:nth-child(3),
.parking-bays span:nth-child(6) {
  background: rgba(216, 207, 195, 0.18);
}

.board-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 24px 4px 14px;
}

.board-footer strong {
  display: block;
  color: var(--color-primary);
  margin-bottom: 5px;
}

.signal-stack {
  display: grid;
  gap: 6px;
}

.signal-stack span {
  width: 38px;
  height: 10px;
  background: var(--color-accent);
  border: 1px solid var(--color-border);
}

.signal-stack span:first-child {
  background: var(--color-primary);
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--color-border);
}

.metric-row div {
  padding: 18px 8px 4px;
}

.metric-row div + div {
  border-left: 1px solid var(--color-border);
}

.metric-row strong,
.metric-row span {
  display: block;
}

.metric-row strong {
  color: var(--color-primary);
  font-size: 1.35rem;
  line-height: 1;
}

.metric-row span {
  color: var(--color-muted);
  font-size: 0.84rem;
}

.trust-strip {
  background: var(--color-primary);
  color: var(--color-white);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
}

.trust-grid p {
  padding: 24px 12px;
  color: var(--color-accent);
  font-size: 0.82rem;
  font-weight: 800;
  text-align: center;
  text-transform: uppercase;
  transition: background 180ms ease, color 180ms ease;
}

.trust-grid p:hover {
  background: var(--color-secondary);
  color: var(--color-primary);
}

/* 8. Sections and cards */
.statement-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.75fr);
  gap: 64px;
  align-items: end;
  margin-bottom: 36px;
}

.card-grid {
  display: grid;
  gap: 0;
}

.card-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.info-card {
  position: relative;
  min-height: 220px;
  padding: 30px;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.info-card::before,
.environment-grid article::before,
.principle-grid article::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(151, 139, 109, 0.11), rgba(151, 139, 109, 0));
  content: "";
  opacity: 0;
  transition: opacity 220ms ease;
  pointer-events: none;
}

.info-card:hover,
.environment-grid article:hover,
.principle-grid article:hover {
  border-color: var(--color-secondary);
  box-shadow: 0 20px 46px rgba(32, 32, 29, 0.09);
  transform: translateY(-6px);
}

.info-card:hover::before,
.environment-grid article:hover::before,
.principle-grid article:hover::before {
  opacity: 1;
}

.section-muted .info-card {
  background: rgba(251, 250, 246, 0.72);
}

.service-ledger {
  border-top: 1px solid var(--color-border);
}

.service-ledger article {
  position: relative;
  display: grid;
  grid-template-columns: 90px minmax(210px, 0.42fr) minmax(0, 1fr);
  gap: 30px;
  align-items: start;
  padding: 34px 0;
  border-bottom: 1px solid var(--color-border);
  transition: padding-left 220ms ease, border-color 220ms ease;
}

.service-ledger article::before {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--color-secondary);
  content: "";
  transition: width 220ms ease;
}

.service-ledger article:hover {
  padding-left: 18px;
  border-color: var(--color-secondary);
}

.service-ledger article:hover::before {
  width: 4px;
}

.service-ledger article h2,
.service-ledger article h3,
.service-ledger article p,
.service-ledger article span {
  transition: color 180ms ease, transform 180ms ease;
}

.service-ledger article:hover h2,
.service-ledger article:hover h3 {
  color: var(--color-secondary);
}

.service-ledger article:hover span {
  transform: translateX(4px);
}

.service-ledger span {
  color: var(--color-secondary);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.45rem;
  font-weight: 400;
  line-height: 1;
}

.service-ledger h3 {
  margin-bottom: 0;
}

.service-ledger h2 {
  max-width: none;
  margin-bottom: 0;
  font-size: 1.5rem;
}

.plain-ledger article {
  grid-template-columns: minmax(210px, 0.34fr) minmax(0, 1fr);
}

.plain-ledger h3 {
  margin-bottom: 0;
}

.contact-ledger {
  margin-top: 28px;
}

.systems-band {
  position: relative;
  overflow: hidden;
}

.systems-band::after {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 38%;
  height: 100%;
  background: var(--color-secondary);
  content: "";
  opacity: 0.2;
}

.systems-layout,
.operations-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(320px, 1fr);
  gap: 68px;
  align-items: center;
}

.system-copy,
.operations-copy {
  max-width: 620px;
}

.system-map {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0;
  padding: 0;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.system-map div {
  position: relative;
  padding: 22px 24px 22px 58px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-primary);
  font-size: 0.88rem;
  font-weight: 800;
  text-transform: uppercase;
  transition: background 180ms ease, color 180ms ease, padding-left 180ms ease;
}

