:root {
  --font-geist-sans: Arial, Helvetica, sans-serif;
  --font-geist-mono: "Courier New", Courier, monospace;
  --navy: #071b2b;
  --navy-2: #0b2438;
  --navy-3: #0f2d43;
  --cyan: #2ccce4;
  --cyan-soft: #8fa8b8;
  --white: #f7f5ef;
  --paper: #f0eee8;
  --ink: #0a2030;
  --muted: #688090;
  --line: rgba(44, 204, 228, 0.24);
  --shell: min(1320px, calc(100vw - 72px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-geist-sans), Arial, Helvetica, sans-serif;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 11px 16px;
  color: var(--navy);
  background: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

section[id],
footer[id] {
  scroll-margin-top: 18px;
}

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

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.hero {
  min-height: 100vh;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(44, 204, 228, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(44, 204, 228, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 72% 22%, rgba(22, 113, 145, 0.22), transparent 32%),
    var(--navy);
  background-size: 80px 80px, 80px 80px, auto, auto;
}

.site-header {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(143, 168, 184, 0.24);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.06em;
}

nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

nav a {
  position: relative;
  padding: 32px 0 29px;
  color: #c7d3da;
  font-size: 14px;
  font-weight: 550;
  transition: color 180ms ease;
}

nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -1px;
  height: 2px;
  background: var(--cyan);
  transition: right 180ms ease;
}

nav a:hover,
nav a:focus-visible,
nav a.active {
  color: var(--white);
}

nav a:hover::after,
nav a:focus-visible::after,
nav a.active::after {
  right: 0;
}

.hero-main {
  min-height: calc(100vh - 232px);
  display: grid;
  grid-template-columns: 42% 58%;
  align-items: center;
}

.hero-copy {
  z-index: 2;
  padding: 66px 28px 66px 0;
  animation: rise-in 600ms ease both;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(54px, 5vw, 78px);
  line-height: 0.98;
  letter-spacing: -0.055em;
  font-weight: 670;
}

.hero-positioning {
  max-width: 660px;
  margin-bottom: 18px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.7;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-positioning span {
  margin-inline: 5px;
  color: #7793a2;
}

.hero-tagline {
  max-width: 620px;
  margin-bottom: 14px;
  color: var(--white);
  font-size: clamp(18px, 1.5vw, 22px);
  font-weight: 570;
  line-height: 1.45;
}

.hero-lede {
  max-width: 560px;
  margin-bottom: 28px;
  color: #c6d1d7;
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
}

.button {
  min-height: 52px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  border: 1px solid var(--cyan);
  font-size: 14px;
  font-weight: 650;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.button-primary {
  color: var(--navy);
  background: var(--cyan);
}

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

.button-primary:hover,
.button-primary:focus-visible {
  color: var(--white);
  background: transparent;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #d9e2e7;
  font-size: 14px;
}

.text-link span {
  color: var(--cyan);
  transition: transform 180ms ease;
}

.text-link:hover span {
  transform: translate(3px, -3px);
}

.controls-visual {
  position: relative;
  height: min(610px, calc(100vh - 190px));
  min-height: 500px;
  border-left: 1px solid var(--line);
  overflow: hidden;
  animation: fade-in 900ms 100ms ease both;
}

.controls-visual::before,
.controls-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.controls-visual::before {
  background-image: radial-gradient(circle, rgba(44, 204, 228, 0.22) 1px, transparent 1px);
  background-size: 18px 18px;
  mask-image: linear-gradient(to left, #000 20%, transparent 82%);
}

.controls-visual::after {
  background: linear-gradient(90deg, var(--navy) 0%, transparent 12%, transparent 87%, var(--navy) 100%);
}

.visual-label {
  position: absolute;
  z-index: 3;
  color: var(--cyan);
  font: 600 10px/1 var(--font-geist-mono), monospace;
  letter-spacing: 0.16em;
}

.visual-label-top {
  top: 22px;
  right: 22px;
}

.wbs-panel,
.schedule-panel,
.risk-panel {
  position: absolute;
  z-index: 2;
  color: #a7bfcb;
  font-family: var(--font-geist-mono), monospace;
}

.panel-title {
  display: block;
  margin-bottom: 16px;
  color: var(--cyan);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.wbs-panel {
  top: 74px;
  left: 48px;
  width: 72%;
}

