:root {
  --navy: #0B2D4A;
  --teal: #0EA5B7;
  --cobalt: #6366F1;
  --cool-grey: #E5E7EB;
  --slate: #475569;
  --ink: #102638;
  --paper: #ffffff;
  --soft: #f6f8fa;
  --teal-soft: #eaf8fa;
  --line: #dce3e8;
  --shadow: 0 28px 70px rgba(11, 45, 74, 0.10);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Inter", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.container { width: min(calc(100% - 48px), var(--container)); margin: 0 auto; }
.section-pad { padding: 108px 0; }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.94); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(11,45,74,.08); }
.nav-shell { height: 84px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; margin-right: auto; }
.brand img { width: 184px; height: auto; }
.primary-nav { display: flex; align-items: center; gap: 30px; }
.primary-nav a { color: var(--slate); font-size: 14px; font-weight: 600; transition: color .2s ease; }
.primary-nav a:hover, .primary-nav a.active { color: var(--navy); }
.primary-nav a.active { position: relative; }
.primary-nav a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -12px; height: 2px; background: var(--teal); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--navy); margin: 4px 0; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 50px; padding: 0 22px; border: 1px solid var(--navy); border-radius: 8px; background: var(--navy); color: #fff; font-weight: 700; font-size: 14px; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(11,45,74,.16); background: #103b60; }
.button-small { min-height: 42px; padding: 0 18px; }
.text-link, .light-link { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 700; }
.text-link { color: var(--navy); }
.text-link span, .light-link span { color: var(--teal); }

.hero { position: relative; overflow: hidden; background: radial-gradient(circle at 82% 12%, rgba(14,165,183,.10), transparent 30%), linear-gradient(180deg, #fbfdfe 0%, #ffffff 100%); }
.hero::before { content: ""; position: absolute; width: 520px; height: 520px; top: -300px; left: -260px; border: 1px solid rgba(99,102,241,.10); border-radius: 50%; }
.hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 82px; align-items: center; }
.eyebrow { display: flex; align-items: center; gap: 10px; text-transform: uppercase; color: var(--teal); font-size: 12px; font-weight: 800; letter-spacing: .13em; }
.eyebrow span { width: 28px; height: 2px; background: currentColor; }
.eyebrow.light { color: #71d5df; }
h1, h2, h3 { font-family: "Montserrat", Arial, Helvetica, sans-serif; margin: 0; color: var(--navy); line-height: 1.08; letter-spacing: -.035em; }
h1 { font-size: clamp(46px, 5.5vw, 72px); font-weight: 800; max-width: 760px; margin-top: 24px; }
h2 { font-size: clamp(34px, 4vw, 49px); font-weight: 700; }
h3 { font-size: 20px; font-weight: 700; letter-spacing: -.02em; }
.hero-lead { max-width: 680px; color: var(--slate); font-size: 20px; line-height: 1.65; margin: 28px 0 30px; }
.hero-actions { display: flex; align-items: center; gap: 28px; }
.hero-proof { display: grid; grid-template-columns: 1fr 1fr; margin-top: 46px; padding-top: 28px; border-top: 1px solid var(--line); max-width: 650px; }
.hero-proof div { display: flex; flex-direction: column; gap: 3px; padding-right: 28px; }
.hero-proof div + div { border-left: 1px solid var(--line); padding-left: 28px; }
.hero-proof strong { color: var(--navy); font-size: 14px; }
.hero-proof span { color: var(--slate); font-size: 13px; }

.hero-visual { position: relative; min-height: 535px; }
.visual-glow { position: absolute; inset: 12% 5% 8% 12%; background: radial-gradient(circle, rgba(14,165,183,.12), rgba(99,102,241,.04) 55%, transparent 75%); filter: blur(4px); }
.hero-visual::before { content: ""; position: absolute; inset: 42px 14px 28px 52px; border: 1px solid rgba(11,45,74,.09); background-image: linear-gradient(rgba(11,45,74,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(11,45,74,.035) 1px, transparent 1px); background-size: 34px 34px; border-radius: 18px; mask-image: linear-gradient(to bottom, black 60%, transparent 100%); }
.system-card { position: absolute; z-index: 2; background: rgba(255,255,255,.95); border: 1px solid rgba(11,45,74,.10); border-radius: 12px; box-shadow: var(--shadow); }
.card-platform { width: 76%; top: 46px; right: 0; padding: 24px 28px; }
.card-platform strong { display: block; color: var(--navy); font: 700 26px/1.2 "Montserrat", sans-serif; }
.card-platform small { display: block; color: var(--slate); margin-top: 8px; font-size: 13px; }
.card-kicker { display: block; color: var(--teal); font-size: 10px; letter-spacing: .16em; font-weight: 800; margin-bottom: 9px; }
.card-build { width: 82%; top: 212px; left: 0; padding: 24px; }
.build-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.build-grid button {
  min-height: 52px;
  padding: 12px 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  color: var(--navy);
  text-align: left;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.build-grid button:hover,
.build-grid button:focus-visible {
  border-color: rgba(14,165,183,.45);
  background: #f4fbfc;
  box-shadow: 0 8px 18px rgba(11,45,74,.07);
  outline: none;
}
.build-grid button.is-active {
  border-color: rgba(14,165,183,.45);
  background: var(--teal-soft);
  transform: translateY(-1px);
}
.card-outcome { width: 72%; bottom: 22px; right: 8%; padding: 22px 25px; border-left: 3px solid var(--teal); }
.card-outcome strong { color: var(--navy); font: 700 19px/1.35 "Montserrat", sans-serif; }
.connector { position: absolute; width: 2px; z-index: 1; background: linear-gradient(var(--teal), rgba(14,165,183,.12)); }
.connector::after { content: ""; position: absolute; left: -4px; bottom: -1px; width: 10px; height: 10px; border: 2px solid var(--teal); border-radius: 50%; background: white; }
.connector-a { height: 84px; top: 144px; left: 67%; }
.connector-b { height: 86px; top: 347px; left: 42%; }
.hero-mark { position: absolute; width: 92px; height: 92px; object-fit: contain; left: 22px; top: 80px; opacity: .16; }

