:root {
  --navy: #0b2230;
  --forest: #092b25;
  --green: #176945;
  --lime: #a7ce62;
  --mist: #e9f0ea;
  --sand: #f4f2eb;
  --white: #fff;
  --ink: #152228;
  --muted: #647178;
  --line: #d8ded9;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--sand); color: var(--ink); font-family: Inter, Avenir, "Helvetica Neue", Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.skip-link { background: white; left: 12px; padding: 10px 14px; position: fixed; top: -80px; z-index: 100; }
.skip-link:focus { top: 12px; }

.site-header { align-items: center; backdrop-filter: blur(16px); background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(11,34,48,.1); display: grid; gap: 36px; grid-template-columns: minmax(210px,1fr) auto minmax(210px,1fr); min-height: 82px; padding: 10px clamp(24px,5vw,76px); position: sticky; top: 0; z-index: 30; }
.brand { width: 205px; }
.brand img { height: 58px; object-fit: contain; object-position: left center; }
.site-header nav { display: flex; gap: 28px; }
.site-header nav a { color: #40525a; font-size: 13px; font-weight: 700; }
.site-header nav a:hover { color: var(--green); }
.header-cta { border: 1px solid var(--green); color: var(--green); font-size: 12px; font-weight: 800; justify-self: end; padding: 13px 18px; }
.menu-button { display: none; }

.hero { background: var(--navy); color: white; min-height: min(790px,calc(100vh - 82px)); overflow: hidden; position: relative; }
.hero-media, .hero-overlay { inset: 0; position: absolute; }
.hero-media img { height: 100%; object-fit: cover; object-position: center center; width: 100%; }
.hero-overlay { background: linear-gradient(90deg,rgba(7,27,35,.98) 0%,rgba(7,27,35,.92) 27%,rgba(7,27,35,.38) 57%,rgba(7,27,35,.04) 77%); }
.hero-content { align-items: flex-start; display: flex; flex-direction: column; justify-content: center; min-height: min(790px,calc(100vh - 82px)); padding: 78px clamp(28px,7.4vw,116px) 116px; position: relative; width: min(760px,58vw); z-index: 2; }
.eyebrow, .kicker { color: var(--green); font-size: 11px; font-weight: 850; letter-spacing: .17em; margin: 0; text-transform: uppercase; }
.hero .eyebrow { color: #c6e88a; }
.hero h1 { font-size: clamp(54px,6vw,92px); letter-spacing: -.065em; line-height: .93; margin: 26px 0 28px; }
.hero h1 span { color: var(--lime); display: block; }
.hero-lead { color: #d2dee1; font-size: 18px; line-height: 1.65; margin: 0; max-width: 610px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 36px; }
.button { align-items: center; display: inline-flex; font-size: 13px; font-weight: 850; justify-content: center; min-height: 52px; padding: 0 23px; transition: transform .2s ease,background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--lime); color: var(--forest); }
.button-primary:hover { background: #b9dc76; }
.button-secondary { border: 1px solid rgba(255,255,255,.45); color: white; }
.hero-index { bottom: 0; display: flex; gap: 1px; left: 0; position: absolute; z-index: 3; }
.hero-index span { background: rgba(7,27,35,.86); color: #c5d2d5; font-size: 10px; letter-spacing: .09em; min-width: 160px; padding: 18px 24px; text-transform: uppercase; }
.hero-index b { color: var(--lime); margin-right: 10px; }

.authority { align-items: center; background: white; display: flex; justify-content: space-between; padding: 25px clamp(28px,7.4vw,116px); }
.authority p { color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .14em; margin: 0; text-transform: uppercase; }
.authority div { display: flex; gap: clamp(20px,3vw,46px); }
.authority span { color: var(--navy); font-size: 12px; font-weight: 850; letter-spacing: .05em; }

