/* ============================================================
   DRULQ SYSTEMS
   INDUSTRIAL WEBSITE — COMPLETE CSS
   ============================================================ */

/* 01. DESIGN TOKENS */

:root {
  color-scheme: light;

  --night: #081827;
  --navy: #0d2337;
  --navy-2: #122e46;

  --ink: #142a3b;
  --muted: #4a6275;

  --blue: #1065ad;
  --blue-bright: #32a6ee;

  --line: #d6e2ea;
  --pale: #f2f6f9;

  --white: #fff;
  --green: #187452;

  --sans:
    "IBM Plex Sans",
    "Inter",
    "Segoe UI",
    Arial,
    sans-serif;

  --mono:
    "IBM Plex Mono",
    Consolas,
    "Courier New",
    monospace;

  --shadow:
    0 24px 70px -48px rgba(7, 29, 46, .55);
}

/* 02. GLOBAL */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 108px;
}

body {
  margin: 0;

  background: var(--white);
  color: var(--ink);

  font: 400 16px/1.65 var(--sans);

  -webkit-font-smoothing: antialiased;
}

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

button,
select,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

button:focus-visible,
a:focus-visible,
select:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #49b1f5;
  outline-offset: 3px;
}

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

svg {
  fill: none;
}

.wrap {
  width: min(1352px, calc(100% - 96px));
  margin-inline: auto;
}

.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;
}

.skip-link {
  position: fixed;

  left: 16px;
  top: -90px;

  z-index: 200;

  background: white;
  color: var(--night);

  padding: 12px 18px;
}

.skip-link:focus {
  top: 12px;
}

.eyebrow,
.mono {
  font: 600 11px/1.5 var(--mono);
  letter-spacing: .075em;
}

.eyebrow {
  margin: 0 0 20px;

  color: #1667a8;

  text-transform: uppercase;
}

.mono {
  color: #49667a;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  letter-spacing: -.042em;
  line-height: 1.13;
}

h2 {
  font-size: clamp(31px, 3.2vw, 47px);
  font-weight: 750;
}

p {
  overflow-wrap: break-word;
}

.tiny-square {
  display: inline-block;

  width: 7px;
  height: 7px;

  background: var(--blue-bright);

  flex: 0 0 auto;
}

.status-dot {
  display: inline-block;

  width: 7px;
  height: 7px;

  border-radius: 50%;

  background: #32a6ee;

  flex: 0 0 auto;
}

.accent-word {
  color: #0871bd;
}

/* ============================================================
   03. HEADER
   ============================================================ */

.site-header {
  position: sticky;

  z-index: 70;
  top: 0;

  min-height: 78px;

  background: #071725;
  color: #f2f8fd;

  border-bottom: 1px solid #294053;
}

.header-inner {
  display: flex;

  align-items: center;

  gap: clamp(20px, 3vw, 52px);

  min-height: 78px;
}

/* BRAND LOCKUP — no white tile. An opaque light logo is composed onto dark
   surfaces: invert makes the white image background black and the dark ink white;
   screen blending removes black while retaining the mark and blue accent.
   If a genuinely transparent white-logo asset is introduced, remove the two
   compositing declarations on .brand img. */
.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 188px;
  height: 48px;
  flex: 0 0 auto;
  padding: 0;
  margin: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  overflow: hidden;
  line-height: 0;
}

.brand img {
  display: block;
  width: 226px;
  max-width: none;
  height: auto;
  flex: 0 0 auto;
  object-fit: contain;
  /* Screen blend: black pixels disappear into the existing dark background. */
  filter: invert(1) hue-rotate(180deg) saturate(1.15);
  mix-blend-mode: screen;
}

.site-header nav {
  display: flex;

  align-items: center;

  gap: clamp(17px, 2.2vw, 33px);

  margin-left: auto;
}

.site-header nav a {
  position: relative;

  color: #c7d5e2;

  font-size: 13px;
  font-weight: 650;

  white-space: nowrap;

  transition: color .18s;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: white;
}

.site-header nav a::after {
  position: absolute;

  bottom: -9px;
  left: 0;
  right: 100%;

  height: 2px;

  background: #42b4fb;

  content: "";

  transition: right .2s;
}

.site-header nav a:hover::after {
  right: 0;
}

.header-cta {
  display: inline-flex;

  align-items: center;
  justify-content: space-between;

  gap: 21px;

  min-height: 43px;

  padding: 10px 15px;

  color: #fff;

  border: 1px solid #56738b;

  font-size: 12px;
  font-weight: 700;

  white-space: nowrap;

  transition:
    background .2s,
    border-color .2s;
}

.header-cta span {
  color: #75caff;
  font-size: 17px;
}

.header-cta:hover {
  background: #17364f;
  border-color: #93b6d0;
}

/* ============================================================
   04. BUTTONS
   ============================================================ */

.button {
  display: inline-flex;

  align-items: center;
  justify-content: center;

  gap: 18px;

  min-height: 50px;

  padding: 12px 19px;

  border: 1px solid transparent;
  border-radius: 1px;

  font-size: 13px;
  font-weight: 750;

  letter-spacing: .005em;

  transition:
    background .2s,
    border-color .2s,
    transform .2s;
}

.button:hover:not(:disabled) {
  transform: translateY(-2px);
}

.button span {
  font-size: 19px;
  line-height: 1;
}

.primary {
  background: #1069b3;
  border-color: #1069b3;

  color: #fff;
}

.primary:hover:not(:disabled) {
  background: #0b5495;
  border-color: #0b5495;
}