.wbs-root {
  width: 154px;
  margin: 0 auto 25px;
  padding: 10px;
  border: 1px solid rgba(44, 204, 228, 0.8);
  color: #d7e9ee;
  text-align: center;
  font-size: 10px;
}

.wbs-line {
  position: absolute;
  top: 76px;
  left: 10%;
  width: 80%;
  height: 22px;
  border-top: 1px solid rgba(143, 168, 184, 0.5);
  border-left: 1px solid rgba(143, 168, 184, 0.5);
  border-right: 1px solid rgba(143, 168, 184, 0.5);
}

.wbs-line::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 100%;
  height: 24px;
  border-left: 1px solid rgba(143, 168, 184, 0.5);
}

.wbs-nodes {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  text-align: center;
}

.wbs-nodes span {
  position: relative;
  font-size: 9px;
  line-height: 1.7;
}

.wbs-nodes span::before {
  content: "";
  display: block;
  width: 5px;
  height: 5px;
  margin: 0 auto 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

.wbs-nodes b {
  color: #dbe7eb;
  font-size: 8px;
  font-weight: 500;
}

.schedule-panel {
  top: 282px;
  left: 48px;
  width: 60%;
  padding: 16px;
  border: 1px solid rgba(143, 168, 184, 0.2);
  background: rgba(7, 27, 43, 0.42);
}

.schedule-row {
  height: 29px;
  display: grid;
  grid-template-columns: 108px 1fr;
  align-items: center;
  border-top: 1px solid rgba(143, 168, 184, 0.17);
  font-size: 7px;
  text-transform: uppercase;
}

.schedule-row i {
  width: calc(34% + (var(--row) * 8%));
  height: 4px;
  margin-left: calc(var(--row) * 10%);
  display: block;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(44, 204, 228, 0.4);
}

.schedule-row i.row-0 { --row: 0; }
.schedule-row i.row-1 { --row: 1; }
.schedule-row i.row-2 { --row: 2; }
.schedule-row i.row-3 { --row: 3; }
.schedule-row i.row-4 { --row: 4; }

.timeline {
  margin: 8px 0 0 108px;
  display: flex;
  justify-content: space-between;
  color: #6f8a98;
  font-size: 7px;
}

.risk-panel {
  right: 28px;
  bottom: 70px;
  width: 150px;
  padding: 14px;
  border: 1px solid rgba(143, 168, 184, 0.24);
  background: rgba(7, 27, 43, 0.72);
}

.risk-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 11px;
}

.risk-grid i {
  width: 13px;
  height: 13px;
  display: block;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.risk-grid .good { background: #64a75a; }
.risk-grid .warn { background: #e0b234; }
.risk-grid .risk { background: #c94141; }

.building-lines {
  position: absolute;
  z-index: 1;
  right: -40px;
  bottom: 20px;
  width: 50%;
  height: 56%;
  border: 1px solid rgba(44, 204, 228, 0.18);
  transform: skewY(-7deg);
}

.building-lines i {
  position: absolute;
  inset: 0 auto 0 calc(var(--i, 1) * 14%);
  border-left: 1px solid rgba(44, 204, 228, 0.2);
}

.building-lines i:nth-child(1) { --i: 1; }
.building-lines i:nth-child(2) { --i: 2; }
.building-lines i:nth-child(3) { --i: 3; }
.building-lines i:nth-child(4) { --i: 4; }
.building-lines i:nth-child(5) { --i: 5; }
.building-lines i:nth-child(6) { --i: 6; }

.metrics {
  min-height: 148px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(143, 168, 184, 0.24);
}

.metric {
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid rgba(143, 168, 184, 0.24);
}

.metric:first-child { padding-left: 0; }
.metric:last-child { border-right: 0; }

.metric strong {
  color: var(--white);
  font-size: clamp(28px, 3vw, 46px);
  line-height: 1;
  letter-spacing: -0.04em;
}

.metric span {
  margin-top: 10px;
  color: #8da4b0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section {
  padding: 120px 0;
}

.section-heading {
  margin-bottom: 58px;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 80px;
  align-items: end;
}

.section-heading h2,
footer h2 {
  margin-bottom: 0;
  font-size: clamp(42px, 4.6vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.055em;
  font-weight: 650;
}

.section-heading > p {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.section-intro h2,
.system-hero h2 {
  margin-bottom: 0;
  font-size: clamp(42px, 4.6vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.055em;
  font-weight: 650;
}

.about {
  background: #f8f7f2;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 11vw;
  align-items: start;
}

