:root {
  --ink: #081827;
  --ink-soft: #153047;
  --paper: #f5f2e9;
  --paper-bright: #fffdf7;
  --line: rgba(8, 24, 39, .16);
  --line-dark: rgba(255, 255, 255, .14);
  --blue: #0877d1;
  --blue-dark: #04538f;
  --yellow: #ffc928;
  --yellow-soft: #fff0a8;
  --green: #4dd19c;
  --muted: #607080;
  --muted-light: #a8bac9;
  --white: #ffffff;
  --shadow: 0 28px 80px rgba(8, 24, 39, .13);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --container: 1180px;
  --font-body: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Sora", var(--font-body);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
::selection { background: var(--yellow); color: var(--ink); }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 9999;
  padding: 12px 16px;
  background: var(--yellow);
  color: var(--ink);
  border-radius: 8px;
  font-weight: 700;
  transition: top .2s ease;
}
.skip-link:focus { top: 16px; }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 112px 0; }
.section-index {
  margin: 0 0 22px;
  color: var(--blue);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.section-heading { max-width: 880px; }
.section-heading h2,
.method-intro h2,
.operator-panel h2,
.fit-copy h2,
.knowledge-copy h2,
.contact-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 4.8vw, 4.6rem);
  line-height: 1.08;
  letter-spacing: -.045em;
}
.section-heading h2 span,
.method-intro h2 span,
.solutions-layout h2 span { color: var(--blue); }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s ease, transform .75s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* Navigation */
.topbar {
  position: absolute;
  inset: 0 0 auto;
  z-index: 100;
  color: var(--white);
}
.nav-shell {
  height: 88px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-family: var(--font-display); font-weight: 700; }
.brand-mark { display: inline-flex; align-items: center; gap: 2px; color: var(--blue); font-size: .82rem; font-weight: 800; }
.brand-mark i { width: 17px; height: 17px; display: inline-block; background: var(--yellow); clip-path: polygon(50% 0, 60% 23%, 84% 16%, 79% 41%, 100% 50%, 79% 59%, 84% 84%, 60% 77%, 50% 100%, 40% 77%, 16% 84%, 21% 59%, 0 50%, 21% 41%, 16% 16%, 40% 23%); }
.brand-name { font-size: 1.05rem; letter-spacing: -.02em; }
.desktop-nav { justify-self: center; display: flex; align-items: center; gap: 34px; }
.desktop-nav a { color: #d6e1ea; font-size: .86rem; font-weight: 600; transition: color .2s ease; }
.desktop-nav a:hover { color: var(--yellow); }
.nav-contact {
  padding: 11px 18px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 700;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.nav-contact:hover { background: var(--yellow); border-color: var(--yellow); color: var(--ink); }
.menu-button { display: none; width: 42px; height: 42px; background: transparent; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; align-items: center; justify-content: center; flex-direction: column; gap: 6px; cursor: pointer; }
.menu-button span { width: 17px; height: 1.5px; background: #fff; transition: transform .2s ease; }
.menu-button.open span:first-child { transform: translateY(3.75px) rotate(45deg); }
.menu-button.open span:last-child { transform: translateY(-3.75px) rotate(-45deg); }
.mobile-menu { display: none; }

/* Hero */
.hero-section {
  position: relative;
  overflow: hidden;
  min-height: 880px;
  padding: 174px 0 0;
  color: var(--white);
  background:
    radial-gradient(circle at 84% 18%, rgba(8, 119, 209, .28), transparent 28%),
    linear-gradient(145deg, #06131f 0%, #081827 52%, #0e263a 100%);
}
.hero-grid-pattern {
  position: absolute;
  inset: 0;
  opacity: .32;
  background-image: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, #000, transparent 90%);
}
.hero-section::after {
  content: "";
  position: absolute;
  width: 580px;
  height: 580px;
  right: -270px;
  bottom: -250px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 50%;