.button-outline {
  color: #e4f4ff;

  border-color: #57748a;

  background: rgba(255,255,255,.035);
}

.button-outline:hover {
  background: #1c3f59;
  border-color: #94cbe9;
}

.button:disabled {
  background: #dfe8ef;

  color: #5d7180;

  border-color: #c9d8e3;

  transform: none;
}

.small-button {
  margin-top: 16px;

  min-height: 42px;

  padding: 10px 15px;

  font-size: 12px;
}

/* ============================================================
   05. HERO
   ============================================================ */

.hero {
  position: relative;

  overflow: hidden;

  color: white;

  background:
    radial-gradient(
      ellipse at 84% 34%,
      #173950 0%,
      transparent 43%
    ),
    linear-gradient(
      115deg,
      #071725,
      #0e273b 68%,
      #081827
    );
}

.hero::before {
  position: absolute;

  inset: 0;

  pointer-events: none;

  opacity: .19;

  background-image:
    linear-gradient(
      #47728e 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      #47728e 1px,
      transparent 1px
    );

  background-size: 52px 52px;

  mask-image:
    linear-gradient(
      90deg,
      transparent 15%,
      #000 100%
    );

  content: "";
}

.hero-grid {
  position: relative;

  display: grid;

  grid-template-columns:
    minmax(0, .94fr)
    minmax(0, 1.06fr);

  align-items: center;

  gap: clamp(36px, 4.5vw, 74px);

  padding-block: 81px 69px;
}

.hero-copy {
  min-width: 0;
}

.hero .eyebrow {
  display: flex;

  align-items: center;

  gap: 10px;

  color: #78c8fb;

  margin-bottom: 25px;
}

.hero h1 {
  color: #f9fcff;

  font-size: clamp(46px, 4.65vw, 74px);
  font-weight: 760;

  line-height: 1.085;
  letter-spacing: -.058em;

  margin: 0 0 27px;

  text-wrap: balance;
}

.hero h1 span {
  color: #52b7f5;
}

.hero-description {
  max-width: 560px;

  color: #c4d7e6;

  font-size: 17px;
  line-height: 1.8;

  margin-bottom: 31px;
}

.hero-actions {
  display: flex;

  flex-wrap: wrap;

  gap: 11px;
}

.hero-note {
  display: flex;

  align-items: center;

  gap: 9px;

  max-width: 540px;

  color: #adc2d2;

  margin: 23px 0 0;

  font-size: 11px;
  line-height: 1.6;
}

/* ============================================================
   06. HERO PRODUCT EXPLORER
   ============================================================ */

.hero-visual {
  position: relative;

  min-width: 0;

  background: #0a1a29;

  border: 1px solid #48677d;

  box-shadow:
    0 40px 75px -40px #020d16;
}

.visual-top {
  display: flex;

  align-items: center;
  justify-content: space-between;

  gap: 10px;

  min-height: 41px;

  padding: 10px 16px;

  background: #112b3f;

  border-bottom: 1px solid #35556c;

  color: #bfd8e9;

  font: 600 10px/1.5 var(--mono);

  letter-spacing: .025em;
}

.visual-top > span:first-child {
  display: inline-flex;

  align-items: center;

  gap: 9px;
}

.prototype-figure {
  margin: 0;
}

.prototype-image-frame {
  position: relative;

  background: #061622;
}

.prototype-figure > img,
.prototype-image-frame > img {
  width: 100%;

  aspect-ratio: 3 / 2;

  height: auto;

  object-fit: cover;
}

.image-index {
  position: absolute;

  bottom: 13px;
  right: 15px;

  padding: 5px 8px;

  background: rgba(4,15,24,.72);

  color: #d1e6f4;

  font: 600 10px var(--mono);

  letter-spacing: .08em;
}

.prototype-figure figcaption {
  padding: 18px 21px 12px;

  background: #0c2335;

  border-top: 1px solid #284b63;
}

.prototype-figure .eyebrow {
  color: #6ac0fa;

  margin-bottom: 8px;

  font-size: 10px;
}

.prototype-figure h2 {
  color: #fff;

  margin: 0 0 7px;

  font-size: clamp(21px, 2vw, 27px);

  line-height: 1.2;
}

.prototype-figure figcaption > p {
  color: #b8ccdb;

  font-size: 12px;
  line-height: 1.65;

  margin: 0;
}

/* PRODUCT TABS */

.prototype-tabs {
  display: grid;

  grid-template-columns:
    1fr 1fr 1.18fr;

  margin: 15px 20px 0;

  border: 1px solid #48667c;
}

.prototype-tabs button {
  color: #d0e1ee;

  min-width: 0;
  min-height: 46px;

  border: 0;
  border-right: 1px solid #48667c;

  background: #0b2031;

  font-size: 11px;
  font-weight: 700;
}

.prototype-tabs button:last-child {
  border-right: 0;
}

.prototype-tabs button span {
  color: #8db6ce;

  font: 600 10px var(--mono);

  margin-right: 5px;
}

.prototype-tabs button[aria-selected="true"] {
  background: #1a6cb0;

  color: white;
}

.prototype-tabs button[aria-selected="true"] span {
  color: white;
}

.prototype-tabs button:hover:not(
  [aria-selected="true"]
) {
  background: #1a394f;
}

.prototype-note {
  padding: 0 20px;

  margin: 12px 0 17px;

  color: #a9bfcd;

  font-size: 10px;
  line-height: 1.6;
}

/* ============================================================
   07. ENGINEERING SEQUENCE
   ============================================================ */