.section-intro {
  position: sticky;
  top: 48px;
}

.about-copy {
  padding-top: 4px;
}

.about-copy > p {
  margin-bottom: 25px;
  color: #546d7b;
  font-size: 18px;
  line-height: 1.8;
}

.about-copy .about-emphasis {
  margin: 38px 0 0;
  padding: 28px 0 0 28px;
  border-top: 1px solid #aebfc7;
  border-left: 3px solid var(--cyan);
  color: var(--ink);
  font-size: 22px;
  font-weight: 570;
  line-height: 1.6;
}

.impact {
  background: var(--paper);
}

.portfolio-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid #aebdc4;
  border-left: 1px solid #aebdc4;
}

.portfolio-metrics article {
  min-height: 185px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid #aebdc4;
  border-bottom: 1px solid #aebdc4;
  background: rgba(255, 255, 255, 0.28);
}

.portfolio-metrics strong {
  color: var(--navy-2);
  font-size: clamp(30px, 3.2vw, 48px);
  line-height: 1;
  letter-spacing: -0.045em;
}

.portfolio-metrics span {
  max-width: 210px;
  color: #5f7885;
  font-size: 11px;
  font-weight: 650;
  line-height: 1.5;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.impact-list {
  margin-top: 46px;
  display: grid;
  grid-template-columns: 0.75fr repeat(2, 1fr);
  border-top: 1px solid #aebdc4;
}

.impact-list-title,
.impact-list > p {
  min-height: 180px;
  margin: 0;
  padding: 28px;
  border-right: 1px solid #aebdc4;
  border-bottom: 1px solid #aebdc4;
}

.impact-list-title {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 1px solid #aebdc4;
}

.impact-list-title span {
  color: #63808e;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.impact-list-title strong {
  font-size: 31px;
  letter-spacing: -0.035em;
}

.impact-list > p {
  color: #526b78;
  font-size: 14px;
  line-height: 1.7;
}

.impact-list > p span {
  display: block;
  margin-bottom: 24px;
  color: #4b8498;
  font: 650 11px/1 var(--font-geist-mono), monospace;
}

.capabilities {
  background: #f8f7f2;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid #b7c3c8;
  border-left: 1px solid #b7c3c8;
}

.capability-card {
  min-height: 365px;
  padding: 38px;
  border-right: 1px solid #b7c3c8;
  border-bottom: 1px solid #b7c3c8;
  transition: color 220ms ease, background 220ms ease;
}

.capability-card:last-child {
  min-height: 290px;
  grid-column: 1 / -1;
}

.capability-card:hover {
  color: var(--white);
  background: var(--navy-2);
}

.capability-card h3 {
  max-width: 520px;
  margin-bottom: 24px;
  font-size: 27px;
  letter-spacing: -0.035em;
}

.capability-card ul {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
  list-style: none;
}

.capability-card li {
  position: relative;
  padding-left: 18px;
  color: #5c7480;
  font-size: 14px;
  line-height: 1.5;
}

.capability-card li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 6px;
  border-top: 1px solid var(--cyan);
}

.capability-card:hover li {
  color: #b8c8d0;
}

.journey {
  background: var(--paper);
}

.journey-list {
  position: relative;
  border-top: 1px solid #aebdc4;
}

.journey-item {
  display: grid;
  grid-template-columns: 60px 180px minmax(260px, 0.8fr) 1.2fr;
  gap: 30px;
  padding: 36px 0;
  align-items: start;
  border-bottom: 1px solid #aebdc4;
}

.journey-marker {
  position: relative;
  height: 100%;
}

.journey-marker span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid #75a3b4;
  color: #3d788d;
  font: 650 10px/1 var(--font-geist-mono), monospace;
}

.journey-period {
  margin: 7px 0 0;
  color: #647d89;
  font-size: 12px;
  line-height: 1.5;
}

.journey-role h3 {
  margin-bottom: 9px;
  font-size: 23px;
  letter-spacing: -0.03em;
}

.journey-role strong,
.journey-role span {
  display: block;
}

.journey-role strong {
  color: #3d6677;
  font-size: 13px;
}

.journey-role span {
  margin-top: 6px;
  color: #7c9099;
  font-size: 12px;
}

.journey-text {
  margin: 2px 0 0;
  color: #5d7480;
  font-size: 14px;
  line-height: 1.75;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid #b7c3c8;
  border-left: 1px solid #b7c3c8;
}

