:root {
  --navy: #081f36;
  --blue: #0b3155;
  --blue-2: #0e5e97;
  --cyan: #1597d4;
  --green: #18745d;
  --orange: #e6802a;
  --ink: #12243a;
  --muted: #5d6c7e;
  --line: #d7e2eb;
  --surface: #f2f6f9;
  --white: #ffffff;
  --max: 1220px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px max(24px, calc((100% - var(--max)) / 2));
  border-bottom: 1px solid rgba(215, 226, 235, .86);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; }
.brand span { white-space: nowrap; }
.brand img { width: 45px; height: 45px; object-fit: contain; }
.site-nav { display: flex; align-items: center; gap: 24px; font-size: 14px; font-weight: 650; }
.site-nav a { text-decoration: none; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--blue-2); }
.nav-cta { padding: 10px 15px; border: 1px solid var(--blue-2); border-radius: 6px; }

.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background-color: var(--navy);
  background-image: url("hero-los-concept.png");
  background-position: center;
  background-size: cover;
}
.hero-shade { position: absolute; inset: 0; background: rgba(5, 24, 42, .72); }
.hero-content { position: relative; z-index: 1; width: min(var(--max), calc(100% - 48px)); margin: 0 auto; padding: 76px 0; }
.hero-content > * { max-width: 760px; }
.eyebrow { margin: 0 0 14px; color: #82cceb; font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: 0; }
.company-name { margin: 0 0 14px; color: #82cceb; font-size: 13px; font-weight: 800; }
.eyebrow-dark { color: var(--blue-2); }
.hero h1 { margin: 0; font-size: 64px; line-height: 1.04; letter-spacing: 0; }
.hero-lead { margin: 26px 0 0; color: #e5eff6; font-size: 22px; line-height: 1.5; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-note { margin-top: 32px; color: #bdd0dd; font-size: 12px; }

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 750;
  text-decoration: none;
  transition: transform .2s ease, background-color .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--cyan); color: var(--white); }
.button-primary:hover { background: #0e83bc; }
.button-secondary { border-color: rgba(255, 255, 255, .55); background: rgba(5, 24, 42, .35); color: var(--white); }
.button-light { background: var(--white); color: var(--blue); }
.button-outline-light { border-color: rgba(255, 255, 255, .5); color: var(--white); }

.trust-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}
.trust-band div { min-height: 110px; padding: 24px; border-right: 1px solid var(--line); }
.trust-band div:last-child { border-right: 0; }
.trust-band strong, .trust-band span { display: block; }
.trust-band strong { color: var(--blue); font-size: 20px; }
.trust-band span { margin-top: 5px; color: var(--muted); font-size: 14px; }

.section-wrap { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.intro { padding: 96px 0; }
.intro-copy { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; align-items: end; }
h2 { margin: 0; font-size: 42px; line-height: 1.15; letter-spacing: 0; }
.intro-copy > p { margin: 0; color: var(--muted); font-size: 18px; }
.offer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px; }
.offer-grid article { min-height: 220px; padding: 30px; border-top: 4px solid var(--cyan); background: var(--surface); }
.offer-grid article:nth-child(2) { border-color: var(--green); }
.offer-grid article:nth-child(3) { border-color: var(--orange); }
.offer-grid span { color: var(--blue-2); font-size: 13px; font-weight: 800; }
.offer-grid h3 { margin: 34px 0 8px; font-size: 25px; }
.offer-grid p { margin: 0; color: var(--muted); }

.challenge-band { color: var(--white); background: var(--blue); }
.challenge-inner { display: grid; grid-template-columns: .7fr 1.3fr; gap: 70px; padding: 70px 0; }
.challenge-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.challenge-list article { padding: 22px; border-left: 3px solid var(--cyan); background: rgba(255,255,255,.07); }
.challenge-list b, .challenge-list span { display: block; }
.challenge-list span { margin-top: 8px; color: #c8d7e3; font-size: 14px; }

.system-map, .solutions, .cases, .request { padding: 96px 0; }
.section-head { display: grid; grid-template-columns: 1fr .8fr; gap: 70px; align-items: end; margin-bottom: 42px; }
.section-head > p { margin: 0; color: var(--muted); font-size: 16px; }
.flow-map { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr auto 1fr; align-items: center; gap: 10px; }
.supply-map { grid-template-columns: repeat(3, 1fr); align-items: stretch; gap: 16px; }
.flow-node { min-height: 138px; padding: 18px; border: 1px solid var(--line); border-top: 4px solid var(--cyan); background: var(--white); }
.flow-node span, .flow-node b, .flow-node small { display: block; }
.flow-node span { color: var(--blue-2); font-size: 12px; font-weight: 800; }
.flow-node b { margin-top: 22px; font-size: 17px; }
.flow-node small { margin-top: 5px; color: var(--muted); line-height: 1.35; }
.flow-result { border-top-color: var(--green); background: #eef7f4; }
.flow-arrow { color: var(--blue-2); font-size: 22px; }

.solutions { border-top: 1px solid var(--line); }
.solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.solution-card { min-height: 270px; padding: 26px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); transition: transform .2s ease, box-shadow .2s ease; }
.solution-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(10, 49, 85, .1); }
.solution-featured { grid-column: span 2; color: var(--white); border-color: var(--blue); background: var(--blue); }
.solution-number { color: var(--cyan); font-size: 13px; font-weight: 800; }
.solution-card h3 { margin: 36px 0 10px; font-size: 24px; line-height: 1.2; }
.solution-card p { margin: 0; color: var(--muted); }
.solution-featured p { max-width: 660px; color: #cfe0ec; }
.solution-card a { display: inline-block; margin-top: 26px; color: var(--blue-2); font-weight: 750; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.solution-featured a { color: var(--white); }

