:root {
  --navy: #0c2a51;
  --blue: #0878c9;
  --cyan: #08b8d6;
  --ink: #14223a;
  --muted: #607089;
  --line: #dce7f1;
  --tint: #f3f7fb;
  --white: #fff;
  --shadow: 0 24px 70px rgba(12,42,81,.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fff; font-family: Montserrat, sans-serif; font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.site-header { position: sticky; z-index: 50; top: 0; border-bottom: 1px solid rgba(12,42,81,.08); background: rgba(255,255,255,.94); backdrop-filter: blur(16px); }
.nav-shell, .case-shell, .footer-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.prose-shell { width: min(790px, calc(100% - 40px)); margin: 0 auto; }
.nav-shell { display: flex; min-height: 72px; align-items: center; justify-content: space-between; gap: 28px; }
.brand { color: var(--navy); font-size: 1.08rem; font-weight: 800; text-decoration: none; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav-links a { color: #556985; font-size: .92rem; font-weight: 500; text-decoration: none; transition: color 180ms ease; }
.nav-links a:hover, .nav-links a:focus-visible, .brand:hover, .brand:focus-visible { color: var(--cyan); }
.nav-cta { padding: 10px 19px; border-radius: 12px; color: #fff; background: linear-gradient(100deg, var(--blue), var(--cyan)); box-shadow: 0 10px 24px rgba(8,120,201,.2); font-size: .9rem; font-weight: 700; text-decoration: none; white-space: nowrap; }

.case-hero { position: relative; overflow: hidden; color: #fff; background: linear-gradient(135deg, #071f40 0%, #086fc0 55%, #0bb8d3 100%); }
.case-hero::before, .case-hero::after { position: absolute; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; content: ""; }
.case-hero::before { width: 580px; height: 580px; top: -340px; right: -100px; }
.case-hero::after { width: 340px; height: 340px; bottom: -210px; left: -80px; }
.hero-grid { position: relative; z-index: 1; display: grid; min-height: 720px; grid-template-columns: minmax(0,1.35fr) minmax(360px,.65fr); gap: 70px; align-items: center; padding: 92px 0; }
.eyebrow, .section-kicker { margin: 0 0 18px; color: var(--blue); font-size: .76rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow, .section-kicker--light { color: #79e9fb; }
h1 { max-width: 840px; margin: 0; font-size: clamp(3rem, 6.3vw, 6rem); font-weight: 900; letter-spacing: -.065em; line-height: .99; text-wrap: balance; }
h2 { margin: 0 0 30px; color: var(--navy); font-size: clamp(2.3rem, 4.8vw, 4.2rem); font-weight: 900; letter-spacing: -.055em; line-height: 1.05; text-wrap: balance; }
h3 { margin: 0 0 18px; color: var(--navy); font-size: clamp(1.35rem, 2.3vw, 2rem); font-weight: 800; letter-spacing: -.035em; line-height: 1.2; }
p { margin: 0 0 22px; }
p:last-child { margin-bottom: 0; }
.hero-metrics { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.hero-metrics div { display: flex; min-width: 150px; flex-direction: column; padding: 16px 18px; border: 1px solid rgba(255,255,255,.2); border-radius: 18px; background: rgba(255,255,255,.08); backdrop-filter: blur(12px); }
.hero-metrics strong { font-size: 1.65rem; line-height: 1; }
.hero-metrics span { margin-top: 7px; color: rgba(255,255,255,.7); font-size: .67rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.hero-system { position: relative; display: grid; min-height: 470px; place-items: center; }
.hero-system::before, .hero-system::after { position: absolute; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; content: ""; }
.hero-system::before { width: 370px; height: 370px; }
.hero-system::after { width: 270px; height: 270px; }
.system-logo { position: absolute; z-index: 4; width: 94px; height: 94px; overflow: hidden; border: 2px solid rgba(255,255,255,.78); border-radius: 26px; box-shadow: 0 24px 50px rgba(0,15,44,.35); }
.system-logo img { width: 100%; height: 100%; object-fit: cover; }
.system-node { position: absolute; z-index: 3; display: flex; width: 190px; flex-direction: column; padding: 18px 20px; border: 1px solid rgba(255,255,255,.3); border-radius: 20px; background: rgba(255,255,255,.12); box-shadow: 0 18px 40px rgba(0,24,60,.22); backdrop-filter: blur(14px); }
.system-node span { color: #79e9fb; font-size: .67rem; font-weight: 900; letter-spacing: .12em; }
.system-node strong { margin-top: 6px; font-size: 1.1rem; }
.system-node small { color: rgba(255,255,255,.65); }
.node-discover { top: 55px; right: 4px; transform: rotate(3deg); }
.node-convert { bottom: 55px; left: 4px; transform: rotate(-3deg); }
.system-path { position: absolute; z-index: 2; display: flex; align-items: center; gap: 7px; transform: rotate(-45deg); }
.system-path i { width: 8px; height: 8px; border-radius: 50%; background: #79e9fb; box-shadow: 0 0 16px rgba(121,233,251,.8); animation: pulse 1.8s ease-in-out infinite; }
.system-path i:nth-child(2) { animation-delay: .25s; }.system-path i:nth-child(3) { animation-delay: .5s; }