.expertise-card {
  min-height: 324px;
  padding: 38px;
  border-right: 1px solid #b7c3c8;
  border-bottom: 1px solid #b7c3c8;
  transition: color 220ms ease, background 220ms ease;
}

.expertise-card:hover {
  color: var(--white);
  background: var(--navy-2);
}

.card-number {
  display: block;
  margin-bottom: 50px;
  color: #648b9d;
  font-family: var(--font-geist-mono), monospace;
  font-size: 11px;
}

.expertise-card h3 {
  margin-bottom: 16px;
  font-size: 26px;
  letter-spacing: -0.03em;
}

.expertise-card > p {
  max-width: 530px;
  margin-bottom: 28px;
  color: #657985;
  line-height: 1.75;
}

.expertise-card:hover > p { color: #b8c8d0; }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tags span {
  padding: 8px 10px;
  border: 1px solid #bdc8cd;
  color: #4f6c7a;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.expertise-card:hover .tags span {
  border-color: rgba(44, 204, 228, 0.36);
  color: var(--cyan);
}

.achievement-strip {
  margin-top: 42px;
  padding: 28px 0;
  display: grid;
  grid-template-columns: 0.75fr repeat(3, 1fr);
  align-items: center;
  border-top: 1px solid #b7c3c8;
  border-bottom: 1px solid #b7c3c8;
}

.achievement-strip > p {
  margin: 0;
  color: #63808e;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.achievement-strip div {
  padding-left: 26px;
  border-left: 1px solid #b7c3c8;
}

.achievement-strip strong,
.achievement-strip span { display: block; }
.achievement-strip strong { font-size: 28px; }
.achievement-strip span { margin-top: 5px; color: var(--muted); font-size: 12px; }

.projects {
  color: var(--white);
  background: var(--navy);
}

.projects-heading > p { color: #9db0ba; }

.project-list {
  border-top: 1px solid rgba(143, 168, 184, 0.28);
}

.project-card {
  padding: 34px 0;
  display: grid;
  grid-template-columns: 90px 1fr 1.2fr 130px;
  gap: 30px;
  align-items: center;
  border-bottom: 1px solid rgba(143, 168, 184, 0.28);
  transition: padding 200ms ease, background 200ms ease;
}

.project-card:hover {
  padding-inline: 20px;
  background: var(--navy-2);
}

.project-code {
  color: var(--cyan);
  font: 600 11px/1 var(--font-geist-mono), monospace;
}

.project-title p {
  margin-bottom: 9px;
  color: var(--cyan-soft);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.project-title h3 {
  margin-bottom: 7px;
  font-size: 24px;
  letter-spacing: -0.025em;
}

.project-title span,
.project-scope {
  color: #93a8b2;
  font-size: 13px;
}

.project-scope {
  margin: 0;
  line-height: 1.65;
}

.project-value {
  color: var(--cyan);
  font-size: 20px;
  text-align: right;
}

.confidentiality-note {
  margin: 42px 0 0;
  padding: 24px 28px;
  border: 1px solid rgba(143, 168, 184, 0.26);
  color: #87a0ac;
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.025em;
}

.system {
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(44, 204, 228, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(44, 204, 228, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 82% 12%, rgba(35, 124, 156, 0.22), transparent 28%),
    var(--navy-2);
  background-size: 80px 80px, 80px 80px, auto, auto;
}

.system-hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 80px;
  align-items: end;
}

.system-hero > p {
  margin-bottom: 5px;
  color: #a8bac3;
  font-size: 17px;
  line-height: 1.75;
}

.system-context {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid rgba(143, 168, 184, 0.28);
}

.system-context article {
  min-height: 210px;
  padding: 34px;
}

.system-context article + article {
  border-left: 1px solid rgba(143, 168, 184, 0.28);
}

.system-context span {
  display: block;
  margin-bottom: 28px;
  color: var(--cyan);
  font: 650 10px/1 var(--font-geist-mono), monospace;
  letter-spacing: 0.14em;
}

.system-context p {
  margin: 0;
  color: #a8bac3;
  font-size: 14px;
  line-height: 1.75;
}

.system-value {
  background: rgba(44, 204, 228, 0.045);
}

.system-grid {
  margin-top: 38px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(143, 168, 184, 0.28);
  border-left: 1px solid rgba(143, 168, 184, 0.28);
}

