:root {
  --ink: #12233a;
  --deep: #112742;
  --muted: #607087;
  --line: #dbe5ee;
  --paper: #f7fafc;
  --white: #ffffff;
  --blue: #2674ed;
  --cyan: #10a8b8;
  --mint: #9de4ce;
  --warm: #ffcc6b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
.page-width { width: min(1200px, calc(100% - 64px)); margin-inline: auto; }

.site-header { position: absolute; top: 0; left: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; width: 100%; height: 86px; padding: 0 max(32px, calc((100vw - 1200px) / 2)); color: #fff; border-bottom: 1px solid rgba(255,255,255,.18); }
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: max-content; }
.brand-mark { position: relative; display: inline-grid; grid-template-columns: 7px 7px; gap: 3px; width: 30px; height: 30px; padding: 5px; overflow: hidden; border: 1px solid rgba(255,255,255,.62); border-radius: 4px; transform: rotate(45deg); }
.brand-mark i { display: block; background: currentColor; }
.brand-mark i:nth-child(1) { grid-column: 1 / span 2; opacity: .95; }
.brand-mark i:nth-child(2) { opacity: .58; }
.brand-mark i:nth-child(3) { opacity: .82; }
.brand-name { display: grid; gap: 2px; }
.brand-name b { font-size: 17px; font-weight: 750; }
.brand-name small { color: inherit; font-size: 8px; font-weight: 700; letter-spacing: 1.6px; opacity: .68; }
.site-nav { display: flex; align-items: center; gap: 30px; margin-left: auto; margin-right: 38px; }
.site-nav a { color: rgba(255,255,255,.84); font-size: 14px; transition: color .2s ease; }
.site-nav a:hover { color: #fff; }
.admin-link { display: inline-flex; align-items: center; gap: 9px; height: 38px; padding: 0 15px; border: 1px solid rgba(255,255,255,.44); font-size: 13px; transition: background .2s ease, color .2s ease; }
.admin-link:hover { color: var(--deep); background: #fff; }

.hero { position: relative; display: grid; min-height: 780px; overflow: hidden; color: #fff; background: #173452; isolation: isolate; }
.hero-visual { position: absolute; z-index: -3; width: 100%; height: 100%; object-fit: cover; object-position: 58% 38%; filter: saturate(.92) contrast(1.04); }
.hero-wash { position: absolute; inset: 0; z-index: -2; background: rgba(9,28,54,.22); }
.hero-wash::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 57%; background: rgba(9,31,57,.87); }
.hero::after { content: ""; position: absolute; z-index: -1; top: 86px; bottom: 0; left: max(32px, calc((100vw - 1200px) / 2)); width: 1px; background: rgba(255,255,255,.2); }
.hero-content { align-self: center; padding-top: 100px; padding-bottom: 120px; }
.eyebrow, .section-label { margin: 0; font-size: 11px; font-weight: 750; letter-spacing: 1.55px; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: #b8e9e6; }
.eyebrow span { width: 28px; height: 1px; background: currentColor; }
.hero h1 { max-width: 620px; margin: 24px 0 18px; font-size: 76px; line-height: 1.06; font-weight: 780; }
.hero-lede { max-width: 515px; margin: 0; color: rgba(255,255,255,.87); font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; gap: 13px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 50px; padding: 0 22px; font-size: 14px; font-weight: 700; transition: transform .18s ease, background .18s ease, color .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #08233b; background: var(--mint); }
.button-primary:hover { background: #c0f1df; }
.button-quiet { border: 1px solid rgba(255,255,255,.42); color: #fff; background: rgba(8,28,52,.18); backdrop-filter: blur(7px); }
.button-quiet:hover { background: rgba(255,255,255,.12); }
.hero-status { position: absolute; right: max(32px, calc((100vw - 1200px) / 2)); bottom: 31px; display: flex; align-items: center; gap: 18px; color: rgba(255,255,255,.78); font-size: 12px; }
.hero-status span + span { padding-left: 18px; border-left: 1px solid rgba(255,255,255,.35); }
.signal { display: inline-flex; align-items: center; gap: 7px; color: #d0f4e5; }
.signal i { width: 7px; height: 7px; background: #62e0b4; border-radius: 50%; box-shadow: 0 0 0 5px rgba(98,224,180,.16); }

.proof { background: #122d47; color: #fff; }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.proof-grid > div { display: grid; grid-template-columns: 72px 1fr; gap: 17px; align-items: center; min-height: 106px; padding: 20px 26px; border-right: 1px solid rgba(255,255,255,.13); }
.proof-grid > div:first-child { padding-left: 0; }
.proof-grid > div:last-child { padding-right: 0; border-right: 0; }
.proof strong { color: var(--warm); font-size: 20px; font-weight: 800; letter-spacing: .7px; }
.proof span { color: rgba(255,255,255,.74); font-size: 13px; line-height: 1.65; }

