:root {
  --ink: #101316;
  --ink-soft: #1b2024;
  --steel: #8a949a;
  --paper: #f2f1ed;
  --paper-deep: #e5e5e0;
  --surface: #fafaf8;
  --white: #ffffff;
  --muted: #535b61;
  --line: #cdd1d1;
  --line-dark: rgba(255, 255, 255, 0.16);
  --accent: #f5ad22;
  --accent-bright: #ffc13f;
  --accent-text: #6c4700;
  --shell: 1220px;
  --header-height: 78px;
  --radius: 2px;
  --shadow: 0 22px 60px rgba(16, 19, 22, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

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

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

ul,
ol {
  margin-top: 0;
}

::selection {
  color: var(--ink);
  background: var(--accent);
}

:focus-visible {
  outline: 3px solid var(--white);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px var(--ink);
}

section[id] {
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.shell {
  width: min(calc(100% - 3rem), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: -5rem;
  left: 1rem;
  z-index: 999;
  padding: 0.75rem 1rem;
  color: var(--ink);
  background: var(--accent);
  border-radius: var(--radius);
  font-weight: 800;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(16, 19, 22, 0.14);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  width: 218px;
  flex: 0 0 auto;
}

.brand img {
  width: 100%;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 2rem);
}

.site-nav a {
  font-size: 0.87rem;
  font-weight: 750;
  letter-spacing: 0.025em;
  text-decoration: none;
}

.site-nav a:not(.nav-cta) {
  padding: 0.6rem 0;
  border-bottom: 1px solid transparent;
}

.site-nav a:not(.nav-cta):hover {
  border-color: var(--ink);
}

.nav-cta {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1rem;
  color: var(--white);
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  transition: color 180ms ease, background 180ms ease;
}

.nav-cta:hover {
  color: var(--ink);
  background: var(--accent);
}

.nav-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-height));
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  background: #0c1012;
}

.hero-media,
.hero-media img,
.hero-shade,
.hero-grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media img {
  object-fit: cover;
  object-position: center;
  filter: saturate(0.62) contrast(1.06);
  transform: scale(1.01);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(5, 8, 10, 0.98) 0%, rgba(5, 8, 10, 0.91) 42%, rgba(5, 8, 10, 0.42) 78%, rgba(5, 8, 10, 0.56) 100%),
    linear-gradient(0deg, rgba(5, 8, 10, 0.96) 0%, transparent 48%);
}

.hero-grid {
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.24) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.24) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, #000 0%, #000 35%, transparent 84%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: clamp(7rem, 14vh, 10rem) 0 2.4rem;
}

.eyebrow,
.kicker {
  margin-bottom: 1rem;
  color: var(--accent-text);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.eyebrow,
.section-dark .kicker,
.sustainability .kicker,
.contact .kicker {
  color: var(--accent);
}

.hero h1 {
  max-width: 940px;
  margin-bottom: 0;
  font-size: clamp(3rem, 6.6vw, 6rem);
  font-weight: 780;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.hero-lead {
  max-width: 720px;
  margin: 1.65rem 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.5;
}

.hero-support {
  max-width: 680px;
  margin: 1rem 0 0;
  padding-left: 1rem;
  color: rgba(255, 255, 255, 0.68);
  border-left: 2px solid var(--accent);
  font-size: 0.95rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.8rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

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

.button-primary {
  color: var(--ink);
  background: var(--accent);
  border-color: var(--accent);
}

.button-primary:hover {
  background: var(--accent-bright);
  border-color: var(--accent-bright);
}

.button-ghost {
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.48);
}

.button-ghost:hover {
  color: var(--ink);
  background: var(--white);
  border-color: var(--white);
}

.hero-strip {
  margin: clamp(3rem, 9vh, 5.2rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-strip li {
  min-width: 0;
  padding: 1rem 1rem 0 0;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 0.65rem;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-strip li + li {
  padding-left: 1rem;
}

.hero-strip li:last-child {
  border-right: 0;
}

.hero-strip span {
  grid-row: 1 / 3;
  color: var(--accent);
  font: 700 0.67rem/1.5 Consolas, "Courier New", monospace;
}