  box-shadow: 0 0 0 90px rgba(255,255,255,.025), 0 0 0 180px rgba(255,255,255,.018);
}
.hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr); gap: 70px; align-items: center; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 26px; color: #bdd0df; font-size: .77rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow span { width: 32px; height: 2px; background: var(--yellow); }
.hero-copy h1 { margin: 0; font-family: var(--font-display); font-size: clamp(3rem, 5.8vw, 5.9rem); line-height: .98; letter-spacing: -.06em; max-width: 760px; }
.hero-copy h1 em { display: block; color: var(--yellow); font-style: normal; }
.hero-description { max-width: 660px; margin: 30px 0 0; color: #c5d3dd; font-size: 1.07rem; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; padding: 0 22px; border-radius: 999px; font-size: .87rem; font-weight: 700; transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--yellow); color: var(--ink); box-shadow: 0 12px 40px rgba(255, 201, 40, .18); }
.button-primary:hover { background: #ffda58; }
.button-text { min-height: auto; padding: 8px 0; color: #e3edf4; border-bottom: 1px solid rgba(255,255,255,.22); border-radius: 0; }
.button-dark { background: var(--ink); color: #fff; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 42px; color: #98adbd; font-size: .78rem; }
.hero-meta span { display: flex; align-items: center; gap: 9px; }
.hero-meta span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--green); }

/* System map */
.system-map { position: relative; background: rgba(7, 22, 35, .78); border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-lg); box-shadow: 0 35px 90px rgba(0,0,0,.34); overflow: hidden; backdrop-filter: blur(12px); }
.system-map::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 50% 44%, rgba(8,119,209,.17), transparent 35%); pointer-events: none; }
.system-map-head { position: relative; display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding: 24px 25px; border-bottom: 1px solid rgba(255,255,255,.1); }
.system-map-head div { display: grid; gap: 4px; }
.map-kicker { color: #7e96a8; font-size: .65rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.system-map-head strong { font-family: var(--font-display); font-size: .93rem; }
.map-status { display: inline-flex; align-items: center; gap: 7px; padding: 5px 9px; color: #bcefdc; background: rgba(77,209,156,.1); border: 1px solid rgba(77,209,156,.25); border-radius: 999px; font-size: .66rem; font-weight: 700; }
.map-status i { width: 6px; height: 6px; background: var(--green); border-radius: 50%; box-shadow: 0 0 0 4px rgba(77,209,156,.09); }
.map-flow { position: relative; min-height: 390px; display: grid; grid-template-columns: 1fr 36px 1.2fr 36px 1fr; align-items: center; gap: 8px; padding: 32px 24px; }
.map-label { color: #7e96a8; font-size: .66rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.source-pills { display: grid; gap: 9px; margin-top: 14px; }
.source-pills span { padding: 10px 12px; color: #c8d7e1; border: 1px solid rgba(255,255,255,.1); border-radius: 8px; background: rgba(255,255,255,.035); font-size: .72rem; }
.map-arrow { display: flex; align-items: center; }
.map-arrow span { position: relative; width: 100%; height: 1px; background: rgba(255,255,255,.24); }
.map-arrow span::after { content: ""; position: absolute; right: -1px; top: -3px; width: 7px; height: 7px; border-top: 1px solid rgba(255,255,255,.45); border-right: 1px solid rgba(255,255,255,.45); transform: rotate(45deg); }
.map-core { position: relative; aspect-ratio: 1; display: grid; place-items: center; }
.core-orbit { position: absolute; border: 1px solid rgba(8,119,209,.35); border-radius: 50%; }
.orbit-one { inset: 9%; }
.orbit-two { inset: 23%; border-color: rgba(255,201,40,.32); }
.core-orbit::before, .core-orbit::after { content: ""; position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 14px rgba(8,119,209,.8); }