.system-grid article {
  min-height: 260px;
  padding: 30px;
  border-right: 1px solid rgba(143, 168, 184, 0.28);
  border-bottom: 1px solid rgba(143, 168, 184, 0.28);
  background: rgba(7, 27, 43, 0.34);
}

.system-grid article > span {
  display: block;
  margin-bottom: 45px;
  color: var(--cyan);
  font: 650 10px/1 var(--font-geist-mono), monospace;
}

.system-grid h3 {
  margin-bottom: 14px;
  font-size: 21px;
  letter-spacing: -0.025em;
}

.system-grid p {
  margin: 0;
  color: #8fa5b0;
  font-size: 13px;
  line-height: 1.7;
}

.system-actions {
  margin-top: 38px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 34px;
  align-items: center;
}

.system-actions > p {
  max-width: 760px;
  margin: 0;
  color: #78919d;
  font-size: 11px;
  line-height: 1.65;
}

.decision {
  background: #f8f7f2;
}

.decision-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid #b7c3c8;
  border-left: 1px solid #b7c3c8;
}

.decision-grid article {
  min-height: 285px;
  padding: 35px;
  border-right: 1px solid #b7c3c8;
  border-bottom: 1px solid #b7c3c8;
}

.decision-grid article > span {
  display: block;
  margin-bottom: 54px;
  color: #4f8498;
  font: 650 10px/1 var(--font-geist-mono), monospace;
}

.decision-grid h3 {
  margin-bottom: 14px;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.decision-grid p {
  max-width: 520px;
  margin: 0;
  color: #617986;
  font-size: 14px;
  line-height: 1.75;
}

.decision blockquote {
  margin: 42px 0 0;
  padding: 34px 42px;
  border-left: 4px solid var(--cyan);
  color: var(--navy-2);
  background: var(--paper);
  font-size: clamp(21px, 2.2vw, 30px);
  font-weight: 570;
  line-height: 1.5;
  letter-spacing: -0.025em;
}

footer {
  color: var(--white);
  background: var(--navy-2);
}

.contact-panel {
  min-height: 520px;
  padding: 80px 0;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 100px;
}

.contact-panel h2 { font-size: clamp(38px, 4vw, 58px); }

.contact-copy > p:last-child {
  max-width: 650px;
  margin: 28px 0 0;
  color: #93a8b2;
  font-size: 15px;
  line-height: 1.75;
}

.contact-details {
  border-top: 1px solid rgba(143, 168, 184, 0.28);
}

.contact-details > div,
.contact-details > a {
  padding: 20px 0;
  border-bottom: 1px solid rgba(143, 168, 184, 0.28);
}

.contact-details > div span,
.contact-details > div strong,
.contact-details > div p {
  display: block;
}

.contact-details > div span {
  margin-bottom: 8px;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.contact-details > div strong {
  color: #dce5e9;
  font-size: 16px;
}

.contact-details > div p {
  margin: 8px 0 0;
  color: #78909c;
  font-size: 12px;
}

.contact-details > a {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: #c6d3d9;
  font-size: 14px;
  transition: color 180ms ease, padding 180ms ease;
}

.contact-details > a span {
  color: var(--cyan);
}

.contact-details > a:hover {
  padding-left: 8px;
  color: var(--white);
}

.error-page-shell {
  min-height: 70vh;
  color: var(--white);
  background: var(--navy);
}

.error-hero {
  min-height: 70vh;
  background:
    linear-gradient(90deg, rgba(44, 204, 228, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(44, 204, 228, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 75% 25%, rgba(22, 113, 145, 0.22), transparent 32%),
    var(--navy);
  background-size: 80px 80px, 80px 80px, auto, auto;
}

.error-content {
  min-height: calc(70vh - 84px);
  padding-block: 90px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.error-content h1 {
  margin-bottom: 22px;
}

.error-content > p:not(.eyebrow) {
  max-width: 600px;
  margin-bottom: 32px;
  color: #aabcc5;
  font-size: 18px;
  line-height: 1.7;
}

.footer-bottom {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid rgba(143, 168, 184, 0.2);
  color: #78909c;
  font-size: 11px;
  letter-spacing: 0.05em;
}