.principle-strip {
  position: relative;

  display: grid;

  grid-template-columns:
    repeat(4, minmax(0, 1fr));

  border-top: 1px solid #385065;
}

.principle-strip > div {
  min-width: 0;

  padding: 23px 20px 25px;

  border-right: 1px solid #385065;
}

.principle-strip > div:first-child {
  padding-left: 0;
}

.principle-strip > div:last-child {
  border-right: 0;

  padding-right: 0;
}

.principle-strip span {
  color: #6ec2f6;

  font: 600 10px var(--mono);

  letter-spacing: .07em;
}

.principle-strip p {
  color: #f0f7fd;

  margin: 5px 0 0;

  font-size: 12px;
  font-weight: 650;

  line-height: 1.45;
}

/* ============================================================
   08. SHARED SECTION HEADINGS
   ============================================================ */

.section-heading {
  display: flex;

  justify-content: space-between;
  align-items: end;

  gap: 45px;

  margin-bottom: 36px;
}

.section-heading h2 {
  margin: 0;
}

.section-heading > p {
  max-width: 390px;

  color: var(--muted);

  font-size: 14px;
  line-height: 1.75;

  margin: 0 0 4px;
}

/* ============================================================
   09. SYSTEM ARCHITECTURE
   ============================================================ */

.architecture-section {
  padding: 91px 0 82px;

  background: #f5f8fa;

  border-bottom: 1px solid var(--line);
}

.architecture-rail {
  display: grid;

  grid-template-columns:
    minmax(0,1fr)
    22px
    minmax(0,1fr)
    22px
    minmax(0,1fr)
    22px
    minmax(0,1fr);

  gap: 8px;

  align-items: center;
}

.architecture-node {
  height: 100%;

  min-height: 174px;

  padding: 22px 20px;

  border: 1px solid #cfdde7;
  border-top: 3px solid #7c9cb4;

  background: white;
}

.architecture-node.node-highlight {
  border-top-color: #1884d2;

  background: #eaf4fc;
}

.node-index {
  display: block;

  margin-bottom: 17px;

  color: #27638d;

  font: 600 10px var(--mono);

  letter-spacing: .06em;
}

.architecture-node strong {
  display: block;

  color: #172d3e;

  font-size: 16px;
  line-height: 1.35;
}

.architecture-node p {
  color: #4c6578;

  margin: 7px 0 0;

  font-size: 12px;
  line-height: 1.6;
}

.architecture-arrow {
  color: #186faa;

  font-size: 24px;

  text-align: center;
}

.architecture-note {
  color: #576e7f;

  font-size: 11px;

  margin: 18px 0 0;
}

/* ============================================================
   10. EDGE FLAGSHIP SECTION
   ============================================================ */

.edge-product {
  padding: 91px 0 92px;

  background: #0a1e2e;

  color: white;
}

.edge-heading .eyebrow {
  color: #77c5f7;
}

.edge-heading h2 {
  color: #f5fbff;
}

.edge-heading .accent-word {
  color: #4bb4f3;
}

.edge-heading > p {
  color: #c0d3e1;
}

.edge-overview-grid {
  display: grid;

  grid-template-columns:
    minmax(0,.78fr)
    minmax(0,1.22fr);

  overflow: hidden;

  border: 1px solid #42627a;

  background: #0d283d;
}

.edge-feature {
  display: flex;

  flex-direction: column;
  align-items: flex-start;
  justify-content: center;

  padding: 43px 36px;

  min-width: 0;
}

.edge-feature .eyebrow {
  color: #76cafa;
}

.edge-feature h3 {
  color: #fff;

  font-size: clamp(31px, 3vw, 44px);
  font-weight: 750;

  margin: 6px 0 19px;
}

.edge-feature > p:not(.edge-feature-note) {
  color: #c2d6e4;

  font-size: 14px;
  line-height: 1.8;

  max-width: 460px;
}

.edge-tags {
  display: flex;

  flex-wrap: wrap;

  gap: 7px;

  margin: 14px 0 28px;
}

.edge-tags span {
  padding: 6px 9px;

  color: #cbe4f4;

  border: 1px solid #55738b;

  font: 500 10px var(--mono);
}

.edge-feature-note {
  color: #a8c0d0;

  font-size: 11px;
  line-height: 1.7;

  margin: 24px 0 0;
}

/* PRODUCT IMAGE */

.edge-product-shot {
  display: flex;

  flex-direction: column;
  justify-content: center;

  min-width: 0;

  margin: 0;

  background:
    radial-gradient(
      ellipse at center,
      #1c4763,
      #071522 80%
    );
}

.edge-product-shot img {
  width: 100%;
  height: 100%;

  max-height: 565px;

  object-fit: contain;
}

.edge-product-shot figcaption {
  display: flex;

  justify-content: space-between;

  gap: 12px;

  padding: 13px 17px;

  border-top: 1px solid #365169;

  background: #102436;

  color: #c1d3e0;

  font: 500 10px/1.5 var(--mono);
}

/* PRODUCT PERSPECTIVES */

.edge-detail-grid {
  display: grid;

  grid-template-columns:
    repeat(3, minmax(0, 1fr));

  gap: 14px;

  margin-top: 14px;
}

.edge-detail-grid figure {
  min-width: 0;

  margin: 0;

  overflow: hidden;

  background: #10283b;

  border: 1px solid #2c4a60;
}

.edge-detail-grid img {
  width: 100%;
  height: 175px;

  object-fit: cover;
}

.edge-detail-grid figcaption {
  display: flex;

  align-items: baseline;

  gap: 13px;

  padding: 12px 14px;

  color: #f1f7fc;

  font-size: 12px;
  font-weight: 650;
}

.edge-detail-grid figcaption span {
  color: #83c8f2;

  font: 500 10px var(--mono);
}

.edge-validation {
  border-left: 2px solid #4d9dd1;

  padding-left: 14px;

  margin: 26px 0 0;

  color: #bfd1df;

  font-size: 11px;
  line-height: 1.8;
}

/* ============================================================
   11. PRODUCT PORTFOLIO
   ============================================================ */