.hero-strip strong {
  font-size: 0.9rem;
}

.hero-strip small {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.75rem;
}

.problem-band {
  padding: 3.5rem 0;
  background: var(--paper-deep);
  border-bottom: 1px solid var(--line);
}

.problem-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.problem-layout h2 {
  max-width: 470px;
  margin-bottom: 0;
  font-size: clamp(1.65rem, 3vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.problem-statements {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid #9fa5a7;
  border-left: 1px solid #9fa5a7;
  list-style: none;
}

.problem-statements li {
  min-height: 105px;
  padding: 1.1rem;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.28);
  border-right: 1px solid #9fa5a7;
  border-bottom: 1px solid #9fa5a7;
  font-size: 0.92rem;
  font-weight: 680;
}

.section {
  padding: clamp(5.5rem, 10vw, 8.5rem) 0;
}

.section-heading h2,
.system-intro h2,
.ecosystem-copy h2,
.sustainability-copy h2 {
  max-width: 920px;
  margin-bottom: 0;
  font-size: clamp(2.35rem, 4.7vw, 4.65rem);
  font-weight: 760;
  letter-spacing: -0.05em;
  line-height: 1.02;
}

.section-subtitle {
  max-width: 740px;
  margin: 1.3rem 0 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.section-heading.light .section-subtitle {
  color: rgba(255, 255, 255, 0.67);
}

.section-dark {
  color: var(--white);
  background: var(--ink);
}

.about {
  background: var(--surface);
}

.about-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start;
}

.about-copy {
  padding-top: 2rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.about-copy .statement {
  color: var(--ink);
  font-size: clamp(1.3rem, 2.2vw, 1.85rem);
  font-weight: 730;
  line-height: 1.35;
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.mission-panel {
  grid-column: 1 / -1;
  margin-top: 1rem;
  padding: clamp(1.6rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 0.35fr 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  color: var(--white);
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    var(--ink-soft);
  background-size: 42px 42px;
  border-top: 3px solid var(--accent);
}

.panel-index,
.cap-no,
.challenge-no,
.efficiency-header span,
.network-note span {
  color: var(--accent);
  font: 700 0.7rem/1.5 Consolas, "Courier New", monospace;
  letter-spacing: 0.12em;
}

.mission-panel h3 {
  margin-bottom: 0;
  font-size: clamp(1.5rem, 2.8vw, 2.5rem);
  line-height: 1.12;
}

.mission-panel p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.7);
}

.mission-panel .mission-line {
  color: var(--white);
  font-weight: 700;
}

.capability-grid {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.cap-card {
  min-height: 455px;
  padding: clamp(1.5rem, 2.5vw, 2.1rem);
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  transition: background 180ms ease;
}

.cap-card:hover {
  background: rgba(255, 255, 255, 0.045);
}

.cap-card h3 {
  margin: 2.4rem 0 0.9rem;
  font-size: 1.4rem;
  line-height: 1.15;
}

.cap-card p {
  color: rgba(255, 255, 255, 0.68);
}

.cap-card ul {
  margin: 1.25rem 0 0;
  padding: 1rem 0 0;
  color: rgba(255, 255, 255, 0.77);
  border-top: 1px solid var(--line-dark);
  list-style: none;
  font-size: 0.83rem;
}

.cap-card li {
  position: relative;
  padding: 0.25rem 0 0.25rem 1rem;
}

.cap-card li::before {
  position: absolute;
  top: 0.78rem;
  left: 0;
  width: 5px;
  height: 1px;
  background: var(--accent);
  content: "";
}

.system-thinking {
  background: var(--paper);
}

.system-intro {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start;
}

.system-copy {
  padding-top: 2rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.system-copy p:last-child {
  margin-bottom: 0;
}

.engineering-flow {
  margin: 4.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border-top: 1px solid #aeb3b4;
  border-left: 1px solid #aeb3b4;
  list-style: none;
}

.engineering-flow li {
  position: relative;
  min-height: 150px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.28);
  border-right: 1px solid #aeb3b4;
  border-bottom: 1px solid #aeb3b4;
}