.orbit-one::before { top: 12%; left: 15%; }
.orbit-one::after { bottom: 10%; right: 17%; background: var(--yellow); }
.core-badge { position: relative; z-index: 2; width: 126px; height: 126px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: #0b2438; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; box-shadow: 0 0 45px rgba(8,119,209,.18); }
.core-icon { width: 33px; height: 33px; display: grid; place-items: center; margin-bottom: 7px; color: var(--ink); background: var(--yellow); border-radius: 9px; font-family: var(--font-display); font-size: .64rem; font-weight: 800; }
.core-badge strong { font-size: .76rem; }
.core-badge small { color: #7891a3; font-size: .56rem; }
.map-output ul { list-style: none; display: grid; gap: 13px; padding: 0; margin: 15px 0 0; }
.map-output li { display: flex; align-items: flex-start; gap: 8px; color: #cad8e2; font-size: .69rem; line-height: 1.45; }
.map-output li i { flex: 0 0 auto; width: 6px; height: 6px; margin-top: 5px; border-radius: 50%; background: var(--green); }
.map-footer { position: relative; display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; padding: 15px 20px; border-top: 1px solid rgba(255,255,255,.1); color: #7690a3; font-size: .62rem; font-weight: 700; text-transform: uppercase; letter-spacing: .09em; }
.map-footer b { color: var(--blue); }
.capability-rail { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 80px; border-top: 1px solid rgba(255,255,255,.12); }
.capability-rail span { padding: 24px 12px; color: #99adbc; border-right: 1px solid rgba(255,255,255,.1); text-align: center; font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.capability-rail span:last-child { border-right: 0; }

/* Diagnosis */
.diagnosis-section { background: var(--paper); }
.diagnosis-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: start; }
.diagnosis-content { padding-top: 55px; }
.lead-paragraph { margin: 0 0 38px; color: var(--ink-soft); font-size: 1.08rem; line-height: 1.9; }
.before-after { display: grid; grid-template-columns: 1fr 48px 1fr; align-items: stretch; gap: 18px; }
.before-after article { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.4); }
.before-after .after-card { color: #fff; background: var(--ink); border-color: var(--ink); }
.state-label { margin: 0 0 18px; font-size: .72rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.state-before { color: #9a5e44; }
.state-after { color: var(--green); }
.before-after ul { list-style: none; display: grid; gap: 13px; padding: 0; margin: 0; }
.before-after li { position: relative; padding-left: 18px; font-size: .84rem; line-height: 1.55; }
.before-after li::before { content: ""; position: absolute; left: 0; top: 8px; width: 7px; height: 1px; background: currentColor; opacity: .55; }
.transition-mark { display: grid; place-items: center; color: var(--blue); font-size: 1.5rem; }

/* Cases */
.case-section { color: #fff; background: var(--ink); }
.section-heading-light h2 span { color: var(--yellow); }
.section-heading-light .section-index { color: #7fbfe9; }
.featured-case { margin-top: 62px; display: grid; grid-template-columns: .85fr 1.35fr; gap: 52px; align-items: center; }
.case-copy { padding: 30px 0; }
.case-tag { display: inline-flex; padding: 7px 11px; color: #8fc9f2; border: 1px solid rgba(143,201,242,.28); border-radius: 999px; font-size: .67rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.case-copy h3 { margin: 24px 0 18px; font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 3.15rem); line-height: 1.15; letter-spacing: -.04em; }
.case-copy > p { color: #b9c9d5; line-height: 1.85; }
.case-facts { display: grid; gap: 0; margin: 34px 0; }
.case-facts div { display: grid; grid-template-columns: 92px 1fr; gap: 16px; padding: 15px 0; border-top: 1px solid rgba(255,255,255,.12); }
.case-facts div:last-child { border-bottom: 1px solid rgba(255,255,255,.12); }