.section { padding: 116px clamp(28px,7.4vw,116px); }
.section-intro { align-items: end; display: grid; gap: 70px; grid-template-columns: 1.35fr .65fr; margin-bottom: 56px; }
h2 { color: var(--navy); font-size: clamp(40px,4.5vw,66px); letter-spacing: -.055em; line-height: 1.02; margin: 17px 0 0; }
.section-intro > p { color: var(--muted); font-size: 16px; line-height: 1.75; margin: 0; }
.service-grid { border-left: 1px solid var(--line); border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(4,1fr); }
.service-grid article { background: rgba(255,255,255,.46); border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); min-height: 440px; padding: 34px 30px; }
.service-number { color: var(--green); font-family: ui-monospace,SFMono-Regular,Menlo,monospace; font-size: 11px; }
.service-grid h3 { color: var(--navy); font-size: 25px; letter-spacing: -.035em; margin: 74px 0 16px; }
.service-grid p { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 0; }
.service-grid ul { border-top: 1px solid var(--line); list-style: none; margin: 26px 0 0; padding: 18px 0 0; }
.service-grid li { color: #41535a; font-size: 12px; margin: 9px 0; padding-left: 16px; position: relative; }
.service-grid li::before { color: var(--lime); content: "●"; font-size: 7px; left: 0; position: absolute; top: 4px; }

.feature { background: white; display: grid; grid-template-columns: 1fr 1fr; min-height: 680px; }
.feature-image { background: #dfe7e0; overflow: hidden; }
.feature-image img { height: 100%; object-fit: cover; width: 100%; }
.feature-safety .feature-image img { object-position: center center; }
.feature-environment .feature-image img { object-position: center center; }
.feature-copy { align-self: center; padding: 78px clamp(40px,6vw,96px); }
.feature-copy h2 { font-size: clamp(40px,4vw,60px); }
.feature-copy > p:not(.kicker) { color: var(--muted); font-size: 16px; line-height: 1.75; max-width: 620px; }
.feature-list { border-top: 1px solid var(--line); margin: 32px 0 28px; }
.feature-list div { border-bottom: 1px solid var(--line); display: grid; gap: 20px; grid-template-columns: 140px 1fr; padding: 17px 0; }
.feature-list b { color: var(--navy); font-size: 13px; }
.feature-list span { color: var(--muted); font-size: 12px; }
.text-link { align-items: center; color: var(--green); display: flex; font-size: 12px; font-weight: 850; justify-content: space-between; margin-top: 30px; max-width: 310px; }
.standards { border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3,1fr); margin: 34px 0; padding: 25px 0; }
.standards span { color: var(--muted); font-size: 10px; line-height: 1.4; padding-right: 15px; }
.standards b { color: var(--navy); display: block; font-size: 12px; margin-bottom: 6px; }

.annual { background: var(--forest); color: white; display: grid; gap: 78px; grid-template-columns: .72fr 1.28fr; padding: 116px clamp(28px,7.4vw,116px); }
.kicker-light { color: var(--lime); }
.annual h2, .contact h2 { color: white; }
.annual-heading > p:not(.kicker) { color: #b8cdc6; font-size: 15px; line-height: 1.75; margin: 25px 0 30px; max-width: 520px; }
.button-light { background: white; color: var(--forest); }
.annual-steps { border-left: 1px solid rgba(255,255,255,.16); border-top: 1px solid rgba(255,255,255,.16); display: grid; grid-template-columns: repeat(2,1fr); list-style: none; margin: 0; padding: 0; }
.annual-steps li { border-bottom: 1px solid rgba(255,255,255,.16); border-right: 1px solid rgba(255,255,255,.16); display: flex; gap: 20px; min-height: 160px; padding: 27px; }
.annual-steps li > span { color: var(--lime); font-family: ui-monospace,SFMono-Regular,Menlo,monospace; font-size: 11px; }
.annual-steps h3 { font-size: 15px; margin: 0 0 9px; }
.annual-steps p { color: #a8c1b9; font-size: 12px; line-height: 1.55; margin: 0; }

.about { display: grid; gap: 86px; grid-template-columns: .78fr 1.22fr; padding: 116px clamp(28px,7.4vw,116px); }
.about-lead { color: #44555c; font-size: clamp(20px,2vw,28px); letter-spacing: -.025em; line-height: 1.5; margin: 4px 0 48px; }
.values { border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3,1fr); }
.values article { border-right: 1px solid var(--line); padding: 25px 26px 0 0; }
.values article + article { padding-left: 26px; }
.values article:last-child { border-right: 0; }
.values span { color: var(--green); font-family: ui-monospace,SFMono-Regular,Menlo,monospace; font-size: 10px; }
.values h3 { color: var(--navy); font-size: 17px; margin: 15px 0 10px; }
.values p { color: var(--muted); font-size: 12px; line-height: 1.6; margin: 0; }