.products { display: grid; grid-template-columns: minmax(250px,.72fr) minmax(0,1.28fr); gap: 78px; align-items: start; padding-top: 132px; padding-bottom: 132px; }
.section-label { color: #168b9c; }
.section-intro h2, .section-heading h2, .security h2, .final-cta h2 { margin: 14px 0 20px; font-size: 51px; line-height: 1.2; font-weight: 760; }
.section-intro > p:last-child { max-width: 360px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.95; }
.product-stage { position: relative; padding: 15px; background: #e6edf4; box-shadow: 0 24px 60px rgba(22,49,76,.13); }
.stage-topline { display: flex; justify-content: space-between; padding: 0 2px 12px; color: #67809c; font-size: 11px; }
.stage-topline span:first-child { color: #155a78; font-weight: 750; }
.product-stage img { display: block; width: 100%; border: 1px solid #dce6ef; }
.stage-note { position: absolute; right: -24px; bottom: 42px; display: flex; align-items: center; gap: 10px; width: min(310px, 58%); padding: 15px 17px; color: #173452; background: #fff; box-shadow: 0 14px 34px rgba(15,36,58,.16); font-size: 12px; line-height: 1.6; }
.stage-note i { flex: 0 0 9px; width: 9px; height: 9px; background: var(--cyan); border-radius: 50%; }

.delivery { padding: 112px 0 120px; color: #eef7f8; background: #0f3242; }
.delivery .section-label { color: #92e4d4; }
.delivery .section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.delivery .section-heading h2 { margin-bottom: 0; }
.delivery-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 62px 0 0; padding: 0; list-style: none; border-top: 1px solid rgba(189,236,228,.33); }
.delivery-steps li { position: relative; padding: 26px 29px 0 0; }
.delivery-steps li + li { padding-left: 26px; border-left: 1px solid rgba(189,236,228,.2); }
.step-index { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; color: #0f3242; background: #abeadd; font-family: ui-monospace, monospace; font-size: 11px; font-weight: 800; }
.delivery-steps h3 { margin: 22px 0 12px; font-size: 19px; font-weight: 700; }
.delivery-steps p { margin: 0; color: rgba(238,247,248,.71); font-size: 13px; line-height: 1.85; }

.security { display: grid; grid-template-columns: .86fr 1.14fr; gap: 90px; padding-top: 140px; padding-bottom: 140px; }
.security-copy > p:not(.section-label) { max-width: 410px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.95; }
.text-link { display: inline-flex; gap: 18px; margin-top: 31px; padding-bottom: 8px; color: #126b8e; border-bottom: 1px solid #94c9d8; font-size: 14px; font-weight: 750; }
.security-map { position: relative; min-height: 368px; overflow: hidden; background: #eef7f6; border: 1px solid #d6e7e6; }
.map-node { position: absolute; display: grid; gap: 5px; width: 164px; min-height: 119px; padding: 20px; background: #fff; box-shadow: 0 12px 28px rgba(33,75,79,.1); }
.map-node span { color: #1f9a99; font-family: ui-monospace, monospace; font-size: 11px; font-weight: 750; }
.map-node strong { font-size: 17px; }
.map-node small { color: #71818b; font-size: 12px; }
.map-core { top: 47px; left: 47px; border-top: 3px solid #2674ed; }
.map-market { top: 125px; left: calc(50% - 82px); border-top: 3px solid #15a7a7; }
.map-client { right: 44px; bottom: 56px; border-top: 3px solid #f0a62f; }
.map-line { position: absolute; height: 0; border-top: 1px dashed #75aeae; transform-origin: left center; }
.line-one { top: 140px; left: 196px; width: 190px; transform: rotate(18deg); }
.line-two { top: 242px; left: 52%; width: 172px; transform: rotate(34deg); }
.map-caption { position: absolute; bottom: 18px; left: 22px; color: #668386; font-size: 11px; letter-spacing: .5px; }
.map-caption b { margin: 0 7px; color: #14aaa7; }

.final-cta { color: #fff; background: #e98028; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; min-height: 310px; }
.final-cta .section-label { color: #fbe1a7; }
.final-cta h2 { margin-bottom: 0; }
.button-light { min-width: 194px; color: #613510; background: #fff8e9; }
.button-light:hover { background: #fff; }