.case-facts dt { color: #7f98aa; font-size: .69rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; }
.case-facts dd { margin: 0; color: #d7e1e8; font-size: .83rem; }
.case-link, .compact-case a, .solution-item a, .text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--yellow); font-size: .84rem; font-weight: 700; border-bottom: 1px solid rgba(255,201,40,.34); }
.case-ui { min-height: 520px; display: grid; grid-template-columns: 62px 1fr; overflow: hidden; color: var(--ink); background: #e8edf0; border-radius: var(--radius-lg); box-shadow: 0 32px 80px rgba(0,0,0,.35); transform: perspective(1000px) rotateY(-2deg); transform-origin: right center; }
.ui-sidebar { padding: 24px 0; display: flex; flex-direction: column; align-items: center; gap: 22px; background: #071522; }
.ui-logo { width: 32px; height: 32px; display: grid; place-items: center; margin-bottom: 14px; color: var(--ink); background: var(--yellow); border-radius: 9px; font-family: var(--font-display); font-size: .63rem; font-weight: 800; }
.ui-sidebar i { width: 20px; height: 20px; border: 1px solid rgba(255,255,255,.2); border-radius: 6px; }
.ui-sidebar i.active { background: var(--blue); border-color: var(--blue); box-shadow: 0 0 0 5px rgba(8,119,209,.12); }
.ui-main { padding: 30px; overflow: hidden; }
.ui-topline { display: flex; align-items: center; justify-content: space-between; }
.ui-topline div { display: grid; gap: 4px; }
.ui-topline small { color: #738492; font-size: .58rem; font-weight: 700; letter-spacing: .12em; }
.ui-topline strong { font-family: var(--font-display); font-size: 1.25rem; }
.ui-avatar { width: 35px; height: 35px; display: grid; place-items: center; color: #fff; background: var(--blue); border-radius: 50%; font-size: .65rem; font-weight: 800; }
.ui-kpis { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 28px; }
.ui-kpis div { min-width: 0; padding: 18px; background: #fff; border: 1px solid rgba(8,24,39,.08); border-radius: 14px; }
.ui-kpis small { display: block; min-height: 31px; color: #72828f; font-size: .63rem; }
.ui-kpis strong { display: block; margin: 6px 0 2px; font-family: var(--font-display); font-size: 1.65rem; }
.ui-kpis span { color: #48a780; font-size: .57rem; }
.ui-lower { display: grid; grid-template-columns: 1.25fr .75fr; gap: 14px; margin-top: 14px; }
.ui-chart, .ui-events { padding: 18px; background: #fff; border: 1px solid rgba(8,24,39,.08); border-radius: 14px; }
.ui-block-title { display: flex; justify-content: space-between; gap: 14px; }
.ui-block-title span { font-size: .72rem; font-weight: 800; }
.ui-block-title small { color: #8795a0; font-size: .55rem; }
.bars { height: 170px; display: flex; align-items: end; gap: 10px; padding-top: 24px; border-bottom: 1px solid #dbe3e8; background: repeating-linear-gradient(to bottom, transparent 0, transparent 39px, rgba(8,24,39,.06) 40px); }
.bars i { flex: 1; height: var(--h); min-width: 8px; border-radius: 5px 5px 0 0; background: linear-gradient(to top, var(--blue-dark), #36a1ef); }
.ui-events ul { list-style: none; display: grid; gap: 17px; padding: 20px 0 0; margin: 0; }
.ui-events li { display: flex; gap: 9px; }
.ui-events li > i { flex: 0 0 auto; width: 8px; height: 8px; margin-top: 4px; border-radius: 50%; }
.event-ok { background: var(--green); }.event-warn { background: var(--yellow); }
.ui-events li span { display: grid; }
.ui-events b { font-size: .61rem; }.ui-events small { color: #7b8b97; font-size: .52rem; }
.case-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 64px; }
.compact-case { min-height: 300px; padding: 36px; color: var(--ink); background: var(--yellow); border-radius: var(--radius-lg); }
.compact-case-alt { color: #fff; background: var(--blue); }
.case-number { margin: 0 0 50px; font-size: .66rem; font-weight: 800; letter-spacing: .14em; }
.compact-case h3 { margin: 0 0 14px; font-family: var(--font-display); font-size: 1.65rem; letter-spacing: -.035em; }