.capability { color: var(--white); background: var(--navy); }
.capability-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; padding: 86px 0; }
.capability-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; border: 1px solid rgba(255,255,255,.16); border-radius: 8px; background: var(--white); }
.capability-media p { margin: 10px 0 0; color: #9eb3c3; font-size: 12px; }
.capability-copy > p { color: #c5d5e1; font-size: 17px; }
.capability-copy ul { margin: 28px 0; padding-left: 21px; color: #dce7ee; }
.capability-copy li { margin: 8px 0; }
.text-link { color: #78c5e8; font-weight: 750; text-underline-offset: 4px; }

.case-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 18px; }
.case-card { overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--white); }
.case-card > img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.case-main > img { aspect-ratio: 16 / 8; }
.case-body { padding: 28px; }
.case-tag { margin: 0 0 10px; color: var(--blue-2); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.case-body h3 { margin: 0; font-size: 26px; line-height: 1.2; }
.case-body > p:not(.case-tag) { color: var(--muted); }
.case-body > small { display: block; margin-top: 18px; color: var(--muted); }
.case-body > a { display: inline-block; margin-top: 20px; color: var(--blue-2); font-weight: 750; text-underline-offset: 4px; }
.result-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 22px; }
.result-row span { padding: 14px; background: #eef7f4; color: var(--green); font-size: 13px; }
.result-row b { display: block; font-size: 25px; }

.request { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; border-top: 1px solid var(--line); }
.request-copy > p:last-child { color: var(--muted); font-size: 17px; }
.request-list { margin: 0; padding: 0; list-style: none; }
.request-list li { display: grid; grid-template-columns: 54px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.request-list li > span { color: var(--cyan); font-size: 13px; font-weight: 800; }
.request-list b, .request-list small { display: block; }
.request-list b { font-size: 17px; }
.request-list small { margin-top: 3px; color: var(--muted); font-size: 14px; }

.final-cta { color: var(--white); background: var(--blue-2); }
.final-inner { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: center; padding: 72px 0; }
.final-inner p:last-child { max-width: 710px; color: #d6e7f2; }
.final-actions { display: grid; gap: 10px; min-width: 250px; }
.site-footer { min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px max(24px, calc((100% - var(--max)) / 2)); color: var(--muted); font-size: 13px; }
.site-footer a { color: var(--blue-2); font-weight: 750; }
.mobile-cta { display: none; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1050px) {
  .site-nav a:not(.nav-cta) { display: none; }
  .hero h1 { font-size: 52px; }
  .trust-band { grid-template-columns: repeat(2, 1fr); }
  .trust-band div:nth-child(2) { border-right: 0; }
  .trust-band div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .intro-copy, .challenge-inner, .section-head, .capability-grid, .request { grid-template-columns: 1fr; gap: 34px; }
  .flow-map { grid-template-columns: repeat(3, 1fr); }
  .supply-map { grid-template-columns: repeat(3, 1fr); }
  .flow-arrow { display: none; }
  .solution-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .case-card:not(.case-main) { display: grid; grid-template-columns: .8fr 1.2fr; }
  .case-card:not(.case-main) > img { height: 100%; aspect-ratio: auto; }
}

@media (max-width: 720px) {
  body { padding-bottom: 64px; }
  .site-header { min-height: 64px; padding: 9px 18px; }
  .brand img { width: 38px; height: 38px; }
  .brand span { font-size: 13px; }
  .site-nav { display: none; }
  .hero { min-height: 620px; background-position: 62% center; }
  .hero-content { width: calc(100% - 36px); padding: 58px 0; }
  .hero h1 { font-size: 38px; line-height: 1.08; }
  .hero-lead { font-size: 18px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .trust-band { grid-template-columns: 1fr; }
  .trust-band div { min-height: 90px; border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-band div:last-child { border-bottom: 0; }
  .section-wrap { width: calc(100% - 36px); }
  .intro, .system-map, .solutions, .cases, .request { padding: 68px 0; }
  h2 { font-size: 32px; }
  .intro-copy { display: block; }
  .intro-copy > p { margin-top: 20px; font-size: 16px; }
  .offer-grid, .challenge-list, .flow-map, .supply-map, .solution-grid { grid-template-columns: 1fr; }
  .offer-grid article { min-height: 190px; }
  .challenge-inner, .capability-grid { padding: 58px 0; }
  .solution-featured { grid-column: auto; }
  .solution-card { min-height: 240px; }
  .case-main > img, .case-card > img { aspect-ratio: 4 / 3; }
  .case-card:not(.case-main) { display: block; }
  .result-row { grid-template-columns: 1fr; }
  .final-inner { grid-template-columns: 1fr; padding: 58px 0; }
  .site-footer { min-height: 110px; flex-direction: column; align-items: flex-start; justify-content: center; padding: 22px 18px; }
  .mobile-cta { position: fixed; z-index: 60; right: 12px; bottom: 10px; left: 12px; min-height: 48px; display: flex; align-items: center; justify-content: center; border-radius: 6px; background: var(--cyan); color: var(--white); font-weight: 800; text-decoration: none; box-shadow: 0 12px 30px rgba(5, 24, 42, .28); }
}

@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; }
}