.system-map div:last-child {
  border-bottom: 0;
}

.system-map div::before {
  position: absolute;
  left: 24px;
  top: 50%;
  width: 16px;
  height: 16px;
  background: var(--color-secondary);
  content: "";
  transform: translateY(-50%);
  transition: transform 180ms ease, background 180ms ease;
}

.system-map div:hover {
  background: rgba(151, 139, 109, 0.12);
  color: var(--color-secondary);
  padding-left: 66px;
}

.system-map div:hover::before {
  background: var(--color-primary);
  transform: translateY(-50%) rotate(45deg);
}

.operations-list {
  display: grid;
  gap: 0;
  background: var(--color-primary);
  border-radius: var(--radius);
  overflow: hidden;
}

.operations-list p {
  padding: 26px 28px;
  color: var(--color-accent);
  border-bottom: 1px solid rgba(216, 207, 195, 0.28);
  transition: background 180ms ease, padding-left 180ms ease;
}

.operations-list p:hover {
  background: rgba(151, 139, 109, 0.18);
  padding-left: 36px;
}

.operations-list p:last-child {
  border-bottom: 0;
}

.operations-list span {
  display: block;
  color: var(--color-secondary);
  font-weight: 800;
  margin-bottom: 5px;
}

.environment-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 1fr;
  gap: 0;
}

.environment-grid article {
  position: relative;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.environment-grid article:nth-child(2) {
  margin-top: 40px;
}

.environment-grid article:nth-child(3) {
  margin-top: 80px;
}

.principle-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.principle-grid article {
  position: relative;
  min-height: 250px;
  padding: 28px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-paper);
  overflow: hidden;
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.feature-list {
  display: grid;
  gap: 14px;
}

.feature-list p {
  padding: 20px 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-width: 0 0 1px;
  color: var(--color-text);
  font-weight: 700;
  transition: color 180ms ease, padding-left 180ms ease, border-color 180ms ease;
}

.feature-list p:hover {
  padding-left: 14px;
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.cta-section {
  padding: 82px 0;
  background: var(--color-primary);
}

.cta-section h2,
.cta-section .eyebrow {
  color: var(--color-white);
}

.cta-section .btn-primary {
  border-color: var(--color-secondary);
  background: var(--color-secondary);
  color: var(--color-primary);
}

.cta-section .btn-primary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* 9. Forms */
.contact-form {
  display: grid;
  gap: 13px;
  padding: 30px;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.contact-form:hover {
  border-color: var(--color-secondary);
  box-shadow: 0 28px 70px rgba(32, 32, 29, 0.12);
  transform: translateY(-4px);
}

.contact-form label {
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-text);
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.contact-form input:hover,
.contact-form select:hover,
.contact-form textarea:hover,
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(151, 139, 109, 0.14);
  outline: 0;
}

.contact-form textarea {
  resize: vertical;
}

.form-message,
.security-note {
  color: var(--color-muted);
  font-size: 0.92rem;
}

.form-message.is-error {
  color: var(--color-primary);
}

.contact-panel {
  margin-top: 28px;
  padding: 24px;
  background: var(--color-primary);
  border-radius: var(--radius);
  transition: background 180ms ease, transform 180ms ease;
}

.contact-panel:hover {
  background: #2b2b26;
  transform: translateY(-3px);
}

.contact-panel p,
.contact-panel strong {
  color: var(--color-white);
}

.contact-panel strong {
  display: block;
  margin-bottom: 6px;
}

/* 10. Footer */
.site-footer {
  padding: 0 0 42px;
  background: var(--color-primary);
  border-top: 0;
}

.footer-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(300px, 560px) minmax(180px, 1fr);
  gap: 80px;
  align-items: start;
  padding-top: 70px;
}

.footer-grid::before {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.16);
  content: "";
}

.site-footer strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.45rem;
  font-weight: 400;
  color: var(--color-primary);
}

.footer-logo {
  width: min(290px, 100%);
  height: auto;
  margin-bottom: 40px;
  background: transparent;
  filter: invert(1);
}

.footer-company p {
  color: rgba(255, 255, 255, 0.72);
}

.footer-summary {
  max-width: 470px;
  margin-bottom: 24px;
  font-size: 1.28rem;
  line-height: 1.45;
}

.footer-disclaimer {
  max-width: 560px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 0.96rem;
  line-height: 1.52;
}

.footer-copyright {
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 18px;
  text-align: right;
}

.footer-links span {
  margin-bottom: 6px;
  color: var(--color-secondary);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-footer a {
  position: relative;
  width: fit-content;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.05rem;
  font-weight: 400;
  text-transform: none;
  transition: color 180ms ease;
}

.site-footer a::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -5px;
  height: 1px;
  background: var(--color-safety-yellow);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.site-footer a:hover {
  color: var(--color-safety-yellow);
}