.engineering-flow li::after {
  position: absolute;
  top: 50%;
  right: -8px;
  z-index: 2;
  width: 15px;
  height: 15px;
  background: var(--paper);
  border-top: 1px solid #8e9597;
  border-right: 1px solid #8e9597;
  transform: translateY(-50%) rotate(45deg);
  content: "";
}

.engineering-flow li:last-child {
  color: var(--ink);
  background: var(--accent);
}

.engineering-flow li:last-child::after {
  display: none;
}

.engineering-flow span {
  color: var(--accent-text);
  font: 700 0.67rem/1.5 Consolas, "Courier New", monospace;
}

.engineering-flow li:last-child span {
  color: var(--ink);
}

.engineering-flow strong {
  font-size: 0.84rem;
  line-height: 1.25;
}

.system-notes {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
}

.system-note {
  padding: 2rem;
  background: var(--surface);
  border-left: 3px solid var(--ink);
}

.system-note > span {
  color: var(--accent-text);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.system-note h3 {
  margin: 1.5rem 0 0.6rem;
  font-size: 1.45rem;
  line-height: 1.2;
}

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

.sustainability {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    #202529;
  background-size: 54px 54px;
}

.sustainability::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 34%;
  height: 4px;
  background: var(--accent);
  content: "";
}

.sustainability-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.sustainability-copy > p:not(.kicker) {
  color: rgba(255, 255, 255, 0.7);
}

.sustainability-copy h2 {
  margin-bottom: 1.6rem;
}

.sustainability-copy .sustainability-purpose {
  margin-top: 1.8rem;
  padding-left: 1rem;
  color: var(--white);
  border-left: 2px solid var(--accent);
  font-weight: 650;
}

.efficiency-panel {
  background: rgba(7, 9, 11, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.efficiency-header {
  padding: 1.2rem 1.4rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.efficiency-header strong {
  font-size: 0.86rem;
}

.efficiency-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.efficiency-list li {
  padding: 1rem 1.4rem;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 0.7rem;
  color: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.9rem;
}

.efficiency-list li:last-child {
  border-bottom: 0;
}

.efficiency-list span {
  color: var(--accent);
  font: 700 0.68rem/1.6 Consolas, "Courier New", monospace;
}

.industries {
  background: var(--surface);
}

.industry-grid {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.industry-card {
  min-width: 0;
  padding: 2rem;
  background: var(--white);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.industry-mark {
  position: relative;
  height: 100px;
  margin: -2rem -2rem 2rem;
  overflow: hidden;
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(16, 19, 22, 0.08) 50%, transparent 50.2%),
    linear-gradient(rgba(16, 19, 22, 0.08) 1px, transparent 1px);
  background-size: 100% 100%, 100% 20px;
  border-bottom: 1px solid var(--line);
}

.industry-mark::before,
.industry-mark::after {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid #858e92;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  content: "";
}

.industry-mark::before {
  width: 78px;
  height: 78px;
}

.industry-mark::after {
  width: 40px;
  height: 40px;
  background: var(--paper);
}

.industry-mark span {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  transform: translate(-50%, -50%);
  font: 700 0.68rem/1 Consolas, "Courier New", monospace;
}

.tag {
  margin-bottom: 0.75rem;
  color: var(--accent-text);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.industry-card h3 {
  margin-bottom: 1rem;
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  line-height: 1.12;
}

.industry-card > p:not(.tag) {
  color: var(--muted);
}

.priority-list {
  margin: 1.5rem 0 0;
  padding: 1.2rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  border-top: 1px solid var(--line);
  list-style: none;
  font-size: 0.76rem;
  font-weight: 750;
}

.priority-list li::before {
  margin-right: 0.45rem;
  color: var(--accent-text);
  content: "+";
}

.ecosystem-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(3rem, 7vw, 7rem);
  align-items: start;
}

.ecosystem-copy > p:not(.kicker) {
  max-width: 590px;
  margin-top: 1.5rem;
  color: rgba(255, 255, 255, 0.68);
}

.network-note {
  margin-top: 3rem;
  padding: 1.4rem;
  border: 1px solid var(--line-dark);
  border-left: 3px solid var(--accent);
}

.network-note p {
  margin: 0.7rem 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
}

.know-how-list {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
  list-style: none;
}