.platform-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fafcfd; }
.platform-row { min-height: 78px; display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.platform-label { color: var(--slate); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .11em; margin-right: auto; }
.platform-name { color: var(--navy); font: 700 14px/1 "Montserrat", sans-serif; }
.platform-name.muted { color: var(--slate); font-weight: 600; }
.platform-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--teal); }
.section-heading { margin-bottom: 50px; }
.split-heading { display: grid; grid-template-columns: 1.2fr .7fr; gap: 90px; align-items: end; }
.split-heading h2 { margin-top: 18px; max-width: 720px; }
.split-heading > p { color: var(--slate); font-size: 17px; margin: 0; max-width: 430px; }
.services { scroll-margin-top: 88px; }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card {
  min-height: 290px;
  padding: 34px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .25s ease;
}
.service-card:hover,
.service-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 24px 50px rgba(11,45,74,.08);
  border-color: rgba(14,165,183,.32);
  z-index: 2;
  outline: none;
}
.service-card.is-active {
  background: linear-gradient(145deg, var(--navy) 0%, #103b60 100%);
  border-color: rgba(14,165,183,.28);
  box-shadow: 0 26px 58px rgba(11,45,74,.14);
  z-index: 1;
}
.service-index { color: var(--teal); font-size: 12px; font-weight: 800; letter-spacing: .12em; margin-bottom: 28px; }
.service-card h3 { font-size: 24px; }
.service-card p { color: var(--slate); margin: 14px 0 0; max-width: 520px; transition: color .2s ease; }
.service-card.is-active h3 { color: #fff; }
.service-card.is-active p { color: rgba(255,255,255,.76); }
.service-tags { display: flex; gap: 8px; margin-top: 26px; flex-wrap: wrap; }
.service-tags span { font-size: 11px; font-weight: 700; color: var(--navy); border: 1px solid rgba(11,45,74,.13); background: rgba(11,45,74,.025); padding: 6px 9px; border-radius: 5px; transition: color .2s ease, border-color .2s ease, background .2s ease; }
.service-card.is-active .service-tags span { color: #d7f7fa; border-color: rgba(255,255,255,.18); background: transparent; }
.service-detail {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  margin-top: 0;
  padding-top: 0;
  border-top: 1px solid transparent;
  transform: translateY(8px);
  transition: max-height .32s ease, opacity .22s ease, margin-top .28s ease, padding-top .28s ease, transform .28s ease, border-color .28s ease;
}
.service-card.is-active .service-detail {
  max-height: 240px;
  opacity: 1;
  margin-top: 24px;
  padding-top: 20px;
  border-top-color: rgba(255,255,255,.16);
  transform: translateY(0);
}
.service-detail-label { display: block; color: #71d5df; font-size: 10px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 10px; }
.service-detail ul { margin: 0; padding-left: 18px; color: rgba(255,255,255,.78); font-size: 13px; line-height: 1.55; }
.service-detail li + li { margin-top: 6px; }
.credibility { background: var(--soft); }
.credibility-grid { display: grid; grid-template-columns: .92fr 1.08fr; min-height: 570px; box-shadow: var(--shadow); }
.credibility-panel { background: var(--navy); padding: 58px; display: flex; flex-direction: column; justify-content: center; }
.credibility-panel h2 { color: #fff; margin: 22px 0; max-width: 550px; }
.credibility-panel p { color: rgba(255,255,255,.7); max-width: 560px; font-size: 17px; }
.light-link { color: #fff; margin-top: 24px; }
.expertise-list { background: #fff; padding: 36px 50px; display: flex; flex-direction: column; justify-content: center; }
.expertise-item { display: grid; grid-template-columns: 58px 1fr; gap: 18px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.expertise-item:last-child { border-bottom: 0; }
.expertise-no { color: var(--teal); font-weight: 800; font-size: 12px; letter-spacing: .12em; padding-top: 4px; }
.expertise-item p { color: var(--slate); margin: 10px 0 0; max-width: 570px; }
.approach { background: #fff; }
.center-heading { text-align: center; max-width: 780px; margin: 0 auto 54px; }
.center-heading .eyebrow { justify-content: center; }
.center-heading h2 { margin-top: 18px; }
.center-heading p { color: var(--slate); font-size: 17px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.step { padding: 28px 28px 0 0; }
.step + .step { padding-left: 28px; border-left: 1px solid var(--line); }
.step span { display: inline-grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(14,165,183,.3); color: var(--teal); font-size: 11px; font-weight: 800; border-radius: 7px; margin-bottom: 24px; }
.step p { color: var(--slate); font-size: 14px; margin-bottom: 0; }
.cta-section { background: linear-gradient(135deg, #08263f 0%, var(--navy) 55%, #0b3952 100%); position: relative; overflow: hidden; }
.cta-section::after { content: ""; position: absolute; width: 440px; height: 440px; border-radius: 50%; border: 1px solid rgba(14,165,183,.16); right: -180px; top: -250px; }
.cta-shell { min-height: 365px; display: grid; grid-template-columns: 1fr .62fr; align-items: center; gap: 80px; position: relative; z-index: 1; }
.cta-shell h2 { color: #fff; margin-top: 20px; max-width: 720px; }
.cta-action p { color: rgba(255,255,255,.72); margin: 0 0 20px; }
.button-light { background: #fff; color: var(--navy); border-color: #fff; }
.button-light:hover { background: #f4fbfc; }
.site-footer { background: #fff; padding: 60px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .65fr .65fr; gap: 60px; align-items: start; }
.footer-brand img { width: 172px; }
.footer-brand p { color: var(--slate); max-width: 370px; font-size: 14px; margin-top: 18px; }
.footer-links, .footer-meta { display: flex; flex-direction: column; gap: 11px; font-size: 14px; color: var(--slate); }
.footer-links a:hover, .footer-meta a:hover { color: var(--teal); }
.footer-bottom { border-top: 1px solid var(--line); margin-top: 46px; padding-top: 22px; display: flex; justify-content: space-between; gap: 30px; color: #7a8896; font-size: 11px; }

