:root { color-scheme: light; --paper: #f8f9f6; --ink: #172b2d; --muted: #566564; --blue: #254edb; --line: #dce1db; --tint: #edf0e9; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-underline-offset: 4px; }
a, button, input, textarea { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
::selection { background: #dce3ff; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 500; line-height: 1.08; letter-spacing: -.045em; }
h2 { font-size: clamp(2rem, 3.5vw, 3.2rem); }
h3 { font-size: 1.55rem; }
p { text-wrap: pretty; }
.wrap { width: min(1216px, calc(100% - 112px)); margin-inline: auto; }
.skip-link { position: absolute; top: -100px; left: 20px; background: white; padding: 12px 20px; z-index: 10; }
.skip-link:focus { top: 12px; }
.site-header { display: flex; justify-content: space-between; align-items: center; min-height: 110px; border-bottom: 1px solid var(--line); gap: 24px; }
.wordmark { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 650; letter-spacing: -.035em; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 7px; background: var(--blue); color: white; font-size: 23px; line-height: 1; padding-bottom: 3px; }
.wordmark-note { margin-left: 12px; font-size: 11px; letter-spacing: 0; font-weight: 400; color: var(--muted); }
nav { display: flex; align-items: center; gap: 28px; font-size: 13px; }
nav a { text-decoration: none; padding-block: 12px; }
nav a:hover, .text-link:hover { color: var(--blue); }
nav .nav-contact { border: 1px solid var(--line); border-radius: 5px; padding: 10px 16px; }
.nav-contact span { margin-left: 16px; }
.hero { display: grid; grid-template-columns: 1.38fr 1fr; gap: 60px; padding-block: 80px 90px; align-items: center; }
.eyebrow { font-size: 10px; letter-spacing: .13em; text-transform: uppercase; font-weight: 600; display: flex; align-items: center; gap: 10px; margin-bottom: 28px; }
.small-line { width: 22px; height: 2px; background: var(--blue); }
h1 { font-size: clamp(3.8rem, 6.45vw, 6.05rem); letter-spacing: -.062em; line-height: 1.02; }
h1 span { color: var(--blue); }
.hero-description { max-width: 465px; margin-top: 28px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; background: var(--blue); color: white; border: 1px solid var(--blue); border-radius: 5px; padding: 15px 22px; font: inherit; font-size: 13px; font-weight: 500; text-decoration: none; cursor: pointer; transition: background .18s; }
.button:hover { background: #1b3dad; }
.button:disabled { opacity: .7; cursor: wait; }
.hero .button { margin-top: 30px; }
.hero-note { color: var(--muted); margin-top: 13px; font-size: 11px; }
.system-visual { position: relative; padding: 27px 29px 26px; background: #e9eef9; border: 1px solid #d6dfee; border-radius: 10px; transform: translateY(12px); background-image: radial-gradient(#bfcbdf 0.7px, transparent 0.7px); background-size: 15px 15px; }
.visual-top { display: flex; align-items: center; justify-content: space-between; font-size: 9px; color: #495e87; letter-spacing: .12em; }
.visual-cross { font-size: 24px; font-weight: 300; line-height: 1; }
.business-node { display: flex; align-items: center; gap: 16px; width: 90%; margin: 31px auto 0; padding: 24px 22px; background: var(--blue); color: white; border-radius: 7px; font-size: 20px; line-height: 1.35; box-shadow: 0 8px 18px #17328514; }
.business-node small { display: block; font-size: 10px; color: #d8e1ff; margin-top: 5px; }
.node-symbol { font-size: 32px; font-weight: 300; }
.connector { width: 1px; height: 32px; margin-inline: auto; background: #9aaaca; }
.system-layer { display: flex; align-items: center; gap: 18px; background: #fbfcff; border: 1px solid #d5ddec; border-radius: 5px; padding: 18px; margin-bottom: 10px; font-size: 17px; line-height: 1.4; }
.layer-index { font-size: 10px; color: #586e92; align-self: flex-start; margin-top: 4px; }
.system-layer small { display: block; color: #566780; font-size: 10px; margin-top: 3px; }
.layer-symbol { margin-left: auto; color: #51668b; font-size: 24px; font-weight: 300; }
.visual-bottom { display: flex; gap: 8px; align-items: center; margin-top: 25px; color: #495e77; font-size: 10px; }
.visual-dot { width: 5px; height: 5px; border-radius: 50%; background: #617ca4; }
.intro-band { border-block: 1px solid var(--line); background: #f0f2ed; }
.intro-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 50px; padding-block: 32px; }
.intro-band-inner > p:first-child { font-size: 21px; letter-spacing: -.02em; line-height: 1.4; }
.intro-band strong { font-weight: 500; }
.intro-band-inner > p:last-child { max-width: 445px; color: var(--muted); font-size: 13px; }
.section { padding-block: 95px; }
.section-heading { display: grid; grid-template-columns: 1.4fr 1fr; column-gap: 60px; align-items: end; margin-bottom: 50px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: 22px; }
.section-heading > p:last-child { color: var(--muted); font-size: 14px; padding-bottom: 3px; }
.service { display: grid; grid-template-columns: 48px 1fr 1.45fr 30px; align-items: start; gap: 28px; border-top: 1px solid var(--line); padding-block: 31px; }
