:root {
  --navy: #0a1730;
  --navy-2: #102445;
  --navy-3: #173567;
  --ink: #16233c;
  --paper: #f5f1ea;
  --mist: #dbe3e9;
  --white: #ffffff;
  --red: #ba2f45;
  --red-deep: #8f1f33;
  --line: rgba(22, 35, 60, 0.14);
  --line-light: rgba(255, 255, 255, 0.12);
  --shadow: 0 28px 76px rgba(6, 14, 28, 0.22);
  --shadow-soft: 0 16px 38px rgba(15, 35, 71, 0.08);
  --max: 1180px;
  --header-h: 76px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

a { color: inherit; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }

.skip {
  position: absolute;
  left: 18px;
  top: -48px;
  padding: 10px 14px;
  background: var(--white);
  color: var(--navy);
  z-index: 120;
}

.skip:focus { top: 16px; }

.header {
  position: sticky;
  top: 0;
  z-index: 80;
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header--dark {
  background: rgba(10, 23, 48, 0.84);
  color: var(--white);
}

.header--light {
  background: rgba(245, 241, 234, 0.92);
  color: var(--ink);
  border-bottom-color: rgba(22, 35, 60, 0.08);
}

.nav {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  min-height: var(--header-h);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
}

.wordmark {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 18px;
  padding: 0;
  margin: 0;
}

.nav a { text-decoration: none; }

.wrap {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.section-light {
  background: var(--paper);
  color: var(--ink);
}

.section-dark {
  background: linear-gradient(180deg, #102445, #09152d);
  color: var(--white);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.button:hover { transform: translateY(-1px); }

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

.button--ghost {
  border-color: rgba(255, 255, 255, 0.24);
  color: var(--white);
}

.button--secondary {
  border-color: rgba(22, 35, 60, 0.16);
  color: var(--ink);
}

.button--darkline {
  border-color: rgba(255, 255, 255, 0.22);
  color: var(--white);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.72);
}

.eyebrow--red { color: var(--red); }
.eyebrow--muted { color: rgba(22, 35, 60, 0.56); }

h1, h2, h3, h4 {
  margin: 0 0 14px;
  line-height: 0.98;
  letter-spacing: -0.04em;
}

h1 { font-size: clamp(48px, 7vw, 92px); }
h2 { font-size: clamp(36px, 4.4vw, 64px); }
h3 { font-size: clamp(22px, 2.2vw, 30px); }
h4 { font-size: 18px; }

p, li { line-height: 1.72; }

.lead {
  max-width: 670px;
  font-size: clamp(18px, 1.85vw, 22px);
}

.lead--light { color: rgba(255, 255, 255, 0.82); }
.lead--dark { color: rgba(22, 35, 60, 0.82); max-width: 740px; }

.hero {
  position: relative;
  overflow: hidden;
}

.hero--dark {
  background:
    linear-gradient(90deg, rgba(10, 23, 48, 0.9) 0, rgba(10, 23, 48, 0.88) 42%, rgba(10, 23, 48, 0.52) 62%, rgba(10, 23, 48, 0.22) 100%),
    linear-gradient(180deg, rgba(10, 23, 48, 0.06), rgba(10, 23, 48, 0.36)),
    #0a1730;
  color: var(--white);
}

.hero--dark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 120px;
  background: linear-gradient(180deg, rgba(10, 23, 48, 0), rgba(10, 23, 48, 0.96));
  pointer-events: none;
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: center;
}

.hero__copy { padding: 26px 0 14px; }

.trust-strip {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  margin-top: 32px;
}

.trust-strip--dark { background: rgba(255, 255, 255, 0.06); }
.trust-strip--dark article {
  padding: 18px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.trust-strip--dark strong {
  display: block;
  font-size: 30px;
  line-height: 1;
  margin-bottom: 7px;
}

.trust-strip--dark span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.merge-top {
  position: relative;
  margin-top: 36px;
  background: linear-gradient(180deg, transparent 0, transparent 7%, var(--paper) 7%, var(--paper) 100%);
}

.merge-top::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 110px;
  background: linear-gradient(180deg, rgba(10, 23, 48, 0.92), rgba(10, 23, 48, 0));
  pointer-events: none;
}

.section-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 28px;
  align-items: start;
}

.section-grid--case {
  grid-template-columns: 0.86fr 1.14fr;
}

.sticky {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  align-self: start;
}

.card,
.panel,
.story-card,
.quote-card,
.about-card,
.info-block,
.evidence-preview,
.result-card,
.case-spotlight,
.problem-bridge,
.relevance-list li {
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.card,
.panel,
.story-card,
.quote-card,
.about-card,
.info-block,
.evidence-preview,
.result-card,
.case-spotlight {
  background: rgba(255, 255, 255, 0.92);
}