.site-footer a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

@keyframes navDrop {
  from {
    transform: translateY(-100%);
  }

  to {
    transform: translateY(0);
  }
}

@keyframes contentRise {
  from {
    opacity: 0;
    transform: translateY(26px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes gridDrift {
  from {
    background-position: 0 0, 0 0;
  }

  to {
    background-position: 96px 96px, 96px 96px;
  }
}

/* 11. Responsive rules */
@media (max-width: 900px) {
  h1 {
    font-size: 4rem;
  }

  h2 {
    font-size: 2.55rem;
  }

  .hero-grid,
  .split-layout,
  .contact-layout,
  .cta-inner,
  .footer-grid,
  .statement-layout,
  .systems-layout,
  .operations-layout {
    grid-template-columns: 1fr;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
    min-height: 92px;
  }

  .site-nav.active,
  .site-nav.is-open {
    height: 330px;
  }

  .site-nav a {
    display: block;
    width: fit-content;
    margin: 0;
    padding: 16px 0;
  }

  .site-nav a:first-child {
    margin-top: 22px;
  }

  body {
    padding-top: 92px;
  }

  .card-grid.three,
  .trust-grid,
  .environment-grid,
  .principle-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .environment-grid article:nth-child(2),
  .environment-grid article:nth-child(3) {
    margin-top: 0;
  }

  .service-ledger article {
    grid-template-columns: 70px 1fr;
  }

  .service-ledger article p {
    grid-column: 2;
  }

  .service-ledger h2 {
    font-size: 1.35rem;
  }

  .plain-ledger article {
    grid-template-columns: minmax(210px, 0.42fr) minmax(0, 1fr);
  }

  .product-velocity-hero {
    min-height: 600px;
  }

  .solution-hero {
    min-height: 600px;
  }

  .scramble-text {
    min-width: 0;
    white-space: normal;
  }

  .footer-note {
    text-align: left;
  }

  .footer-links {
    align-items: flex-start;
    text-align: left;
  }
}

@media (max-width: 720px) {
  h1 {
    font-size: 2.85rem;
  }

  h2 {
    font-size: 2.05rem;
  }

  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .section,
  .hero,
  .page-hero {
    padding: 70px 0;
  }

  .site-nav {
    background: transparent;
    border-radius: 0;
    box-shadow: none;
  }

  .site-nav a {
    padding: 14px 0;
  }

  .solution-hero-signals {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .solution-hero-signals span {
    width: 100%;
  }

  .site-nav a::after {
    bottom: 6px;
  }

  .site-nav a[href="contact.html"] {
    min-height: 48px;
    margin-top: 8px;
    padding: 0 14px;
  }

  .card-grid.three,
  .trust-grid,
  .environment-grid,
  .principle-grid {
    grid-template-columns: 1fr;
  }

  .deck-plan {
    grid-template-columns: 42px 1fr 42px;
    min-height: 280px;
    padding: 14px;
  }

  .operations-board::before {
    display: none;
  }

  .metric-row {
    grid-template-columns: 1fr;
  }

  .metric-row div + div {
    border-left: 0;
    border-top: 1px solid var(--color-border);
  }

  .service-ledger article {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .service-ledger article p {
    grid-column: auto;
  }

  .plain-ledger article {
    grid-template-columns: 1fr;
  }

  .button-row,
  .btn {
    width: 100%;
  }

  .product-velocity-hero {
    min-height: 560px;
  }

  .solution-hero {
    min-height: 560px;
  }

  .product-velocity-hero::before {
    background:
      linear-gradient(180deg, rgba(18, 18, 16, 0.86) 0%, rgba(18, 18, 16, 0.54) 100%),
      linear-gradient(0deg, rgba(18, 18, 16, 0.2), rgba(18, 18, 16, 0.04));
  }

  .product-velocity-stage {
    inset: 6% -48% 3% 18%;
    opacity: 0.72;
    transform: scale(0.82);
    transform-origin: 62% 46%;
  }

  .velocity-plane {
    width: clamp(150px, 44vw, 240px);
  }

  .velocity-plane-2,
  .velocity-plane-4,
  .velocity-plane-5 {
    width: clamp(160px, 48vw, 260px);
  }
}

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

  .js-reveal {
    opacity: 1;
    transform: none;
  }

  .product-velocity-hero {
    --plane-x-1: -520px;
    --plane-y-1: -180px;
    --plane-z-1: -360px;
    --plane-x-2: -260px;
    --plane-y-2: -90px;
    --plane-z-2: -80px;
    --plane-x-3: 0px;
    --plane-y-3: 0px;
    --plane-z-3: 220px;
    --plane-x-4: 260px;
    --plane-y-4: 90px;
    --plane-z-4: -80px;
    --plane-x-5: 520px;
    --plane-y-5: 180px;
    --plane-z-5: -360px;
  }
}