:root {
  --ink: #101318;
  --muted: #60666b;
  --line: #d9dee4;
  --paper: #ffffff;
  --soft: #f4f7fb;
  --accent: #012169;
  --accent-dark: #012169;
  --panel: #012169;
  --max: 1160px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
}

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

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(223, 229, 234, 0.85);
  backdrop-filter: blur(18px);
}

.brand {
  font-weight: 700;
  letter-spacing: 0;
}

.nav {
  display: flex;
  gap: 20px;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.nav a.active,
.nav a:hover {
  color: var(--ink);
}

.lang {
  display: inline-flex;
  gap: 6px;
  border: 1px solid var(--line);
  padding: 4px;
}

.lang a {
  padding: 4px 8px;
}

.lang .current {
  background: var(--ink);
  color: var(--paper);
}

main {
  overflow: hidden;
}

.section {
  padding: clamp(72px, 9vw, 128px) clamp(22px, 4vw, 56px);
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
}

.hero {
  min-height: 96vh;
  display: grid;
  align-items: center;
  padding-top: 96px;
  background:
    linear-gradient(135deg, rgba(0, 124, 137, 0.08), rgba(255, 255, 255, 0) 42%),
    linear-gradient(180deg, #ffffff 0%, #f8fbfc 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.65fr);
  gap: clamp(36px, 7vw, 86px);
  align-items: center;
}

.eyebrow {
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(3.1rem, 9vw, 7.4rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.claim {
  max-width: 700px;
  margin-bottom: 26px;
  color: #263039;
  font-size: clamp(1.35rem, 2.6vw, 2.25rem);
  line-height: 1.18;
}

.lead {
  max-width: 660px;
  color: var(--muted);
  font-size: 1.08rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  padding: 11px 17px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease;
}

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

.button:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  color: var(--accent-dark);
}

.button.primary:hover {
  background: var(--accent-dark);
  color: var(--paper);
}

.portrait {
  position: relative;
  min-height: 560px;
  border-left: 1px solid var(--line);
  padding-left: clamp(22px, 4vw, 46px);
}

.portrait-box {
  height: min(68vh, 620px);
  min-height: 420px;
  display: grid;
  place-items: center;
  background: var(--panel);
  color: #dceef0;
  position: relative;
  overflow: hidden;
}

.portrait-box::before {
  content: "";
  position: absolute;
  inset: 10%;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.portrait-initials {
  font-size: clamp(4rem, 9vw, 8rem);
  font-weight: 800;
  letter-spacing: 0;
}

.portrait-note {
  position: absolute;
  right: 0;
  bottom: 34px;
  max-width: 260px;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 16px 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(180px, 0.32fr) minmax(0, 0.68fr);
  gap: clamp(24px, 6vw, 72px);
  margin-bottom: 42px;
}

h2 {
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

.section-head p {
  color: var(--muted);
  font-size: 1.05rem;
}

.profile-copy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.profile-copy p {
  color: #303942;
}

.keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.pill {
  border: 1px solid var(--line);
  padding: 8px 11px;
  color: var(--muted);
  font-size: 0.88rem;
}

.soft {
  background: var(--soft);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: clamp(22px, 3vw, 30px);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 124, 137, 0.45);
  box-shadow: 0 18px 42px rgba(17, 20, 23, 0.08);
}

.card h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.card p {
  color: var(--muted);
}

.companies {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.company-card {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: clamp(1.6rem, 4vw, 3rem);
  font-weight: 800;
}

.mark {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
}

.meta {
  color: var(--muted);
  font-size: 0.93rem;
}

.timeline {
  border-left: 1px solid var(--line);
  margin-left: 9px;
}

.timeline-item {
  position: relative;
  padding: 0 0 34px 34px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 8px;
  width: 11px;
  height: 11px;
  background: var(--accent);
}

.timeline-date {
  color: var(--accent-dark);
  font-weight: 800;
  font-size: 0.9rem;
}

.case-grid {
  display: grid;
  gap: 16px;
}

.case {
  display: grid;
  grid-template-columns: 0.25fr 0.75fr;
  gap: 28px;
  border-top: 1px solid var(--line);
  padding: 28px 0;
}

.case dl {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 0;
}

.case dt {
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.case dd {
  margin: 7px 0 0;
  color: var(--muted);
}

.principles {
  columns: 2;
  column-gap: 48px;
}

.principle {
  break-inside: avoid;
  margin-bottom: 24px;
}

.numbers {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.number {
  background: var(--paper);
  padding: 28px;
}

.number strong {
  display: block;
  font-size: clamp(2.2rem, 5vw, 4.3rem);
  line-height: 1;
}

.number span {
  color: var(--muted);
}

.insights-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

.contact .section-head p,
.contact .meta {
  color: #b8c5ce;
}

.contact-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.contact-link {
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 18px;
  color: #eaf3f4;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(22px, 4vw, 56px);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  background: var(--ink);
  color: #aab6bd;
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}

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

@media (max-width: 940px) {
  .nav {
    display: none;
  }

  .hero-grid,
  .section-head,
  .profile-copy,
  .companies,
  .case,
  .contact-links {
    grid-template-columns: 1fr;
  }