@keyframes rise-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

@media (max-width: 980px) {
  :root { --shell: min(100% - 40px, 840px); }
  nav { gap: 15px; }
  nav a { font-size: 12px; }
  .hero-main { grid-template-columns: 1fr; }
  .hero-copy { padding: 70px 0 45px; }
  .controls-visual { height: 520px; min-height: auto; border-left: 0; border-top: 1px solid var(--line); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metric:nth-child(2) { border-right: 0; }
  .metric:nth-child(-n + 2) { border-bottom: 1px solid rgba(143, 168, 184, 0.24); }
  .section-heading { grid-template-columns: 1fr; gap: 26px; }
  .about-grid { grid-template-columns: 1fr; gap: 45px; }
  .section-intro { position: static; }
  .portfolio-metrics { grid-template-columns: repeat(2, 1fr); }
  .impact-list { grid-template-columns: repeat(2, 1fr); }
  .impact-list-title { grid-column: 1 / -1; min-height: 130px; }
  .journey-item { grid-template-columns: 60px 145px 1fr; }
  .journey-text { grid-column: 3; }
  .system-hero { grid-template-columns: 1fr; gap: 28px; }
  .system-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-panel { grid-template-columns: 1fr; gap: 55px; }
  .achievement-strip { grid-template-columns: 1fr 1fr; row-gap: 24px; }
  .achievement-strip > p { grid-column: 1 / -1; }
  .project-card { grid-template-columns: 70px 1fr 120px; }
  .project-scope { grid-column: 2 / 4; }
}

@media (max-width: 680px) {
  :root { --shell: calc(100% - 32px); }
  .site-header { height: 72px; }
  .brand { font-size: 11px; }
  .brand-mark { width: 32px; height: 32px; }
  nav a:not(.active) { display: none; }
  nav a { padding: 26px 0 25px; }
  h1 { font-size: clamp(46px, 13vw, 62px); }
  .hero-positioning { font-size: 10px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .controls-visual { height: 430px; }
  .wbs-panel { left: 18px; width: 90%; }
  .schedule-panel { left: 18px; width: calc(100% - 36px); }
  .risk-panel { display: none; }
  .building-lines { opacity: 0.5; }
  .metrics { min-height: auto; }
  .metric { padding: 24px 16px; }
  .metric:first-child { padding-left: 16px; }
  .metric span { font-size: 10px; }
  .section { padding: 82px 0; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2, .section-intro h2, .system-hero h2, footer h2 { font-size: 40px; }
  .about-copy > p { font-size: 16px; }
  .about-copy .about-emphasis { padding-left: 20px; font-size: 19px; }
  .portfolio-metrics { grid-template-columns: repeat(2, 1fr); }
  .portfolio-metrics article { min-height: 150px; padding: 22px 18px; }
  .portfolio-metrics span { font-size: 9px; }
  .impact-list { grid-template-columns: 1fr; }
  .impact-list-title { grid-column: auto; min-height: 120px; }
  .impact-list-title, .impact-list > p { border-left: 1px solid #aebdc4; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card, .capability-card:last-child { min-height: auto; grid-column: auto; padding: 30px 24px; }
  .capability-card .card-number { margin-bottom: 34px; }
  .journey-item { grid-template-columns: 44px 1fr; gap: 16px; }
  .journey-period, .journey-role, .journey-text { grid-column: 2; }
  .journey-period { margin-top: -32px; text-align: right; }
  .journey-role { margin-top: 14px; }
  .journey-text { margin-top: 0; }
  .expertise-grid { grid-template-columns: 1fr; }
  .expertise-card { min-height: 290px; padding: 30px 24px; }
  .card-number { margin-bottom: 36px; }
  .achievement-strip { grid-template-columns: 1fr; }
  .achievement-strip > p { grid-column: auto; }
  .achievement-strip div { padding: 18px 0 0; border-left: 0; border-top: 1px solid #b7c3c8; }
  .project-card { grid-template-columns: 54px 1fr; gap: 18px; }
  .project-scope, .project-value { grid-column: 2; }
  .project-value { text-align: left; }
  .system-context { grid-template-columns: 1fr; }
  .system-context article + article { border-left: 0; border-top: 1px solid rgba(143, 168, 184, 0.28); }
  .system-grid { grid-template-columns: 1fr; }
  .system-grid article { min-height: 230px; }
  .system-actions { grid-template-columns: 1fr; }
  .decision-grid { grid-template-columns: 1fr; }
  .decision-grid article { min-height: 250px; padding: 30px 24px; }
  .decision blockquote { padding: 28px 24px; }
  .contact-panel { min-height: 650px; align-items: start; }
  .footer-bottom { padding: 24px 0; align-items: flex-start; flex-direction: column; }
}

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