.know-how-list li {
  position: relative;
  min-height: 58px;
  padding: 0.85rem 0.85rem 0.85rem 2.1rem;
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.78);
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  font-size: 0.82rem;
}

.know-how-list li::before {
  position: absolute;
  left: 0.9rem;
  width: 6px;
  height: 6px;
  background: var(--accent);
  content: "";
}

.challenges {
  background: var(--paper-deep);
}

.confidentiality {
  padding-left: 1rem;
  border-left: 2px solid var(--accent-text);
  font-size: 0.93rem;
}

.challenge-grid {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: #bfc4c4;
  border: 1px solid #bfc4c4;
}

.challenge-card {
  min-height: 330px;
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  background: var(--surface);
}

.challenge-no {
  color: var(--accent-text);
}

.challenge-card h3 {
  margin: 2.4rem 0 0.8rem;
  font-size: 1.35rem;
  line-height: 1.18;
}

.challenge-card p {
  color: var(--muted);
  font-size: 0.9rem;
}

.tag-list {
  margin: auto 0 0;
  padding: 1.1rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  border-top: 1px solid var(--line);
  list-style: none;
}

.tag-list li {
  padding: 0.3rem 0.45rem;
  background: var(--paper-deep);
  border: 1px solid #c7cbcb;
  font-size: 0.67rem;
  font-weight: 750;
}

.approach {
  background: var(--surface);
}

.approach-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.process-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.process-list li {
  padding: 1.4rem 0;
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
}

.process-list > li > span {
  color: var(--accent-text);
  font: 700 0.72rem/1.6 Consolas, "Courier New", monospace;
  letter-spacing: 0.1em;
}

.process-list h3 {
  margin-bottom: 0;
  font-size: 1.3rem;
}

.process-list p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.why {
  background: #dfe2e1;
}

.why-grid {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #a9b0b0;
  border-left: 1px solid #a9b0b0;
}

.why-item {
  min-height: 240px;
  padding: 1.6rem;
  border-right: 1px solid #a9b0b0;
  border-bottom: 1px solid #a9b0b0;
}

.why-item > span {
  color: var(--accent-text);
  font: 700 0.7rem/1.5 Consolas, "Courier New", monospace;
}

.why-item h3 {
  margin: 2.4rem 0 0.65rem;
  font-size: 1.25rem;
}

.why-item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.contact {
  position: relative;
  color: var(--white);
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    #0e1113;
  background-size: 56px 56px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.contact-intro h2 {
  max-width: 650px;
  margin-bottom: 1.5rem;
  font-size: clamp(2.7rem, 5vw, 5rem);
  font-weight: 760;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.contact-intro > p:not(.kicker):not(.contact-prompt) {
  max-width: 560px;
  color: rgba(255, 255, 255, 0.68);
}

.contact-prompt {
  margin-top: 2rem;
  font-weight: 750;
}

.email-link {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--accent);
  font-size: clamp(1.25rem, 2.6vw, 2rem);
  font-weight: 750;
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
}

.email-link:hover {
  color: var(--accent-bright);
}

.contact-note {
  margin-top: 3rem;
  padding-top: 1.2rem;
  display: grid;
  gap: 0.2rem;
  border-top: 1px solid var(--line-dark);
  font-style: normal;
}

.contact-note strong {
  font-size: 1.02rem;
}

.contact-note span {
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.82rem;
}

.contact-form {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.8rem);
  color: var(--ink);
  background: var(--white);
  border-top: 4px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-form > label,
.form-grid label {
  display: grid;
  gap: 0.42rem;
  margin-bottom: 1rem;
}

.contact-form label > span {
  font-size: 0.8rem;
  font-weight: 780;
}

.contact-form label small {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 500;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 1rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 0.85rem;
  color: var(--ink);
  background: #f8f8f6;
  border: 1px solid #aeb4b6;
  border-radius: 0;
  outline: none;
}

.contact-form textarea {
  min-height: 165px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px var(--ink);
}

.contact-form .button {
  width: 100%;
  border: 0;
}

.form-small {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.5;
  text-align: center;
}