.site-footer { display: flex; align-items: center; min-height: 108px; color: #607187; }
.footer-brand { color: var(--ink); }
.site-footer p { margin: 0 auto 0 24px; font-size: 12px; }
.site-footer > a:last-child { color: #1b6688; font-size: 13px; font-weight: 700; }

@media (max-width: 900px) {
  .site-header { padding-inline: 24px; }
  .site-nav { display: none; }
  .admin-link { margin-left: auto; }
  .hero { min-height: 700px; }
  .hero-visual { object-position: 61% center; }
  .hero-wash { background: rgba(9,28,54,.26); }
  .hero-wash::before { width: 68%; background: rgba(9,31,57,.88); }
  .hero h1 { font-size: 60px; }
  .section-intro h2, .section-heading h2, .security h2, .final-cta h2 { font-size: 42px; }
  .proof-grid > div { grid-template-columns: 1fr; gap: 4px; min-height: 126px; padding-inline: 18px; }
  .products, .security { gap: 42px; }
  .products { grid-template-columns: .8fr 1.2fr; }
  .security { grid-template-columns: 1fr; }
  .security-copy > p:not(.section-label) { max-width: 620px; }
  .delivery-steps { grid-template-columns: repeat(2, 1fr); }
  .delivery-steps li:nth-child(3) { border-left: 0; margin-top: 28px; }
  .delivery-steps li:nth-child(4) { margin-top: 28px; }
}

@media (max-width: 620px) {
  .page-width { width: min(100% - 38px, 540px); }
  .site-header { height: 72px; padding-inline: 19px; }
  .brand-name b { font-size: 16px; }
  .admin-link { height: 34px; padding: 0 11px; font-size: 12px; }
  .hero { min-height: 720px; }
  .hero::after { top: 72px; left: 19px; }
  .hero-visual { object-position: 66% 30%; }
  .hero-wash { background: rgba(9,31,57,.76); }
  .hero-wash::before { display: none; }
  .hero-content { align-self: end; padding-top: 115px; padding-bottom: 146px; }
  .hero h1 { margin-top: 20px; font-size: 43px; }
  .hero-lede { font-size: 15px; line-height: 1.8; }
  .hero-actions { flex-direction: column; margin-top: 28px; }
  .button { min-height: 47px; justify-content: space-between; }
  .hero-status { right: auto; bottom: 25px; left: 19px; gap: 10px; font-size: 10px; }
  .hero-status span + span { padding-left: 10px; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid > div, .proof-grid > div:first-child, .proof-grid > div:last-child { grid-template-columns: 70px 1fr; min-height: 84px; padding: 17px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.13); }
  .proof-grid > div:last-child { border-bottom: 0; }
  .products { grid-template-columns: 1fr; padding-top: 78px; padding-bottom: 84px; }
  .section-intro h2, .section-heading h2, .security h2, .final-cta h2 { font-size: 34px; }
  .product-stage { margin-top: 6px; padding: 8px; }
  .stage-topline { padding: 0 2px 8px; }
  .stage-note { right: -8px; bottom: 17px; width: 78%; padding: 11px 12px; font-size: 10px; }
  .delivery { padding: 78px 0 84px; }
  .delivery .section-heading { display: block; }
  .delivery-steps { grid-template-columns: 1fr; gap: 0; margin-top: 42px; }
  .delivery-steps li, .delivery-steps li + li, .delivery-steps li:nth-child(3), .delivery-steps li:nth-child(4) { min-height: 132px; margin-top: 0; padding: 20px 0 20px 60px; border-left: 1px solid rgba(189,236,228,.2); }
  .delivery-steps li:first-child { border-left: 1px solid rgba(189,236,228,.2); }
  .step-index { position: absolute; top: 20px; left: -17px; }
  .delivery-steps h3 { margin: 0 0 8px; }
  .security { gap: 43px; padding-top: 82px; padding-bottom: 82px; }
  .security-map { min-height: 326px; }
  .map-node { width: 125px; min-height: 97px; padding: 14px; }
  .map-node strong { font-size: 14px; }
  .map-core { top: 35px; left: 20px; }
  .map-market { top: 114px; left: calc(50% - 62px); }
  .map-client { right: 18px; bottom: 49px; }
  .line-one { top: 115px; left: 140px; width: 115px; }
  .line-two { top: 213px; left: 52%; width: 103px; }
  .final-cta { padding: 68px 0; }
  .cta-inner { display: block; min-height: 0; }
  .final-cta h2 { margin-bottom: 30px; }
  .button-light { width: 100%; }
  .site-footer { align-items: flex-start; flex-wrap: wrap; gap: 19px; padding: 30px 0; }
  .site-footer p { order: 3; width: 100%; margin: 0; }
  .site-footer > a:last-child { margin-left: auto; }
}