.case-section { padding: 104px 0; }
.problem-section { background: var(--tint); }
.problem-section .prose-shell > p { color: var(--muted); }
.intent-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; margin-top: 58px; }
.intent-card { position: relative; overflow: hidden; padding: 40px; border: 1px solid rgba(8,120,201,.16); border-radius: 28px; background: #fff; box-shadow: var(--shadow); transition: transform 250ms ease, box-shadow 250ms ease; }
.intent-card::after { position: absolute; width: 150px; height: 150px; top: -88px; right: -70px; border: 25px solid rgba(8,184,214,.08); border-radius: 50%; content: ""; }
.intent-card:hover { transform: translateY(-6px); box-shadow: 0 30px 76px rgba(12,42,81,.16); }
.intent-card--dark { color: rgba(255,255,255,.75); border-color: transparent; background: linear-gradient(145deg, var(--navy), var(--blue)); }
.intent-card--dark h3 { color: #fff; }
.intent-index { display: inline-flex; width: 56px; height: 56px; align-items: center; justify-content: center; border-radius: 18px; color: #fff; background: linear-gradient(145deg,var(--blue),var(--cyan)); box-shadow: 0 12px 26px rgba(8,120,201,.25); font-size: .78rem; font-weight: 900; transform: rotate(-3deg); }
.intent-card--dark .intent-index { color: var(--navy); background: #79e9fb; }
.intent-label { margin: 28px 0 10px; color: var(--blue); font-size: .72rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.intent-card--dark .intent-label { color: #79e9fb; }
.intent-card p:not(.intent-label) { color: var(--muted); }
.intent-card--dark p:not(.intent-label) { color: rgba(255,255,255,.72); }

.section-heading { display: grid; grid-template-columns: minmax(0,1fr) minmax(280px,410px); gap: 48px; align-items: end; margin-bottom: 54px; }
.section-heading > p { color: var(--muted); }
.pair-flow { display: grid; grid-template-columns: 1fr 180px 1fr; align-items: stretch; }
.pair-flow article { padding: 38px; border: 1px solid var(--line); border-radius: 26px; background: #fff; box-shadow: 0 16px 42px rgba(12,42,81,.08); }
.pair-flow article > span { display: inline-flex; margin-bottom: 28px; border-radius: 999px; padding: 7px 11px; color: var(--blue); background: #e8f5fc; font-size: .7rem; font-weight: 900; letter-spacing: .09em; text-transform: uppercase; }
.pair-flow article p { color: var(--muted); }
.pair-bridge { display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--cyan); }
.pair-bridge span { font-size: 2rem; font-weight: 300; }
.pair-bridge small { margin: 5px 0; color: var(--muted); font-size: .65rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.pair-copy { max-width: 880px; margin: 50px auto 0; color: var(--muted); }
.competitor-cloud { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 38px; }
.competitor-cloud span { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--navy); background: var(--tint); font-size: .72rem; font-weight: 700; transition: color 180ms ease, border-color 180ms ease, transform 180ms ease; }
.competitor-cloud span:hover { color: var(--blue); border-color: var(--cyan); transform: translateY(-2px); }