.contact { align-items: end; background: var(--navy); color: white; display: grid; gap: 70px; grid-template-columns: 1.25fr .75fr; margin: 0 clamp(18px,3.7vw,58px); padding: 82px clamp(28px,5vw,76px); }
.contact > div > p:not(.kicker) { color: #b7cbd2; font-size: 15px; line-height: 1.7; margin: 22px 0 0; }
.contact-actions { align-items: flex-start; display: flex; flex-direction: column; gap: 17px; justify-self: end; min-width: 260px; }
.contact-actions > a:not(.button) { border-bottom: 1px solid rgba(255,255,255,.25); font-size: 13px; font-weight: 700; padding-bottom: 8px; width: 100%; }

footer { align-items: start; background: white; display: grid; gap: 30px; grid-template-columns: 1fr auto auto; margin-top: 32px; padding: 44px clamp(28px,7.4vw,116px) 30px; }
.footer-brand img { height: 60px; object-fit: contain; object-position: left; width: 210px; }
.footer-brand p { color: var(--muted); font-size: 11px; max-width: 360px; }
.footer-nav { display: grid; gap: 11px; }
.footer-nav a, .system-link { color: var(--navy); font-size: 11px; font-weight: 750; }
.system-link { border-bottom: 1px solid var(--lime); padding-bottom: 6px; }
footer small { border-top: 1px solid var(--line); color: #879398; font-size: 9px; grid-column: 1/-1; padding-top: 18px; }

@media (max-width: 1080px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .site-header nav.is-open { background: white; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 0; left: 0; padding: 12px 24px 22px; position: absolute; right: 0; top: 100%; }
  .site-header nav.is-open a { padding: 12px 0; }
  .header-cta { display: none; }
  .menu-button { background: none; border: 1px solid var(--line); color: var(--navy); display: block; font-size: 11px; font-weight: 800; padding: 11px 14px; }
  .hero-content { width: min(740px,72vw); }
  .service-grid { grid-template-columns: repeat(2,1fr); }
  .annual { grid-template-columns: 1fr; }
  .annual-heading { max-width: 760px; }
  .about { gap: 50px; grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .site-header { min-height: 70px; padding: 8px 20px; }
  .brand { width: 160px; }
  .brand img { height: 50px; }
  .hero { min-height: 710px; }
  .hero-media img { object-position: 65% center; }
  .hero-overlay { background: linear-gradient(180deg,rgba(7,27,35,.34),rgba(7,27,35,.96) 55%,rgba(7,27,35,1)); }
  .hero-content { justify-content: flex-end; min-height: 710px; padding: 80px 23px 116px; width: 100%; }
  .hero h1 { font-size: clamp(48px,14.2vw,68px); }
  .hero-lead { font-size: 15px; }
  .hero-actions { align-items: stretch; flex-direction: column; width: 100%; }
  .hero-index { right: 0; }
  .hero-index span { min-width: 0; padding: 16px 10px; text-align: center; width: 33.333%; }
  .hero-index b { display: block; margin: 0 0 5px; }
  .authority { align-items: flex-start; flex-direction: column; gap: 18px; padding: 22px 23px; }
  .authority div { flex-wrap: wrap; gap: 14px 22px; }
  .section { padding: 78px 23px; }
  .section-intro, .feature, .annual-steps, .values, .contact, footer { grid-template-columns: 1fr; }
  .section-intro { gap: 23px; }
  h2 { font-size: clamp(39px,11vw,54px); }
  .service-grid { grid-template-columns: 1fr; }
  .service-grid article { min-height: auto; }
  .service-grid h3 { margin-top: 44px; }
  .feature { min-height: auto; }
  .feature-image { aspect-ratio: 3/2; }
  .feature-image img { object-position: center center; }
  .feature-environment .feature-copy { order: 2; }
  .feature-environment .feature-image { order: 1; }
  .feature-copy { padding: 64px 23px 72px; }
  .feature-list div { grid-template-columns: 1fr; gap: 6px; }
  .standards { gap: 18px; grid-template-columns: 1fr; }
  .annual { gap: 48px; padding: 78px 23px; }
  .annual-steps li { min-height: 140px; }
  .about { padding: 78px 23px; }
  .values { border-top: 0; }
  .values article, .values article + article { border-right: 0; border-top: 1px solid var(--line); padding: 24px 0; }
  .contact { align-items: start; margin: 0 12px; padding: 62px 24px; }
  .contact-actions { justify-self: start; min-width: 0; width: 100%; }
  footer { margin-top: 18px; padding: 36px 23px 28px; }
  footer small { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}