.compact-case p:not(.case-number) { max-width: 500px; margin: 0 0 28px; font-size: .9rem; line-height: 1.75; }
.compact-case a { color: inherit; border-color: currentColor; }

/* Solutions */
.solutions-section { background: var(--paper-bright); }
.solutions-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 84px; align-items: start; }
.sticky-heading { position: sticky; top: 60px; }
.sticky-heading p:last-child { max-width: 510px; margin-top: 28px; color: var(--muted); }
.solution-list { border-top: 1px solid var(--line); }
.solution-item { display: grid; grid-template-columns: 60px 1fr; gap: 26px; padding: 42px 0; border-bottom: 1px solid var(--line); }
.solution-number { padding-top: 6px; color: var(--blue); font-size: .68rem; font-weight: 800; letter-spacing: .13em; }
.solution-item h3 { margin: 0 0 13px; font-family: var(--font-display); font-size: clamp(1.45rem,2.2vw,2.2rem); letter-spacing: -.035em; }
.solution-item p { max-width: 680px; margin: 0; color: var(--muted); line-height: 1.8; }
.solution-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 23px 0; }
.solution-tags span { padding: 6px 10px; color: var(--ink-soft); border: 1px solid var(--line); border-radius: 999px; font-size: .65rem; font-weight: 700; }
.solution-item a { color: var(--blue); border-color: rgba(8,119,209,.3); }

/* Method */
.method-section { color: #fff; background: linear-gradient(135deg, #0e2c43, #071827); }
.method-intro { display: grid; grid-template-columns: 1fr .75fr; gap: 80px; align-items: end; }
.method-intro .section-index { grid-column: 1 / -1; margin-bottom: -35px; color: #87bedd; }
.method-intro h2 span { color: var(--yellow); }
.method-intro > p:last-child { margin: 0; color: #afc1ce; line-height: 1.85; }
.method-track { position: relative; list-style: none; display: grid; grid-template-columns: repeat(5,1fr); gap: 0; padding: 0; margin: 82px 0 0; border-top: 1px solid rgba(255,255,255,.16); }
.method-track::before { content: ""; position: absolute; top: -2px; left: 0; width: 20%; height: 3px; background: var(--yellow); }
.method-track li { min-height: 260px; padding: 30px 22px; border-right: 1px solid rgba(255,255,255,.12); }
.method-track li:last-child { border-right: 0; }
.method-track > li > span { color: var(--yellow); font-size: .68rem; font-weight: 800; letter-spacing: .13em; }
.method-track h3 { margin: 62px 0 12px; font-family: var(--font-display); font-size: 1.15rem; }
.method-track p { margin: 0; color: #aabcc9; font-size: .79rem; line-height: 1.7; }

/* Operator */
.operator-section { background: var(--yellow); }
.operator-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.operator-panel .section-index { color: #5a4800; }
.operator-panel h2 { font-size: clamp(2.2rem,4.2vw,4.2rem); }
.operator-panel > p:not(.section-index) { max-width: 580px; margin: 28px 0; color: #4d4525; line-height: 1.85; }
.operator-panel .text-link { color: var(--ink); border-color: rgba(8,24,39,.35); }
.operator-matrix { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid rgba(8,24,39,.24); }
.operator-matrix div { min-height: 230px; padding: 28px; border-right: 1px solid rgba(8,24,39,.18); border-bottom: 1px solid rgba(8,24,39,.18); }
.operator-matrix div:nth-child(2n) { border-right: 0; }
.operator-matrix div:nth-child(n+3) { border-bottom: 0; }
.operator-matrix span { display: block; margin-bottom: 45px; color: #6b5c19; font-size: .66rem; font-weight: 800; letter-spacing: .13em; }
.operator-matrix strong { display: block; font-family: var(--font-display); font-size: 1rem; }
.operator-matrix p { margin: 10px 0 0; color: #5f5425; font-size: .77rem; line-height: 1.65; }

/* Fit */
.fit-section { background: var(--paper); }
.fit-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 90px; }
.fit-copy h2 { font-size: clamp(2rem,4vw,3.8rem); }
.fit-copy > p:not(.section-index) { margin: 26px 0 0; color: var(--muted); }