.form-small a {
  font-weight: 750;
}

.form-guidance {
  margin: 0 0 1.4rem;
  padding: 0.85rem 1rem;
  color: #3f474c;
  background: #f2f1ed;
  border-left: 3px solid var(--accent-text);
  font-size: 0.76rem;
  line-height: 1.5;
}

.honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.site-footer {
  padding: 2.2rem 0;
  background: var(--white);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 205px 1fr auto;
  gap: 1.5rem 2.5rem;
  align-items: center;
}

.footer-brand img {
  width: 100%;
  height: auto;
}

.footer-grid p,
.footer-links {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.footer-links {
  display: flex;
  gap: 0.7rem 1.2rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.footer-links a {
  font-weight: 700;
}

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

.copyright {
  grid-column: 2 / -1;
}

.reveal-ready .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 560ms ease, transform 560ms ease;
}

.reveal-ready .reveal.is-visible {
  opacity: 1;
  transform: none;
}

.thanks-page,
.error-page {
  min-height: 100svh;
  color: var(--white);
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    var(--ink);
  background-size: 56px 56px;
}

.thanks,
.error-main {
  min-height: 100svh;
  padding: 2rem;
  display: grid;
  place-items: center;
}

.thanks-card,
.error-card {
  width: min(700px, 100%);
  padding: clamp(1.5rem, 5vw, 4rem);
  background: var(--ink-soft);
  border-top: 4px solid var(--accent);
}

.thanks-logo,
.error-logo {
  width: min(260px, 70%);
  margin-bottom: clamp(3rem, 8vw, 6rem);
  padding: 0.8rem 1rem;
  background: var(--white);
}

.thanks-card h1,
.error-card h1 {
  margin-bottom: 1.2rem;
  font-size: clamp(2.6rem, 7vw, 5rem);
  letter-spacing: -0.05em;
  line-height: 1;
}

.thanks-card > p:not(.kicker),
.error-card > p:not(.kicker) {
  max-width: 540px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 1.05rem;
}

.thanks-card .button,
.error-card .button {
  margin-top: 1rem;
}

.legal-page {
  min-height: 100svh;
  background: var(--paper);
}

.legal-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.legal-nav {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.legal-back {
  font-size: 0.84rem;
  font-weight: 750;
}

.legal-main {
  padding: clamp(4rem, 9vw, 7rem) 0;
}

.legal-content {
  max-width: 820px;
}

.legal-content h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.8rem, 6vw, 5.4rem);
  letter-spacing: -0.055em;
  line-height: 1;
}

.legal-updated {
  margin-bottom: 3rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.legal-content section {
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}

.legal-content h2 {
  margin-bottom: 0.8rem;
  font-size: 1.35rem;
}

.legal-content p,
.legal-content li {
  color: var(--muted);
}

.legal-content a {
  color: var(--ink);
  font-weight: 700;
}

@media (max-width: 1040px) {
  .capability-grid,
  .challenge-grid,
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .industry-card {
    display: grid;
    grid-template-columns: 150px 1fr 1.2fr;
    gap: 0 1.5rem;
    align-items: start;
  }

  .industry-mark {
    grid-row: 1 / 5;
    height: 100%;
    min-height: 220px;
    margin: -2rem 0 -2rem -2rem;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .industry-card .tag,
  .industry-card h3 {
    grid-column: 2;
  }

  .industry-card > p:not(.tag),
  .industry-card .priority-list {
    grid-column: 3;
  }

  .industry-card .priority-list {
    margin-top: 0;
  }

  .engineering-flow {
    grid-template-columns: repeat(4, 1fr);
  }

  .engineering-flow li:nth-child(4)::after {
    display: none;
  }
}

@media (max-width: 900px) {
  .nav-wrap {
    min-height: var(--header-height);
    flex-wrap: wrap;
    gap: 0.6rem 1rem;
    padding: 0.75rem 0;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }

  .nav-enhanced .nav-wrap {
    flex-wrap: nowrap;
    padding: 0;
  }

  .nav-enhanced .nav-toggle {
    width: 46px;
    height: 46px;
    display: grid;
    place-content: center;
    gap: 5px;
    padding: 0;
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
  }