.linking-section { color: rgba(255,255,255,.76); background: linear-gradient(145deg,#071f40,#0b477a 58%,#0878c9); }
.linking-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(350px,.8fr); gap: 70px; align-items: center; }
.linking-copy h2 { color: #fff; }
.link-loop { position: relative; display: grid; min-height: 380px; place-items: center; }
.link-loop::before { position: absolute; width: 320px; height: 320px; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; content: ""; }
.link-loop > div { position: absolute; z-index: 2; display: flex; width: 200px; flex-direction: column; padding: 24px; border: 1px solid rgba(255,255,255,.26); border-radius: 22px; background: rgba(255,255,255,.11); box-shadow: 0 18px 44px rgba(0,19,48,.24); backdrop-filter: blur(12px); }
.link-loop > div:first-of-type { top: 40px; left: 0; }.link-loop > div:nth-of-type(2) { right: 0; bottom: 40px; }
.link-loop small { color: #79e9fb; font-size: .68rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.link-loop strong { margin-top: 8px; color: #fff; font-size: 1.2rem; }
.loop-arrow { position: absolute; z-index: 3; display: grid; width: 44px; height: 44px; place-items: center; border-radius: 50%; color: var(--navy); background: #79e9fb; box-shadow: 0 10px 26px rgba(0,0,0,.22); font-size: 1.35rem; font-weight: 900; }
.arrow-one { top: 120px; right: 88px; }.arrow-two { bottom: 116px; left: 88px; }
.example-copy { margin-top: 72px; }
.example-copy blockquote { margin: 18px 0; padding: 22px 26px; border-left: 4px solid #79e9fb; border-radius: 0 16px 16px 0; color: #fff; background: rgba(255,255,255,.08); }

.architecture-section { background: var(--tint); }
.architecture-grid { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(360px,.85fr); gap: 68px; align-items: center; }
.architecture-grid > div:first-child > p:not(.section-kicker) { color: var(--muted); }
.url-stack { display: grid; gap: 14px; }
.url-stack > div { display: grid; grid-template-columns: 42px 1fr; gap: 14px; align-items: center; padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 12px 30px rgba(12,42,81,.06); }
.url-stack span { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 12px; color: #fff; background: linear-gradient(145deg,var(--blue),var(--cyan)); font-size: .7rem; font-weight: 900; }
.url-stack code { overflow-wrap: anywhere; color: var(--navy); font: 700 .9rem/1.5 Montserrat,sans-serif; }
.url-stack .redirect-row { grid-template-columns: 1fr auto 1fr; margin-top: 12px; text-align: center; }
.redirect-row strong { color: var(--navy); font-size: .82rem; }.redirect-row i { color: var(--cyan); font-style: normal; font-weight: 900; }

.scale-section { padding: 90px 0; color: #fff; background: linear-gradient(105deg,var(--blue),var(--cyan)); }
.scale-grid { display: grid; grid-template-columns: minmax(0,1.5fr) repeat(2,minmax(180px,.5fr)); gap: 24px; align-items: stretch; }
.scale-grid h2 { color: #fff; }
.scale-stat { display: flex; flex-direction: column; justify-content: center; padding: 30px; border: 1px solid rgba(255,255,255,.25); border-radius: 24px; background: rgba(255,255,255,.11); text-align: center; backdrop-filter: blur(10px); }
.scale-stat strong { font-size: clamp(3rem,6vw,5rem); line-height: 1; }.scale-stat span { margin-top: 10px; color: rgba(255,255,255,.78); font-size: .7rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.scale-copy { margin-top: 42px; color: rgba(255,255,255,.82); }
.scale-copy > p strong { color: #fff; font-weight: 900; }
.library-links { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; margin-top: 34px; }
.library-links a { position: relative; display: flex; min-height: 132px; flex-direction: column; justify-content: center; padding: 24px 62px 24px 24px; border: 1px solid rgba(255,255,255,.28); border-radius: 22px; color: #fff; background: rgba(255,255,255,.12); box-shadow: 0 16px 34px rgba(0,38,88,.13); text-decoration: none; backdrop-filter: blur(10px); transition: transform 220ms ease, background 220ms ease, border-color 220ms ease; }
.library-links a:hover { border-color: rgba(255,255,255,.58); background: rgba(255,255,255,.19); transform: translateY(-4px); }
.library-links a:focus-visible { outline: 3px solid #fff; outline-offset: 4px; }
.library-links span { margin-bottom: 6px; color: rgba(255,255,255,.7); font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.library-links strong { font-size: 1.08rem; }
.library-links i { position: absolute; top: 50%; right: 24px; display: grid; width: 38px; height: 38px; place-items: center; border-radius: 50%; color: var(--blue); background: #fff; font-style: normal; font-weight: 900; transform: translateY(-50%); transition: transform 220ms ease; }
.library-links a:hover i { transform: translate(3px,-56%); }