.streams {
  padding: 98px 0 92px;

  background: #fff;
}

.stream-cards {
  display: grid;

  grid-template-columns:
    repeat(3,minmax(0,1fr));

  gap: 18px;
}

.stream-card {
  position: relative;

  display: flex;

  flex-direction: column;

  min-width: 0;

  padding: 25px 25px 0;

  background: white;

  border: 1px solid #d3e0e8;
  border-top: 3px solid #305d7e;

  transition:
    box-shadow .2s,
    transform .2s;
}

.stream-card.featured-card {
  border-top-color: #1387d5;

  background: #f8fbfd;
}

.stream-card:hover,
.stream-card:focus-within {
  transform: translateY(-3px);

  box-shadow: var(--shadow);
}

.card-top {
  display: flex;

  flex-wrap: wrap;

  justify-content: space-between;
  align-items: center;

  gap: 9px;

  margin-bottom: 37px;
}

.stream-number {
  font: 600 10px var(--mono);

  letter-spacing: .04em;

  color: #375c78;
}

.stream-status {
  display: inline-block;

  padding: 4px 6px;

  border: 1px solid #c5d6e1;

  color: #4e6e86;

  font: 600 9px/1.5 var(--mono);
}

.featured-card .stream-status {
  color: #075992;

  border-color: #9ecbe8;

  background: #e9f5fc;
}

.stream-icon {
  display: grid;

  place-items: center;

  width: 49px;
  height: 49px;

  margin-bottom: 26px;

  color: #1d6699;

  background: #eaf3f8;

  border: 1px solid #d0e1ed;
}

.stream-icon svg {
  width: 27px;
  height: 27px;

  stroke: currentColor;
  stroke-width: 1.5;
}

.stream-card h3 {
  font-size: clamp(20px,1.7vw,24px);

  margin: 0 0 6px;

  font-weight: 750;
}

.card-subtitle {
  color: #135f97;

  font-size: 12px;
  font-weight: 700;

  margin: 0 0 19px;
}

.stream-card > p:not(.card-subtitle) {
  color: #4c6274;

  font-size: 13px;
  line-height: 1.75;

  margin-bottom: 25px;
}

.card-fit {
  padding: 15px 14px;

  min-height: 88px;

  background: #ecf3f7;

  border: 1px solid #e0ebf2;

  margin-top: auto;
  margin-bottom: 15px;
}

.card-fit span {
  color: #406781;

  font: 600 10px var(--mono);

  letter-spacing: .04em;
}

.card-fit p {
  color: #2c485c;

  font-size: 12px;

  margin: 7px 0 0;
}

.stream-link {
  display: flex;

  align-items: center;
  justify-content: space-between;

  width: 100%;

  gap: 10px;

  padding: 18px 0 20px;

  color: #1265a3;

  border: 0;
  border-top: 1px solid #d6e2eb;

  background: transparent;

  text-align: left;

  font-size: 12px;
  font-weight: 750;
}

.stream-link span {
  font-size: 19px;
}

.stream-link:hover {
  color: #073e6e;
}

.stream-footnote {
  display: flex;

  gap: 9px;

  color: #50697b;

  font-size: 11px;

  margin: 23px 0 0;
}

.info-icon,
.disclaimer-icon {
  display: inline-flex;

  flex: 0 0 auto;

  align-items: center;
  justify-content: center;

  width: 16px;
  height: 16px;

  border: 1px solid currentColor;
  border-radius: 50%;

  font: 700 10px var(--mono);
}

/* ============================================================
   12. SCENARIO OPERATIONS CONSOLE
   ============================================================ */

.scenario-section {
  padding: 93px 0 79px;

  background: #edf3f7;

  border-top: 1px solid var(--line);
}

.scenario-heading {
  margin-bottom: 35px;
}

.scenario-shell {
  overflow: hidden;

  border: 1px solid #aec6d8;

  background: white;

  box-shadow: var(--shadow);
}

.scenario-toolbar {
  display: flex;

  align-items: center;
  justify-content: space-between;

  gap: 20px;

  padding: 18px 25px;

  background: #102c43;

  color: white;
}

.example-label {
  display: inline-flex;

  gap: 9px;

  align-items: center;

  color: #e0f1fb;

  font: 600 10px var(--mono);

  letter-spacing: .05em;
}

.scenario-toolbar p {
  margin: 4px 0 0;

  color: #b9d1e1;

  font-size: 11px;
}

.scenario-select {
  display: flex;

  align-items: center;

  gap: 12px;
}

.scenario-select label {
  font: 600 10px var(--mono);

  color: #bed4e3;
}

.scenario-select select {
  min-height: 42px;

  padding: 9px 13px;

  max-width: 100%;

  background: #f7fbfd;

  color: #162d40;

  border: 1px solid #7394ac;
  border-radius: 1px;