.fit-columns { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.fit-columns > div { padding: 34px; background: rgba(255,255,255,.38); }
.fit-columns > div + div { border-left: 1px solid var(--line); }
.fit-columns .not-fit { background: var(--ink); color: #fff; }
.fit-columns h3 { margin: 0 0 24px; font-family: var(--font-display); font-size: 1.2rem; }
.fit-columns ul { list-style: none; display: grid; gap: 16px; padding: 0; margin: 0; }
.fit-columns li { position: relative; padding-left: 20px; font-size: .82rem; line-height: 1.55; }
.fit-columns li::before { content: "+"; position: absolute; left: 0; color: var(--blue); font-weight: 800; }
.fit-columns .not-fit li::before { content: "–"; color: var(--yellow); }

/* Knowledge */
.knowledge-section { background: #dde7ec; }
.knowledge-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: center; }
.knowledge-copy h2 { font-size: clamp(2.1rem,4.2vw,4rem); }
.knowledge-copy > p:not(.section-index) { margin: 25px 0 32px; color: #506473; }
.knowledge-links { border-top: 1px solid rgba(8,24,39,.2); }
.knowledge-links a { display: grid; grid-template-columns: 110px 1fr auto; gap: 20px; align-items: center; padding: 24px 0; border-bottom: 1px solid rgba(8,24,39,.2); transition: padding .2s ease; }
.knowledge-links a:hover { padding-left: 10px; }
.knowledge-links span { color: var(--blue); font-size: .66rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.knowledge-links strong { font-size: .9rem; }
.knowledge-links i { font-style: normal; color: var(--blue); }

/* Contact */
.contact-section { position: relative; overflow: hidden; padding: 120px 0; color: #fff; background: #06131f; }
.contact-backdrop { position: absolute; inset: 0; background: radial-gradient(circle at 12% 16%, rgba(8,119,209,.25), transparent 25%), linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg,rgba(255,255,255,.04) 1px, transparent 1px); background-size: auto, 64px 64px,64px 64px; }
.contact-layout { position: relative; z-index: 2; display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: start; }
.contact-copy h2 { font-size: clamp(2.3rem,4.5vw,4.5rem); }
.contact-copy > p:not(.section-index) { margin: 28px 0; color: #afc0cc; }
.contact-email { display: grid; gap: 8px; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.13); border-bottom: 1px solid rgba(255,255,255,.13); }
.contact-email span { color: #7890a2; font-size: .67rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.contact-email a { display: flex; align-items: center; justify-content: space-between; gap: 20px; font-family: var(--font-display); font-size: clamp(1.15rem,2vw,1.7rem); }
.contact-email b { color: var(--yellow); }
.contact-notice { margin-top: 28px; padding: 18px; color: #c5d2db; background: rgba(255,255,255,.04); border-left: 3px solid var(--yellow); }
.contact-notice strong { color: #fff; font-size: .78rem; }
.contact-notice p { margin: 6px 0 0; font-size: .74rem; line-height: 1.65; }
.form-panel { padding: 38px; color: var(--ink); background: var(--paper-bright); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.form-heading { display: grid; gap: 8px; margin-bottom: 28px; }
.form-heading span { color: var(--blue); font-size: .68rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.form-heading h3 { margin: 0; font-family: var(--font-display); font-size: clamp(1.45rem,2.4vw,2.2rem); line-height: 1.25; letter-spacing: -.035em; }
#contact-form { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
#contact-form label { display: grid; gap: 7px; color: var(--ink-soft); font-size: .72rem; font-weight: 700; }
#contact-form input, #contact-form select, #contact-form textarea { width: 100%; color: var(--ink); background: #fff; border: 1px solid rgba(8,24,39,.17); border-radius: 10px; outline: none; transition: border-color .2s ease, box-shadow .2s ease; }
#contact-form input, #contact-form select { min-height: 48px; padding: 0 13px; }