@media (max-width: 980px) {
  .section-pad { padding: 84px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-copy { max-width: 760px; }
  .hero-visual { min-height: 500px; max-width: 690px; width: 100%; margin: 0 auto; }
  .split-heading { grid-template-columns: 1fr; gap: 24px; }
  .credibility-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .step:nth-child(3) { border-left: 0; padding-left: 0; }
  .cta-shell { grid-template-columns: 1fr; gap: 24px; padding: 70px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .nav-shell { height: 72px; }
  .brand img { width: 154px; }
  .header-cta { display: none; }
  .nav-toggle { display: block; }
  .primary-nav { display: none; position: absolute; left: 16px; right: 16px; top: 72px; padding: 18px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav.open { display: flex; }
  .primary-nav a { padding: 13px 8px; border-bottom: 1px solid var(--line); }
  .primary-nav a:last-child { border-bottom: 0; }
  .primary-nav a.active::after { display: none; }
  .section-pad { padding: 70px 0; }
  h1 { font-size: clamp(42px, 13vw, 58px); }
  h2 { font-size: 34px; }
  .hero { padding-top: 64px; }
  .hero-lead { font-size: 17px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-proof { grid-template-columns: 1fr; gap: 18px; }
  .hero-proof div + div { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 18px; }
  .hero-visual { min-height: 450px; }
  .card-platform { width: 86%; padding: 20px; }
  .card-platform strong { font-size: 22px; }
  .card-build { width: 90%; top: 205px; padding: 18px; }
  .build-grid { gap: 8px; }
  .build-grid button { min-height: 48px; padding: 10px 12px; }
  .card-outcome { width: 82%; bottom: 4px; }
  .hero-mark { width: 72px; height: 72px; left: 4px; }
  .platform-row { padding: 20px 0; gap: 14px; }
  .platform-label { flex-basis: 100%; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; padding: 28px; }
  .credibility-panel { padding: 38px 28px; }
  .expertise-list { padding: 18px 28px; }
  .expertise-item { grid-template-columns: 42px 1fr; }
  .steps { grid-template-columns: 1fr; gap: 0; border-top: 0; }
  .step, .step + .step, .step:nth-child(3) { padding: 26px 0; border-left: 0; border-top: 1px solid var(--line); }
  .cta-shell { padding: 62px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}

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