  font-size: 12px;
}

/* INCIDENT CONTEXT */

.scenario-context {
  display: flex;

  align-items: center;
  justify-content: space-between;

  gap: 22px;

  padding: 30px 30px 32px;

  border-bottom: 1px solid var(--line);
}

.scenario-context h3 {
  margin: 9px 0;

  color: #112b40;

  font-size: 27px;
  font-weight: 750;
}

.scenario-context p {
  margin: 0;

  color: #4b6476;

  font-size: 13px;

  max-width: 690px;
}

.asset-state {
  display: inline-flex;

  align-items: center;

  gap: 8px;

  white-space: nowrap;

  color: #87530c;

  background: #fff5e5;

  border: 1px solid #e7cfa6;

  padding: 8px 11px;

  font-size: 11px;
}

.state-light {
  width: 7px;
  height: 7px;

  background: #ba790c;

  border-radius: 50%;
}

.asset-state.restored {
  color: #155c41;

  background: #eaf8f0;

  border-color: #afd7c3;
}

.asset-state.restored .state-light {
  background: #1b8156;
}

/* ============================================================
   13. ROLE TABS
   ============================================================ */

.console-label {
  display: flex;

  justify-content: space-between;

  gap: 9px;

  background: #e6eef4;

  padding: 10px 26px;

  color: #3a617b;

  border-bottom: 1px solid #cddce7;

  font: 600 10px var(--mono);
}

.role-tabs {
  display: grid;

  grid-template-columns:
    1fr 1.35fr 1fr;

  border-bottom: 1px solid #cddce7;
}

.role-tabs button {
  position: relative;

  min-width: 0;
  min-height: 62px;

  padding: 15px 8px;

  border: 0;
  border-right: 1px solid #d5e1ea;

  background: #f7fafc;

  color: #3c586c;

  font-size: 12px;
  font-weight: 750;
}

.role-tabs button:last-child {
  border-right: 0;
}

.role-tabs button span {
  margin-right: 10px;

  font: 600 10px var(--mono);

  color: #68849a;
}

.role-tabs button[aria-selected="true"] {
  background: #e5f2fb;

  color: #0b5793;
}

.role-tabs button[aria-selected="true"]::after {
  position: absolute;

  left: 0;
  right: 0;
  bottom: -1px;

  height: 3px;

  background: #1481c8;

  content: "";
}

.role-tabs button:hover {
  background: #eaf4fa;
}

/* ============================================================
   14. DYNAMIC ROLE PANEL
   ============================================================ */

.stream-panel {
  display: grid;

  grid-template-columns:
    minmax(0,1fr)
    minmax(0,1fr);

  gap: 58px;

  padding: 39px 40px;

  min-height: 318px;
}

.role-copy .eyebrow {
  font-size: 10px;

  margin-bottom: 10px;
}

.role-copy h3 {
  font-size: 28px;

  margin: 0 0 14px;
}

.role-copy > p {
  color: #4b6274;

  font-size: 13px;
  line-height: 1.8;

  margin: 0 0 21px;
}

.role-boundary {
  padding-left: 14px;

  border-left: 3px solid #3c99d2;
}

.role-boundary strong {
  font-size: 12px;
}

.role-boundary p {
  color: #567084;

  margin: 5px 0 0;

  font-size: 11px;
  line-height: 1.7;
}

/* SIGNAL MAP */

.signal-map {
  align-self: center;
}

.map-row {
  display: flex;

  align-items: center;

  gap: 13px;

  border: 1px solid #d4e0e9;

  background: #f9fbfc;

  padding: 11px 13px;

  color: #52697b;
}

.map-row.active {
  background: #e6f3fc;

  border-color: #76b3dd;

  color: #125f98;
}

.map-icon {
  flex: 0 0 auto;

  display: grid;

  place-items: center;

  width: 33px;
  height: 33px;

  background: #e4edf3;

  font: 600 11px var(--mono);
}

.active .map-icon {
  background: #116cb0;

  color: #fff;
}

.map-row strong {
  display: block;

  font-size: 12px;
  line-height: 1.3;
}

.map-row div > span {
  display: block;

  margin-top: 3px;

  font-size: 10px;
}

.map-tag {
  margin-left: auto;

  font: 600 9px var(--mono);
}

.map-connector {
  height: 17px;
  width: 1px;

  margin-left: 29px;

  background: #a8c6d8;

  position: relative;
}

.map-connector::after {
  position: absolute;

  bottom: 1px;
  left: -3px;

  width: 5px;
  height: 5px;

  border-bottom: 1px solid #7b9db5;
  border-right: 1px solid #7b9db5;

  transform: rotate(45deg);

  content: "";
}

/* ============================================================
   15. RESTORATION JOURNEY
   ============================================================ */