  .nav-enhanced .nav-toggle span {
    width: 24px;
    height: 2px;
    display: block;
    background: var(--ink);
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .nav-enhanced .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-enhanced .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .nav-enhanced .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-enhanced .site-nav {
    position: absolute;
    top: var(--header-height);
    right: 0;
    left: 0;
    width: auto;
    display: none;
    padding: 1rem 1.5rem 1.4rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 40px rgba(16, 19, 22, 0.12);
    max-height: calc(100dvh - var(--header-height));
    overflow-y: auto;
  }

  .nav-enhanced .site-nav.is-open {
    display: flex;
  }

  .nav-enhanced .site-nav a {
    min-height: 48px;
    display: flex;
    align-items: center;
    padding: 0.7rem;
  }

  .nav-enhanced .site-nav .nav-cta {
    margin-top: 0.5rem;
    justify-content: center;
  }

  html:not(.nav-enhanced) .site-header {
    position: relative;
  }

  .hero {
    min-height: 780px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(5, 8, 10, 0.96) 0%, rgba(5, 8, 10, 0.82) 70%, rgba(5, 8, 10, 0.65) 100%),
      linear-gradient(0deg, rgba(5, 8, 10, 0.95) 0%, transparent 60%);
  }

  .problem-layout,
  .about-layout,
  .system-intro,
  .sustainability-layout,
  .ecosystem-layout,
  .approach-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .about-copy,
  .system-copy {
    padding-top: 0;
  }

  .mission-panel {
    grid-template-columns: 0.28fr 1fr;
  }

  .mission-panel p {
    grid-column: 2;
  }

  .system-notes {
    grid-template-columns: 1fr;
  }

  .approach-layout .section-heading {
    max-width: 720px;
  }

  .footer-grid {
    grid-template-columns: 190px 1fr;
  }

  .copyright {
    grid-column: 2;
  }
}

@media (max-width: 700px) {
  .shell {
    width: min(calc(100% - 1.5rem), var(--shell));
  }

  .brand {
    width: 184px;
  }

  .site-nav {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 0.35rem 1rem;
  }

  .site-nav .nav-cta {
    width: 100%;
    justify-content: center;
  }

  .hero {
    min-height: 760px;
  }

  .hero-media img {
    object-position: 64% center;
  }

  .hero-shade {
    background: linear-gradient(0deg, rgba(5, 8, 10, 0.98) 0%, rgba(5, 8, 10, 0.88) 58%, rgba(5, 8, 10, 0.58) 100%);
  }

  .hero-content {
    padding-top: 6rem;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 13vw, 4.4rem);
  }

  .hero-lead {
    font-size: 1rem;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-strip {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 2.8rem;
  }

  .hero-strip li:nth-child(2) {
    border-right: 0;
  }

  .hero-strip li:nth-child(n + 3) {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
  }

  .hero-strip li:nth-child(3) {
    padding-left: 0;
  }

  .problem-statements,
  .capability-grid,
  .challenge-grid,
  .why-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .problem-statements li {
    min-height: 80px;
  }

  .mission-panel {
    grid-template-columns: 1fr;
  }

  .mission-panel p {
    grid-column: auto;
  }

  .cap-card {
    min-height: auto;
  }

  .engineering-flow {
    grid-template-columns: 1fr;
  }

  .engineering-flow li {
    min-height: 100px;
  }

  .engineering-flow li::after {
    top: auto;
    right: 50%;
    bottom: -8px;
    transform: translateX(50%) rotate(135deg);
  }

  .engineering-flow li:nth-child(4)::after {
    display: block;
  }

  .engineering-flow li:last-child::after {
    display: none;
  }

  .industry-card {
    display: block;
  }

  .industry-mark {
    height: 100px;
    min-height: 0;
    margin: -2rem -2rem 2rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .industry-card .priority-list {
    margin-top: 1.5rem;
  }

  .know-how-list {
    grid-template-columns: 1fr;
  }

  .challenge-card {
    min-height: 300px;
  }

  .why-item {
    min-height: auto;
  }

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

  .footer-brand {
    width: 190px;
  }

  .footer-links,
  .copyright {
    grid-column: auto;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .thanks,
  .error-main {
    padding: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal-ready .reveal,
  .reveal-ready .reveal.is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .button,
  .nav-toggle span {
    transition: none;
  }
}