#contact-form textarea { min-height: 112px; padding: 13px; resize: vertical; }
#contact-form input:focus, #contact-form select:focus, #contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(8,119,209,.1); }
#contact-form ::placeholder { color: #9ba7af; }
.scope-check { grid-template-columns: auto 1fr !important; align-items: flex-start; gap: 10px !important; font-weight: 500 !important; line-height: 1.55; }
.scope-check input { width: 16px !important; min-height: 16px !important; margin-top: 3px; accent-color: var(--blue); }
.submit-button { min-height: 54px; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; color: var(--ink); background: var(--yellow); border: 0; border-radius: 12px; font-weight: 800; cursor: pointer; transition: background .2s ease, transform .2s ease; }
.submit-button:hover { background: #ffda58; transform: translateY(-2px); }
.submit-button:disabled { opacity: .65; cursor: wait; transform: none; }
.privacy-note { margin: -6px 0 0; color: #7a8994; font-size: .66rem; }
.privacy-note a { color: #315c79; text-decoration: underline; text-underline-offset: 2px; }
.privacy-note a:hover { color: #0b6fb8; }
.form-message { display: none; padding: 13px 15px; border-radius: 9px; font-size: .76rem; font-weight: 700; }
.form-success { color: #176743; background: #e4f8ee; border: 1px solid #b8ebd2; }
.form-error { color: #8b2f2f; background: #fff0f0; border: 1px solid #f1c7c7; }
.honeypot { position: absolute !important; left: -9999px !important; opacity: 0 !important; pointer-events: none !important; }

/* Footer */
.site-footer { color: #d2dee6; background: #030b12; }
.footer-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; padding: 70px 0 54px; }
.footer-main .brand { color: #fff; }
.footer-main p { max-width: 440px; margin: 22px 0 0; color: #7f96a7; font-size: .82rem; }
.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
.footer-links div { display: grid; align-content: start; gap: 9px; }
.footer-links strong { margin-bottom: 8px; color: #fff; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-links a { color: #8ea2b1; font-size: .76rem; transition: color .2s ease; }
.footer-links a:hover { color: var(--yellow); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 20px 0 28px; color: #607789; border-top: 1px solid rgba(255,255,255,.09); font-size: .68rem; }

/* Responsive */
@media (max-width: 1050px) {
  .hero-layout { grid-template-columns: 1fr; }
  .hero-copy { max-width: 850px; }
  .system-map { max-width: 780px; }
  .hero-section { min-height: auto; }
  .diagnosis-layout, .solutions-layout, .fit-grid, .knowledge-layout, .contact-layout { grid-template-columns: 1fr; gap: 55px; }
  .diagnosis-content { padding-top: 0; }
  .sticky-heading { position: static; }
  .featured-case { grid-template-columns: 1fr; }
  .case-copy { max-width: 760px; }
  .case-ui { transform: none; }
  .operator-grid { grid-template-columns: 1fr; }
  .method-intro { grid-template-columns: 1fr; gap: 25px; }
  .method-intro .section-index { grid-column: auto; margin-bottom: 0; }
  .method-track { grid-template-columns: repeat(3,1fr); }
  .method-track li:nth-child(3) { border-right: 0; }
  .footer-layout { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 780px) {
  .section { padding: 82px 0; }
  .nav-shell { height: 72px; grid-template-columns: 1fr auto; }
  .desktop-nav, .nav-contact { display: none; }
  .menu-button { display: flex; }
  .mobile-menu { position: fixed; z-index: 99; top: 72px; left: 20px; right: 20px; display: grid; gap: 0; max-height: 0; overflow: hidden; opacity: 0; color: #fff; background: #0b2031; border: 1px solid rgba(255,255,255,.12); border-radius: 16px; transition: max-height .3s ease, opacity .2s ease; }
  .mobile-menu.open { max-height: 420px; opacity: 1; }
  .mobile-menu a { padding: 15px 18px; border-bottom: 1px solid rgba(255,255,255,.08); font-size: .85rem; font-weight: 600; }