.results-section { color: #fff; background: #071f40; }
.results-heading { max-width: 860px; margin-bottom: 60px; }
.results-heading h2 { color: #fff; }
.results-heading > p:not(.section-kicker) { color: rgba(255,255,255,.7); }
.result-stack { display: grid; gap: 30px; }
.result-card { display: grid; grid-template-columns: minmax(300px,.65fr) minmax(0,1.35fr); overflow: hidden; border: 1px solid rgba(255,255,255,.14); border-radius: 28px; background: rgba(255,255,255,.07); box-shadow: 0 24px 60px rgba(0,0,0,.2); }
.result-card--reverse { grid-template-columns: minmax(0,1.35fr) minmax(300px,.65fr); }
.result-card--reverse .result-copy { order: 2; }.result-card--reverse > a { order: 1; }
.result-copy { display: flex; flex-direction: column; justify-content: center; padding: 38px; }
.result-copy > span { margin-bottom: 22px; color: #79e9fb; font-size: .7rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.result-copy h3 { color: #fff; }.result-copy p { color: rgba(255,255,255,.7); }
.result-card > a { display: flex; align-items: center; padding: 18px; background: #fff; }
.result-card img { width: 100%; border-radius: 13px; transition: transform 260ms ease; }.result-card:hover img { transform: scale(1.012); }

.ai-section { background: var(--tint); }.ai-section .prose-shell > p:not(.section-kicker) { color: var(--muted); }
.lessons-heading { grid-template-columns: 1fr; }
.lesson-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.lesson-grid article { position: relative; overflow: hidden; padding: 34px; border: 1px solid var(--line); border-radius: 24px; background: #fff; box-shadow: 0 14px 40px rgba(12,42,81,.07); transition: transform 220ms ease, border-color 220ms ease; }
.lesson-grid article:hover { border-color: rgba(8,120,201,.3); transform: translateY(-4px); }
.lesson-grid span { display: inline-flex; width: 52px; height: 52px; align-items: center; justify-content: center; margin-bottom: 28px; border-radius: 16px; color: #fff; background: linear-gradient(145deg,var(--blue),var(--cyan)); font-size: .75rem; font-weight: 900; transform: rotate(-3deg); }
.lesson-grid p { color: var(--navy); font-size: 1.06rem; font-weight: 700; }
.case-cta { padding: 78px 20px; background: var(--tint); }
.case-cta__inner { position: relative; display: flex; width: min(1040px,100%); min-height: 210px; align-items: center; justify-content: space-between; gap: 34px; margin: 0 auto; overflow: hidden; padding: 44px 50px; border: 1px solid rgba(8,120,201,.16); border-radius: 30px; background: #fff; box-shadow: var(--shadow); }
.case-cta__inner::after { position: absolute; width: 190px; height: 190px; top: -105px; right: -55px; border: 30px solid rgba(8,184,214,.08); border-radius: 50%; content: ""; }
.case-cta h2 { position: relative; z-index: 1; max-width: 650px; margin: 0; font-size: clamp(2rem,4vw,3.45rem); }
.case-cta a { position: relative; z-index: 1; display: inline-flex; min-width: 165px; align-items: center; justify-content: center; gap: 12px; padding: 16px 24px; border-radius: 14px; color: #fff; background: linear-gradient(110deg,var(--blue),var(--cyan)); box-shadow: 0 14px 30px rgba(8,120,201,.25); font-weight: 900; text-decoration: none; white-space: nowrap; transition: transform 220ms ease, box-shadow 220ms ease; }
.case-cta a:hover { box-shadow: 0 18px 36px rgba(8,120,201,.34); transform: translateY(-3px); }
.case-cta a:focus-visible { outline: 3px solid var(--navy); outline-offset: 4px; }
.site-footer { border-top: 1px solid rgba(255,255,255,.12); background: var(--navy); }
.footer-shell { display: flex; min-height: 130px; align-items: center; justify-content: space-between; gap: 24px; }
.footer-shell a { color: #fff; font-size: .96rem; font-weight: 800; text-decoration: none; }.footer-shell a:last-child { color: #79e9fb; }