.service:last-child { border-bottom: 1px solid var(--line); }
.service-number { color: #64736e; font-size: 11px; padding-top: 5px; }
.service h3 { font-size: 26px; }
.service > div > p:first-child { color: var(--muted); font-size: 14px; max-width: 470px; }
.service-detail { margin-top: 15px; color: #596851; font-size: 10px; }
.service-arrow { font-size: 23px; color: #6c7971; line-height: 1; }
.approach-section { background: var(--tint); }
.steps { padding: 0; margin: 0; list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.steps li { border-top: 1px solid #cbd3c7; padding-top: 20px; }
.step-number { font-size: 10px; color: #566752; }
.steps h3 { margin-top: 25px; margin-bottom: 20px; font-size: 27px; }
.steps p { font-size: 13px; color: var(--muted); }
.about-section { display: grid; grid-template-columns: 1fr 1.45fr; gap: 60px; }
.about-section .eyebrow { align-self: start; margin-top: 10px; }
.about-section h2 { margin-bottom: 25px; }
.about-section p:not(.eyebrow) { max-width: 590px; color: var(--muted); font-size: 15px; margin-bottom: 17px; }
.text-link { display: inline-flex; gap: 25px; align-items: center; margin-top: 10px; font-size: 13px; font-weight: 500; }
.contact-section { background: #eaf0fa; border-block: 1px solid #d8e1f0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 100px; }
.contact-copy > p:not(.eyebrow) { font-size: 15px; color: #506178; margin-top: 24px; max-width: 330px; }
.contact-copy > .contact-note { margin-top: 42px; font-size: 12px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { margin-bottom: 20px; }
label { display: block; font-size: 12px; font-weight: 500; margin-bottom: 8px; }
label span { color: #596a7c; font-weight: 400; }
input, textarea { width: 100%; border: 1px solid #becbdd; background: #fbfcff; color: var(--ink); border-radius: 4px; padding: 12px; font: inherit; font-size: 16px; }
textarea { resize: vertical; min-height: 150px; }
textarea::placeholder { color: #65748a; font-size: 13px; }
.form-privacy { font-size: 11px; color: #506178; margin-bottom: 22px; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 48px; margin-top: 15px; font-size: 13px; }
.form-status[data-state="error"] { color: #9a2929; }
.form-status[data-state="success"] { color: #245c43; }
.site-footer { display: flex; align-items: center; gap: 30px; justify-content: space-between; padding-block: 32px; font-size: 11px; color: var(--muted); }
.site-footer .wordmark { color: var(--ink); font-size: 18px; }
.site-footer .wordmark-note { font-size: 10px; }
.prose { max-width: 720px; min-height: 65vh; padding-block: 70px 90px; }
.prose h1 { font-size: clamp(2.6rem, 5vw, 4rem); margin-bottom: 32px; }
.prose h2 { font-size: 24px; margin-top: 35px; margin-bottom: 14px; }
.prose p { color: var(--muted); margin-bottom: 18px; }
@media (min-width: 1600px) { .hero { padding-block: 100px 110px; } }
@media (max-width: 1100px) {
  .wrap { width: calc(100% - 64px); }
  .wordmark-note { display: none; }
  .hero { gap: 35px; }
  .system-visual { padding: 20px; }
  .business-node { padding: 20px 15px; width: 100%; }
  .contact-grid { gap: 50px; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 40px); }
  .site-header { min-height: 86px; gap: 15px; }
  .wordmark { font-size: 19px; }
  nav { gap: 14px; font-size: 12px; }
  nav a[href="#about"] { display: none; }
  nav .nav-contact { padding: 8px 10px; }
  .nav-contact span { margin-left: 8px; }
  .hero { grid-template-columns: 1fr; padding-block: 50px; gap: 38px; }
  h1 { font-size: clamp(3.35rem, 10vw, 5rem); }
  .hero-description { font-size: 15px; max-width: 500px; }
  .eyebrow { font-size: 9px; }
  .system-visual { width: 100%; max-width: 460px; margin-inline: auto; transform: none; }
  .intro-band-inner { display: block; padding-block: 25px; }
  .intro-band-inner > p:last-child { margin-top: 18px; }
  .section { padding-block: 60px; }
  .section-heading { grid-template-columns: 1fr; gap: 20px; margin-bottom: 35px; }
  .section-heading .eyebrow { margin-bottom: 0; }
  .service { grid-template-columns: 25px 1fr 20px; gap: 16px; padding-block: 26px; }
  .service > div { grid-column: 2; }
  .service-arrow { grid-column: 3; grid-row: 1; }
  .service h3 br { display: none; }
  .service h3 { font-size: 25px; }
  .steps { grid-template-columns: 1fr; gap: 30px; }
  .steps h3 { margin-top: 13px; margin-bottom: 13px; }
  .steps h3 br { display: none; }
  .about-section { grid-template-columns: 1fr; gap: 8px; }
  .contact-grid { grid-template-columns: 1fr; gap: 35px; }
  .contact-copy > .contact-note { margin-top: 22px; }
  .site-footer { flex-wrap: wrap; gap: 14px 24px; }
  .site-footer > span { order: 3; width: 100%; }
  .prose { padding-block: 45px; }
}
@media (max-width: 400px) {
  nav { gap: 12px; }
  nav a[href="#approach"] { display: none; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .button { font-size: 12px; gap: 16px; padding-inline: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}