.journey {
  border-top: 1px solid #d5e1eb;

  padding: 30px 32px 36px;

  background: #fbfcfd;
}

.journey-heading {
  display: flex;

  align-items: center;
  justify-content: space-between;

  gap: 15px;

  margin-bottom: 22px;
}

.journey-heading .eyebrow {
  margin-bottom: 6px;

  font-size: 10px;
}

.journey-heading h3 {
  margin: 0;

  font-size: 21px;
}

.reset-button {
  display: inline-flex;

  align-items: center;

  gap: 6px;

  border: 1px solid #cddce6;

  background: white;

  padding: 7px 10px;

  color: #496b83;

  font-size: 20px;
}

.reset-button span {
  font-size: 11px;
}

.reset-button:hover {
  color: #1065a3;

  border-color: #8eb9d5;
}

/* STAGE TABS */

.journey-stages {
  display: grid;

  grid-template-columns:
    repeat(3,minmax(0,1fr));

  gap: 8px;
}

.journey-stages button {
  display: flex;

  align-items: center;

  gap: 10px;

  min-height: 52px;
  min-width: 0;

  padding: 10px 12px;

  background: white;

  color: #3c586d;

  border: 1px solid #d2e0ea;

  text-align: left;

  font-size: 12px;
}

.journey-stages button span {
  display: grid;

  place-items: center;

  width: 29px;
  height: 26px;

  flex: 0 0 auto;

  background: #eef4f8;

  border: 1px solid #d2e0ea;

  font: 600 10px var(--mono);
}

.journey-stages button[aria-selected="true"] {
  color: #125d97;

  background: #e8f4fc;

  border-color: #77b3db;

  font-weight: 750;
}

.journey-stages button[aria-selected="true"] span {
  color: white;

  background: #116cb0;

  border-color: #116cb0;
}

/* STAGE CONTENT */

.journey-panel {
  display: grid;

  grid-template-columns:
    minmax(0,1fr)
    minmax(0,1fr);

  gap: 48px;

  padding: 32px 4px 0;

  min-height: 264px;
}

.journey-copy h4 {
  margin: 10px 0;

  font-size: 23px;
}

.journey-copy > p {
  max-width: 450px;

  color: #4e6578;

  font-size: 13px;
  line-height: 1.8;
}

.step-note {
  margin-top: 17px;

  color: #4c6478;

  font-size: 12px;
  line-height: 1.7;
}

.step-note strong {
  color: var(--ink);
}

.step-action {
  min-width: 0;
}

/* ============================================================
   16. EVENT / EVIDENCE / VERIFICATION
   ============================================================ */

.event-card {
  padding: 16px 18px;

  background: #f0f5f9;

  border: 1px solid #cbdce8;
}

.event-card header {
  display: flex;

  justify-content: space-between;

  gap: 10px;

  padding-bottom: 12px;

  border-bottom: 1px solid #d5e2eb;

  color: #3c617a;

  font: 600 10px var(--mono);
}

.event-row {
  display: flex;

  justify-content: space-between;

  gap: 12px;

  margin-top: 10px;

  font-size: 12px;
}

.event-row span {
  color: #506b7f;
}

.event-row strong {
  text-align: right;

  font-weight: 700;
}

.check-row {
  display: flex;

  align-items: flex-start;

  gap: 10px;

  margin-bottom: 9px;

  padding: 12px;

  border: 1px solid #cbdce8;

  background: #fff;

  cursor: pointer;

  font-size: 12px;
}

.check-row:hover {
  background: #f1f7fb;
}

.check-row input {
  width: 17px;
  height: 17px;

  margin: 3px 0 0;

  flex: 0 0 auto;

  accent-color: #1268aa;
}

.check-row strong,
.check-row small {
  display: block;
}

.check-row small {
  font-size: 11px;

  color: #536f82;
}

.verification-item {
  display: flex;

  justify-content: space-between;

  gap: 14px;

  padding: 10px 0;

  border-bottom: 1px solid #dce6ed;

  font-size: 12px;
}

.verification-item span:last-child {
  color: #96620d;

  font-size: 11px;
}

.verification-item.passed span:last-child {
  color: #156e4b;
}

.gate-note {
  color: #5b7284;

  font-size: 11px;

  margin: 10px 0 0;
}

.complete-banner {
  color: #145f42;

  background: #e9f7ef;

  border: 1px solid #aed9c3;

  padding: 17px;
}

.complete-banner strong {
  font-size: 13px;
}

.complete-banner p {
  margin: 5px 0 0;

  font-size: 11px;
}

/* DISCLAIMER */

.scenario-disclaimer {
  display: flex;

  align-items: flex-start;

  gap: 11px;

  margin-top: 22px;

  max-width: 1040px;
}

.scenario-disclaimer .disclaimer-icon {
  margin-top: 3px;

  color: #44728d;
}

.scenario-disclaimer p {
  color: #506b7e;

  font-size: 11px;
  line-height: 1.7;

  margin: 0;
}

.scenario-disclaimer strong {
  color: #27485d;
}

/* ============================================================
   17. COMPANY
   ============================================================ */

.company-section {
  padding: 77px 0 82px;

  background: #102b40;

  color: white;

  border-top: 1px solid #34576e;
}

.company-band {
  display: grid;

  grid-template-columns:
    1.1fr .9fr;

  gap: clamp(35px,6vw,100px);
}

.company-band .eyebrow {
  color: #7fc8f6;
}

.company-band h2 {
  color: #f5faff;

  font-size: clamp(30px,3vw,44px);

  margin: 0 0 19px;
}

.company-band p {
  max-width: 530px;

  color: #c5d6e2;

  font-size: 14px;
  line-height: 1.75;

  margin: 0;
}

.company-aside {
  border-left: 1px solid #49677c;

  padding: 10px 0 0 27px;
}

.development-label {
  color: #7fc8f6;

  font: 600 10px var(--mono);

  letter-spacing: .07em;
}

.company-aside p {
  margin: 17px 0 22px;

  font-size: 13px;
}

.company-link {
  display: inline-flex;

  align-items: center;

  gap: 19px;

  color: #f2faff;

  border-bottom: 1px solid #62b9ed;

  padding-bottom: 7px;

  font-size: 12px;
  font-weight: 750;
}

.company-link:hover {
  color: #7ecdf8;
}

/* ============================================================
   18. FOOTER
   ============================================================ */