  .portrait {
    min-height: auto;
    border-left: 0;
    padding-left: 0;
  }

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

  .case dl {
    grid-template-columns: 1fr 1fr;
  }

  .principles {
    columns: 1;
  }
}

@media (max-width: 620px) {
  .topbar {
    padding: 14px 18px;
  }

  .brand {
    max-width: 170px;
  }

  .section {
    padding: 64px 18px;
  }

  .hero {
    padding-top: 86px;
  }

  .grid,
  .numbers,
  .case dl {
    grid-template-columns: 1fr;
  }

  .portrait-box {
    min-height: 320px;
    height: 52vh;
  }

  .portrait-note {
    position: static;
    max-width: none;
    margin-top: 12px;
  }

  footer {
    flex-direction: column;
  }
}

.logo-lockup {
  display: flex;
  align-items: center;
  min-height: 72px;
}

.logo-lockup img {
  width: min(210px, 70%);
  height: auto;
  display: block;
}

.company-visual {
  margin: 18px 0 22px;
  border: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
}

.company-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.mark.btp-mark {
  background: #012169;
}

.btp-logo img { width: min(250px, 82%); }


.company-card > div:first-child {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.logo-lockup {
  height: 118px;
  min-height: 118px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.logo-lockup img,
.btp-logo img {
  width: auto;
  max-width: 230px;
  max-height: 112px;
  object-fit: contain;
}

.btp-logo img {
  max-width: 245px;
}

.company-card .meta {
  text-align: center;
  min-height: 32px;
}

.company-card > p {
  min-height: 96px;
}

/* Executive visual refresh inspired by the reference site, using CSi group identity. */
.topbar {
  background: rgba(255, 255, 255, 0.94);
}

.hero {
  min-height: 92vh;
  background:
    radial-gradient(circle at 74% 24%, rgba(76, 130, 255, 0.25), transparent 28%),
    linear-gradient(135deg, #07102f 0%, #10165a 58%, #012169 100%);
  color: #fff;
}

.hero .eyebrow,
.hero .claim,
.hero .lead {
  color: #fff;
}

.hero .lead {
  color: rgba(255, 255, 255, 0.78);
}

.hero .button {
  border-color: rgba(255, 255, 255, 0.32);
  color: #fff;
}

.hero .button.primary {
  background: #d8b85a;
  border-color: #d8b85a;
  color: #101318;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 46px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-stats strong {
  display: block;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1;
  color: #fff;
}

.hero-stats span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.86rem;
}

.portrait-box {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.portrait-note {
  background: #fff;
  color: #49515a;
}

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

.leadership-grid article {
  border: 1px solid var(--line);
  background: #fff;
  padding: 18px 20px;
  font-weight: 800;
  color: #18213a;
  box-shadow: 0 12px 30px rgba(1, 33, 105, 0.06);
}

.leadership-grid article::before {
  content: "✓";
  color: #d8b85a;
  margin-right: 10px;
}

#numbers {
  background: #101442;
  color: #fff;
}

#numbers .numbers {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.13);
}

#numbers .number {
  background: rgba(255, 255, 255, 0.06);
}

#numbers .number span {
  color: rgba(255, 255, 255, 0.72);
}

@media (max-width: 720px) {
  .hero-stats,
  .leadership-grid {
    grid-template-columns: 1fr;
  }
}

/* Palette coherence pass: CSi group navy, white and soft graphite. */
:root {
  --ink: #151821;
  --muted: #606a76;
  --line: #dce3ec;
  --paper: #ffffff;
  --soft: #f3f6fb;
  --accent: #012169;
  --accent-dark: #01184d;
  --panel: #012169;
}

body {
  background: #ffffff;
  color: var(--ink);
}

.hero {
  background:
    radial-gradient(circle at 76% 20%, rgba(87, 130, 212, 0.28), transparent 30%),
    linear-gradient(135deg, #06164a 0%, #101b5f 52%, #012169 100%);
}

.soft {
  background: #f3f6fb;
}

.card,
.leadership-grid article,
.company-card,
.contact-link {
  border-color: #dce3ec;
}

#numbers {
  background: #07164a;
}

.contact,
footer {
  background: #07164a;
}

.contact .section-head p,
.contact .meta,
footer {
  color: rgba(255, 255, 255, 0.72);
}

.contact-link {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.04);
}

.hero .button.primary {
  background: #ffffff;
  border-color: #ffffff;
  color: #012169;
}

.hero .button.primary:hover {
  background: #eaf0fb;
  color: #012169;
}

.hero .button:hover {
  border-color: rgba(255, 255, 255, 0.7);
  color: #ffffff;
}

.leadership-grid article::before {
  color: #012169;
}

.eyebrow,
.case dt {
  color: #012169;
}

.hero .eyebrow {
  color: rgba(255, 255, 255, 0.82);
}

.number strong {
  color: inherit;
}

/* Final proportion pass: safer hero spacing and stronger executive readability. */
.hero {
  padding-top: clamp(118px, 13vh, 160px);
  padding-bottom: clamp(54px, 8vh, 92px);
}

.hero-grid {
  align-items: center;
}

.hero h1 {
  font-size: clamp(3.4rem, 8vw, 7.1rem);
  line-height: 0.96;
}

.hero .claim {
  max-width: 780px;
}

.section-head {
  align-items: start;
}

.card,
.company-card,
.leadership-grid article {
  box-shadow: 0 10px 26px rgba(1, 33, 105, 0.045);
}

.company-card {
  padding: clamp(26px, 3.3vw, 36px);
}

.logo-lockup {
  margin-bottom: 14px;
}

.topbar {
  min-height: 64px;
}

@media (max-width: 620px) {
  .hero {
    padding-top: 112px;
  }

  .hero h1 {
    font-size: clamp(3rem, 14vw, 4.6rem);
  }
}