@keyframes pulse { 0%,100% { opacity: .35; transform: scale(.8); } 50% { opacity: 1; transform: scale(1.12); } }
@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-grid, .linking-grid, .architecture-grid { grid-template-columns: 1fr; }
  .hero-system { min-height: 420px; }
  .section-heading { grid-template-columns: 1fr; gap: 12px; }
  .pair-flow { grid-template-columns: 1fr; gap: 16px; }.pair-bridge { flex-direction: row; gap: 12px; transform: rotate(90deg); }.pair-bridge small { display: none; }
  .scale-grid { grid-template-columns: 1fr 1fr; }.scale-grid > div:first-child { grid-column: 1 / -1; }
  .result-card, .result-card--reverse { grid-template-columns: 1fr; }.result-card--reverse .result-copy, .result-card--reverse > a { order: initial; }
}
@media (max-width: 680px) {
  .nav-shell, .case-shell, .footer-shell { width: min(100% - 28px,1180px); }.prose-shell { width: min(100% - 28px,790px); }
  .nav-shell { min-height: 64px; gap: 12px; }.brand { font-size: .9rem; }.nav-cta { padding: 8px 12px; font-size: .78rem; }
  .hero-grid { min-height: auto; padding: 74px 0 58px; }.hero-system { min-height: 340px; }.system-node { width: 156px; padding: 14px; }.node-discover { top: 30px; }.node-convert { bottom: 30px; }.hero-system::before { width: 285px; height: 285px; }.hero-system::after { width: 210px; height: 210px; }
  h1 { font-size: clamp(2.5rem,13vw,4rem); }.case-section { padding: 76px 0; }
  .intent-grid, .lesson-grid { grid-template-columns: 1fr; }.intent-card { padding: 30px 24px; }
  .pair-flow article, .result-copy { padding: 28px 24px; }.competitor-cloud { justify-content: flex-start; }
  .link-loop { min-height: 330px; }.link-loop::before { width: 270px; height: 270px; }.link-loop > div { width: 165px; padding: 18px; }.arrow-one { right: 55px; }.arrow-two { left: 55px; }
  .url-stack > div { grid-template-columns: 1fr; }.url-stack .redirect-row { grid-template-columns: 1fr; }.redirect-row i { transform: rotate(90deg); }
  .scale-grid, .library-links { grid-template-columns: 1fr; }.scale-grid > div:first-child { grid-column: auto; }
  .result-card > a { padding: 10px; }.footer-shell { flex-direction: column; justify-content: center; text-align: center; }
  .case-cta { padding: 58px 14px; }.case-cta__inner { flex-direction: column; align-items: flex-start; padding: 34px 26px; }.case-cta a { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }.system-path i { animation: none; }.intent-card, .competitor-cloud span, .result-card img, .lesson-grid article, .library-links a, .library-links i, .case-cta a { transition: none; }.intent-card:hover, .competitor-cloud span:hover, .result-card:hover img, .lesson-grid article:hover, .library-links a:hover, .library-links a:hover i, .case-cta a:hover { transform: none; }
}