.footer {
  background: #061522;

  color: #d5e3ed;
}

.footer-inner {
  display: flex;

  align-items: center;
  justify-content: space-between;

  gap: 25px;

  padding: 36px 0;
}

.footer-brand {
  width: 180px;
  height: 48px;
  background: transparent;
  border: 0;
}

.footer-inner p {
  color: #abc1d1;

  font-size: 11px;

  margin: 12px 0 0;

  max-width: 330px;
}

.footer-links {
  display: flex;

  flex-wrap: wrap;

  gap: 25px;
}

.footer-links a,
.back-top {
  color: #d0e2ef;

  font-size: 12px;
  font-weight: 600;
}

.footer-links a:hover,
.back-top:hover {
  color: #72c9fb;
}

.back-top {
  white-space: nowrap;
}

.footer-bottom {
  display: flex;

  justify-content: space-between;

  gap: 20px;

  padding: 17px 0 24px;

  border-top: 1px solid #294255;

  color: #94b2c7;

  font: 500 10px/1.7 var(--mono);

  letter-spacing: .015em;
}

/* ============================================================
   19. LAPTOP
   ============================================================ */

@media (max-width: 1180px) {

  .wrap {
    width: calc(100% - 64px);
  }

  .header-inner {
    gap: 18px;
  }

  .site-header nav {
    gap: 16px;
  }

  .hero-grid {
    gap: 28px;
  }

  .hero h1 {
    font-size: clamp(46px,4.7vw,63px);
  }

  .hero-description {
    font-size: 15px;
  }

  .stream-card {
    padding-inline: 20px;
  }

  .stream-panel {
    gap: 32px;

    padding: 31px;
  }

  .edge-feature {
    padding: 34px 27px;
  }

}

/* ============================================================
   20. TABLET
   ============================================================ */

@media (max-width: 950px) {

  .site-header {
    min-height: 76px;
  }

  .header-inner {
    flex-wrap: wrap;

    padding-block: 10px;
  }

  .site-header nav {
    width: 100%;

    order: 3;

    overflow-x: auto;

    scrollbar-width: thin;

    white-space: nowrap;

    padding: 5px 0 6px;

    margin: 0;
  }

  .header-cta {
    margin-left: auto;
  }

  .hero-grid {
    grid-template-columns: 1fr;

    padding-block: 60px 47px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero h1 {
    font-size: clamp(49px,6.4vw,66px);
  }

  .hero-description {
    max-width: 680px;

    font-size: 16px;
  }

  .hero-visual {
    max-width: 740px;

    width: 100%;
  }

  .architecture-rail {
    grid-template-columns:
      repeat(4,minmax(0,1fr));

    gap: 9px;
  }

  .architecture-arrow {
    display: none;
  }

  .architecture-node {
    padding: 18px 14px;
  }

  .edge-overview-grid {
    grid-template-columns: 1fr;
  }

  .edge-feature {
    padding: 34px;
  }

  .edge-product-shot img {
    max-height: 540px;
  }

  .stream-cards {
    gap: 11px;
  }

  .stream-card {
    padding: 19px 16px 0;
  }

  .card-top {
    margin-bottom: 25px;
  }

  .stream-card h3 {
    font-size: 19px;
  }

  .stream-panel {
    gap: 24px;

    padding: 26px;
  }

  .journey-panel {
    gap: 26px;
  }

}

/* ============================================================
   21. MOBILE
   ============================================================ */

@media (max-width: 700px) {

  html {
    scroll-padding-top: 133px;
  }

  .wrap {
    width: calc(100% - 38px);
  }

  /* HEADER */

  .brand {
    width: 157px;
    height: 43px;
  }

  .brand img {
    width: 198px;
  }

  .header-inner {
    min-height: 65px;
  }

  .header-cta {
    padding: 9px 10px;

    min-height: 39px;

    font-size: 11px;

    gap: 8px;
  }

  .site-header nav {
    gap: 23px;

    font-size: 12px;
  }

  /* HERO */

  .hero-grid {
    padding-block: 49px 35px;

    gap: 30px;
  }

  .hero .eyebrow {
    font-size: 10px;
  }

  .hero h1 {
    font-size: clamp(40px,9vw,55px);
  }

  .hero-description {
    font-size: 14px;
  }

  .hero-actions {
    flex-direction: column;

    align-items: stretch;
  }

  .hero-actions .button {
    justify-content: space-between;
  }

  /* PRODUCT EXPLORER */

  .prototype-figure figcaption {
    padding: 17px;
  }

  .prototype-figure h2 {
    font-size: 22px;
  }

  .prototype-tabs {
    margin-inline: 14px;
  }

  .prototype-note {
    padding-inline: 14px;
  }

  .visual-top {
    font-size: 9px;

    padding-inline: 10px;
  }

  /* OPERATING SEQUENCE */

  .principle-strip {
    grid-template-columns:
      repeat(2,minmax(0,1fr));
  }

  .principle-strip > div {
    padding: 18px 10px;

    border-bottom: 1px solid #385065;
  }

  .principle-strip > div:nth-child(2) {
    border-right: 0;
  }

  .principle-strip > div:nth-child(n+3) {
    border-bottom: 0;
  }

  .principle-strip > div:first-child,
  .principle-strip > div:last-child {
    padding-inline: 10px;
  }