  .mobile-menu .mobile-contact { margin: 10px; color: var(--ink); background: var(--yellow); border: 0; border-radius: 10px; text-align: center; }
  .hero-section { padding-top: 132px; }
  .hero-copy h1 { font-size: clamp(2.75rem,12vw,4.8rem); }
  .hero-layout { gap: 50px; }
  .map-flow { grid-template-columns: 1fr; gap: 18px; min-height: auto; }
  .map-arrow { height: 28px; justify-content: center; }
  .map-arrow span { width: 1px; height: 100%; }
  .map-arrow span::after { right: -3px; top: auto; bottom: 0; transform: rotate(135deg); }
  .map-core { max-width: 240px; width: 100%; margin-inline: auto; }
  .source-pills { grid-template-columns: 1fr 1fr; }
  .capability-rail { grid-template-columns: repeat(2,1fr); margin-top: 55px; }
  .capability-rail span { border-bottom: 1px solid rgba(255,255,255,.1); }
  .capability-rail span:last-child { grid-column: 1 / -1; }
  .before-after { grid-template-columns: 1fr; }
  .transition-mark { transform: rotate(90deg); min-height: 28px; }
  .case-ui { grid-template-columns: 48px 1fr; min-height: 470px; }
  .ui-main { padding: 20px; }
  .ui-kpis { grid-template-columns: 1fr 1fr; }
  .ui-kpis div:last-child { grid-column: 1 / -1; }
  .ui-lower { grid-template-columns: 1fr; }
  .ui-events { display: none; }
  .case-pair { grid-template-columns: 1fr; }
  .method-track { grid-template-columns: 1fr; border-top: 0; border-left: 1px solid rgba(255,255,255,.16); }
  .method-track::before { width: 3px; height: 20%; top: 0; left: -2px; }
  .method-track li { min-height: auto; display: grid; grid-template-columns: 45px 1fr; gap: 20px; padding: 25px 24px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .method-track h3 { margin: 0 0 8px; }
  .operator-matrix { grid-template-columns: 1fr; }
  .operator-matrix div { min-height: 190px; border-right: 0 !important; border-bottom: 1px solid rgba(8,24,39,.18) !important; }
  .operator-matrix div:last-child { border-bottom: 0 !important; }
  .operator-matrix span { margin-bottom: 28px; }
  .fit-columns { grid-template-columns: 1fr; }
  .fit-columns > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .knowledge-links a { grid-template-columns: 1fr auto; }
  .knowledge-links span { grid-column: 1 / -1; }
  .form-panel { padding: 26px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 500px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 70px 0; }
  .hero-section { padding-top: 115px; }
  .hero-copy h1 { font-size: clamp(2.45rem,13vw,3.75rem); }
  .hero-description { font-size: .96rem; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button-primary { width: 100%; }
  .button-text { align-self: flex-start; }
  .hero-meta { flex-direction: column; gap: 8px; }
  .system-map-head { flex-direction: column; }
  .map-status { align-self: flex-start; }
  .map-flow { padding-inline: 18px; }
  .source-pills { grid-template-columns: 1fr; }
  .capability-rail { grid-template-columns: 1fr; }
  .capability-rail span, .capability-rail span:last-child { grid-column: auto; border-right: 0; }
  .section-heading h2, .method-intro h2, .operator-panel h2, .fit-copy h2, .knowledge-copy h2, .contact-copy h2 { font-size: 2.15rem; }
  .featured-case { margin-top: 42px; }
  .case-ui { display: block; min-height: 430px; }
  .ui-sidebar { display: none; }
  .ui-kpis { grid-template-columns: 1fr; }
  .ui-kpis div:last-child { grid-column: auto; }
  .compact-case { padding: 28px; }
  .solution-item { grid-template-columns: 38px 1fr; gap: 14px; }
  .operator-grid { gap: 48px; }
  .operator-matrix div { padding: 24px; }
  .fit-columns > div { padding: 28px; }
  .knowledge-links a { gap: 10px; }
  .contact-section { padding: 85px 0; }
  .form-panel { padding: 22px 18px; border-radius: 18px; }
  .footer-links { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Case 01: shipment traceability */
.ui-kpis strong { overflow-wrap: anywhere; }
@media (max-width: 500px) { .ui-kpis strong { font-size: 1.35rem; } }