.problem-bridge {
  padding: 24px;
  background: linear-gradient(180deg, rgba(17, 38, 76, 0.98), rgba(10, 23, 48, 0.98));
  color: var(--white);
}

.problem-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.problem-list article {
  padding: 16px 18px 16px 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  position: relative;
}

.problem-list article::before,
.case-narrative article::before,
.relevance-list li::before,
.approach-strip__stage::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 3px;
  height: 28px;
  background: var(--red);
}

.problem-list article h3,
.problem-list article p,
.case-narrative article h3,
.case-narrative article p {
  margin-left: 14px;
}

.expertise-layout {
  display: grid;
  gap: 16px;
}

.expertise-preview {
  background: linear-gradient(180deg, #11264c, #0a1730);
  color: var(--white);
  padding: 24px;
  min-height: 240px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.expertise-preview__image,
.hero-image,
.story-card__visual,
.case-study-image {
  position: relative;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.expertise-preview__line {
  width: 56px;
  height: 2px;
  background: var(--red);
  margin: 14px 0;
}

.expertise-track {
  display: grid;
  gap: 14px;
}

.expertise-step {
  padding: 22px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 96% 100%, 0 100%);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.expertise-step.is-active {
  transform: translateX(6px);
  box-shadow: 0 18px 44px rgba(15, 35, 71, 0.14);
  border-color: rgba(186, 47, 69, 0.36);
}

.expertise-step p { margin: 0; color: rgba(22, 35, 60, 0.84); }

.angled-band {
  clip-path: polygon(0 8%, 100% 0, 100% 92%, 0 100%);
  padding: 96px 0;
}

.approach-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 26px;
}

.approach-strip__stage {
  position: relative;
  padding: 24px 24px 24px 28px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.approach-strip__stage strong {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.68);
}

.procurement-line {
  margin-top: 20px;
  max-width: 780px;
  color: rgba(255,255,255,0.76);
}

.case-spotlight-wrap {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
}

.case-spotlight-hero {
  min-height: 68vh;
  background:
    linear-gradient(180deg, rgba(10, 23, 48, 0.18), rgba(10, 23, 48, 0.78)),
    url("concept-a-case-study.svg") center/cover no-repeat;
}

.case-spotlight-rise {
  position: relative;
  margin-top: -120px;
}

.case-spotlight {
  background: linear-gradient(180deg, rgba(9, 21, 45, 0.98), rgba(10, 23, 48, 0.98));
  color: var(--white);
  box-shadow: var(--shadow);
  clip-path: polygon(0 0, 100% 0, 100% 95%, 97% 100%, 0 100%);
}

.case-spotlight__grid {
  display: grid;
  grid-template-columns: 0.94fr 1.06fr;
  gap: 28px;
  align-items: start;
  padding: 44px;
}

.case-spotlight__title {
  max-width: 410px;
}

.case-narrative {
  display: grid;
  gap: 14px;
}

.case-narrative article {
  position: relative;
  padding: 20px 20px 22px 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.case-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.08);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.case-metrics article {
  padding: 24px 22px;
  background: rgba(0, 0, 0, 0.14);
}

.case-metrics strong {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 0.94;
  letter-spacing: -0.04em;
}

.case-metrics span { color: rgba(255,255,255,0.76); }

.supporting-note {
  padding: 18px 44px 34px;
  color: rgba(255,255,255,0.72);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.story-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.story-card {
  display: grid;
  grid-template-rows: 180px 1fr;
  min-height: 100%;
}

.story-card__visual {
  position: relative;
  background-image:
    linear-gradient(180deg, rgba(10,23,48,0.12), rgba(10,23,48,0.62)),
    url("concept-a-case-study.svg");
}

.story-card--placeholder .story-card__visual {
  background-image:
    linear-gradient(180deg, rgba(10,23,48,0.08), rgba(10,23,48,0.52)),
    url("concept-a-about.svg");
}

.story-card__body { padding: 20px; }

.story-card__kicker,
.sample-note,
.tiny-label {
  display: inline-block;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
  font-weight: 700;
}

.story-card__kicker,
.tiny-label { color: var(--red); }

.sample-note {
  padding: 6px 9px;
  border: 1px solid rgba(186, 47, 69, 0.24);
  color: var(--red-deep);
}

.testimonial-shell {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 22px;
  align-items: start;
}

.testimonial-pending .testimonial-shell {
  max-width: 860px;
  opacity: 0.68;
}

.testimonial-pending .quote-grid {
  display: none;
}

.testimonial-lead {
  padding: 24px;
  background: rgba(255, 255, 255, 0.04);
  border-left: 2px solid var(--red);
}

.testimonial-lead p,
.quote-card p { color: rgba(255,255,255,0.72); }

.quote-grid {
  display: grid;
  gap: 12px;
}

.quote-card {
  padding: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  align-items: start;
}