  /* SECTIONS */

  .section-heading {
    display: block;

    margin-bottom: 27px;
  }

  .section-heading h2 {
    font-size: clamp(30px,7vw,40px);
  }

  .section-heading > p {
    max-width: 100%;

    margin-top: 18px;

    font-size: 13px;
  }

  .architecture-section,
  .edge-product,
  .streams,
  .scenario-section {
    padding-block: 63px;
  }

  /* ARCHITECTURE */

  .architecture-rail {
    grid-template-columns: 1fr;
  }

  .architecture-node {
    min-height: 0;

    padding: 18px 19px;
  }

  .node-index {
    margin-bottom: 7px;
  }

  /* EDGE */

  .edge-feature {
    padding: 29px 21px;
  }

  .edge-feature h3 {
    font-size: 31px;
  }

  .edge-product-shot figcaption {
    flex-wrap: wrap;

    font-size: 9px;
  }

  .edge-detail-grid {
    grid-template-columns: 1fr;
  }

  .edge-detail-grid img {
    height: 215px;

    object-fit: contain;
  }

  .edge-detail-grid figcaption {
    font-size: 12px;
  }

  /* STREAMS */

  .stream-cards {
    grid-template-columns: 1fr;

    gap: 14px;
  }

  .stream-card {
    padding: 23px 21px 0;
  }

  .card-top {
    margin-bottom: 19px;
  }

  .stream-card h3 {
    font-size: 23px;
  }

  .card-fit {
    min-height: 0;
  }

  /* SCENARIO */

  .scenario-toolbar {
    flex-wrap: wrap;

    padding: 17px;
  }

  .scenario-select {
    width: 100%;

    justify-content: space-between;
  }

  .scenario-context {
    display: block;

    padding: 23px 18px;
  }

  .scenario-context h3 {
    font-size: 23px;
  }

  .asset-state {
    margin-top: 16px;
  }

  .console-label {
    padding-inline: 13px;

    font-size: 9px;
  }

  .role-tabs button {
    min-height: 82px;

    padding: 10px 5px;

    font-size: 10px;

    overflow-wrap: anywhere;
  }

  .role-tabs button span {
    display: block;

    margin: 0 0 4px;
  }

  .stream-panel,
  .journey-panel {
    grid-template-columns: 1fr;
  }

  .stream-panel {
    padding: 28px 20px;

    gap: 29px;
  }

  .role-copy h3 {
    font-size: 24px;
  }

  .journey {
    padding: 25px 17px;
  }

  .journey-heading h3 {
    font-size: 18px;
  }

  .journey-stages {
    gap: 5px;
  }

  .journey-stages button {
    min-height: 80px;

    flex-direction: column;
    align-items: flex-start;

    padding: 9px 7px;

    font-size: 10px;
    line-height: 1.4;
  }

  .journey-panel {
    gap: 18px;

    padding-top: 25px;

    min-height: 0;
  }

  /* COMPANY */

  .company-section {
    padding-block: 61px;
  }

  .company-band {
    grid-template-columns: 1fr;

    gap: 30px;
  }

  .company-aside {
    border-left: 2px solid #49677c;

    padding: 3px 0 0 16px;
  }

  /* FOOTER */

  .footer-inner {
    flex-wrap: wrap;
  }

  .footer-brand {
    width: 164px;
    height: 44px;
  }

  .footer-links {
    width: 100%;

    order: 3;

    gap: 19px;
  }

  .footer-bottom {
    flex-direction: column;

    gap: 5px;
  }

}

/* ============================================================
   22. SMALL MOBILE
   ============================================================ */

@media (max-width: 390px) {

  .wrap {
    width: calc(100% - 30px);
  }

  .brand {
    width: 139px;
  }

  .brand img {
    width: 180px;
  }

  .header-cta {
    font-size: 10px;

    gap: 5px;
  }

  .hero h1 {
    font-size: 39px;
  }

  .visual-top > span:last-child {
    display: none;
  }

  .prototype-tabs button {
    font-size: 10px;
  }

  .prototype-tabs button span {
    display: none;
  }

  .scenario-select {
    display: block;
  }

  .scenario-select label {
    display: block;

    margin-bottom: 7px;
  }

  .scenario-select select {
    width: 100%;
  }

  .footer-inner {
    align-items: flex-start;
  }

}

/* ============================================================
   23. REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {

  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;

    transition: none !important;
  }

  .button:hover,
  .stream-card:hover {
    transform: none !important;
  }

}

/* ============================================================
   END — DRULQ INDUSTRIAL WEBSITE
   ============================================================ */

/* Minimal fallback for older browsers lacking screen blending. */
@supports not (mix-blend-mode: screen) {
  .brand {
    background: #fff;
    padding: 2px 6px;
  }
  .brand img {
    width: 100%;
    filter: none;
  }
}

/* Public release refinement: integrated logo and responsive readability */
.site-header .brand, .footer .brand { background: transparent; border: 0; box-shadow: none; padding: 0; }
.site-header .brand:focus-visible, .footer .brand:focus-visible { outline-offset: 6px; }
.prototype-note, .architecture-note, .edge-validation, .stream-footnote, .scenario-disclaimer p { font-size: max(12px, 0.75rem); }
.hero-note, .footer-bottom, .node-index { font-size: max(11px, 0.7rem); }
@media (max-width: 700px) { .hero-note { align-items: flex-start; } .brand { flex-shrink: 0; } }

/* Keep original blue artwork after the white background is removed. */
.brand img.logo-processed { filter: none; mix-blend-mode: normal; }