.about-card {
  padding: 16px;
  border-top: 3px solid var(--red);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.tags span {
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.78);
}

.cta {
  text-align: left;
  background:
    linear-gradient(135deg, rgba(9,21,45,0.98), rgba(9,21,45,0.92)),
    #09152d;
  color: var(--white);
}

.cta-shell {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: end;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 600;
}

input, textarea, select {
  width: 100%;
  padding: 14px;
  border: 1px solid rgba(22, 35, 60, 0.18);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
}

.full { grid-column: 1 / -1; }

.form-note {
  margin-top: 14px;
  color: rgba(22, 35, 60, 0.8);
  font-size: 15px;
}

.footer {
  padding: 30px 0 44px;
  color: rgba(255,255,255,0.68);
  font-size: 14px;
  background: #09152d;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.case-hero {
  padding: 56px 0 42px;
  background:
    linear-gradient(90deg, rgba(10,23,48,0.92) 0, rgba(10,23,48,0.86) 48%, rgba(10,23,48,0.44) 68%, rgba(10,23,48,0.12) 100%),
    linear-gradient(180deg, rgba(10,23,48,0.06), rgba(10,23,48,0.28)),
    #0a1730;
  color: var(--white);
}

.case-hero__grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 28px;
  align-items: center;
}

.case-study-image {
  min-height: 430px;
  background-image:
    linear-gradient(180deg, rgba(10,23,48,0.08), rgba(10,23,48,0.18)),
    url("concept-a-case-study.svg");
  box-shadow: 0 28px 70px rgba(6, 14, 28, 0.24);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 95% 100%, 0 100%);
}

.case-hero__metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 30px;
  background: rgba(255,255,255,0.08);
}

.case-hero__metrics article {
  padding: 20px 18px;
  background: rgba(255,255,255,0.04);
}

.case-hero__metrics strong {
  display: block;
  font-size: clamp(30px, 3.6vw, 52px);
  line-height: 0.94;
  margin-bottom: 8px;
}

.info-block,
.evidence-preview,
.result-card {
  padding: 24px;
}

.three-site {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.three-site article {
  padding: 16px;
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--line);
}

.tension-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.tension-strip article {
  position: relative;
  padding: 18px 18px 18px 22px;
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--line);
}

.tension-strip article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 3px;
  height: 28px;
  background: var(--red);
}

.approach-flow {
  display: grid;
  gap: 12px;
}

.approach-flow__item {
  position: relative;
  padding: 18px 18px 18px 22px;
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--line);
}

.approach-flow__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 3px;
  height: 28px;
  background: var(--red);
}

.approach-flow__item strong {
  display: block;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
  margin-bottom: 6px;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.result-card { border-top: 2px solid var(--red); }

.result-card strong {
  display: block;
  font-size: clamp(30px, 3vw, 46px);
  line-height: 0.94;
  color: var(--navy);
  margin-bottom: 8px;
}

.results-note {
  margin-top: 20px;
  color: rgba(255,255,255,0.72);
}

.relevance-list {
  list-style: none;
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 18px 0 0;
}

.relevance-list li {
  position: relative;
  padding: 18px 18px 18px 22px;
  background: rgba(255,255,255,0.92);
}

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

.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 680ms ease, transform 680ms ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

@media (max-width: 1020px) {
  .hero__grid,
  .section-grid,
  .testimonial-shell,
  .about-grid,
  .cta-shell,
  .case-spotlight__grid,
  .case-hero__grid { grid-template-columns: 1fr; }
  .trust-strip,
  .approach-strip,
  .case-metrics,
  .story-rail,
  .results-grid,
  .case-hero__metrics,
  .three-site,
  .tension-strip { grid-template-columns: 1fr 1fr; }
  .sticky { position: static; }
  .nav { grid-template-columns: 1fr; padding: 14px 0; }
  .nav ul { flex-wrap: wrap; }
}

@media (max-width: 760px) {
  .nav ul { display: none; }
  .actions { flex-direction: column; }
  .button { width: 100%; }
  .trust-strip,
  .approach-strip,
  .case-metrics,
  .story-rail,
  .contact-grid,
  .footer__grid,
  .results-grid,
  .case-hero__metrics,
  .three-site,
  .tension-strip { grid-template-columns: 1fr; }
  .hero__grid,
  .case-hero__grid { gap: 20px; }
  .hero { padding-top: 40px; }
  .case-spotlight-hero { min-height: 340px; }
  .case-spotlight-rise { margin-top: 0; }
  .case-spotlight { clip-path: none; }
  .case-spotlight__grid { padding: 28px 20px; }
  .supporting-note { padding: 18px 20px 28px; }
  .angled-band { clip-path: none; padding: 76px 0; }
  .case-study-image,
  .hero-image { min-height: 320px; }
  h1 { font-size: clamp(40px, 14vw, 66px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}