:root {
    color-scheme: dark;
    --ink: #eef3e9;
    --muted: #b0bfb4;
    --paper: #0c1713;
    --panel: #17271f;
    --green: #153e35;
    --accent: #b5cd87;
    --line: #304238;
    --radius: 5px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Segoe UI", Arial, sans-serif; font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button { font: inherit; }
img { display: block; max-width: 100%; }
.arrow-icon { display: inline-block; width: 1em; height: 1em; flex-shrink: 0; vertical-align: -.125em; }
.footer-grid nav .arrow-icon { margin-left: 4px; }
figure, h1, h2, h3, p { margin: 0; }
a, button, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #46849c; outline-offset: 5px; }
[hidden] { display: none !important; }
.container { width: min(1440px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 10; padding: 12px 18px; background: var(--panel); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 5; background: #0c1713f5; border-bottom: 1px solid var(--line); }
.header-inner { min-height: 94px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; gap: 10px; align-items: center; text-decoration: none; font-size: 29px; font-weight: 750; letter-spacing: -1.4px; line-height: 1; }
.brand-symbol { width: 39px; height: 42px; }
.brand-accent { color: var(--accent); font-weight: 450; }
.brand small { display: block; margin-top: 6px; font-size: 12px; font-weight: 500; letter-spacing: 2.7px; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav > a:not(.button) { font-size: 14px; text-decoration: none; font-weight: 550; }
.main-nav > a:not(.button):hover { color: var(--accent); }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 34px; padding: 16px 25px; border: 1px solid var(--accent); border-radius: var(--radius); background: var(--accent); color: #14241b; font-size: 14px; font-weight: 600; line-height: 1.4; text-decoration: none; transition: background .2s, transform .2s; }
.button span { font-size: 21px; font-weight: 400; }
.button:hover { background: #ccdfa9; transform: translateY(-2px); }
.button-small { padding: 11px 19px; gap: 20px; font-size: 14px; }
.text-link { display: inline-flex; align-items: center; gap: 20px; font-size: 14px; font-weight: 650; text-decoration-thickness: 1px; text-underline-offset: 6px; }
.text-link span { font-size: 20px; transition: transform .2s; }
.text-link:hover span { transform: translate(2px, -2px); }
.hero { position: relative; isolation: isolate; overflow: hidden; padding-top: 170px; background: var(--paper); }
.hero-background { position: absolute; inset: 0; z-index: -2; }
.hero-background img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, #08140f80, #08140fd9 35%, #08140fd9 65%, #08140f80), linear-gradient(0deg, #0c1713 0%, transparent 60%); }
.hero-grid { position: relative; padding-bottom: 140px; }
.hero-copy { max-width: 820px; margin-inline: auto; text-align: center; }
.hero-copy > .eyebrow { justify-content: center; }
.hero-copy h1 { font-size: clamp(42px, 4.8vw, 70px); text-wrap: balance; margin-inline: auto; }
.eyebrow { display: flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 650; letter-spacing: 1.8px; text-transform: uppercase; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero-subtitle { max-width: 480px; margin-inline: auto; font-size: 14px; line-height: 1.6; color: var(--muted); margin-top: 24px; }
h1 { font-size: clamp(40px, 4.15vw, 62px); line-height: 1.08; letter-spacing: -2.8px; font-weight: 550; margin-top: 15px; }
h1 em { font-family: Georgia, serif; font-weight: 400; color: var(--accent); }
.hero-description { margin-top: 25px; margin-inline: auto; max-width: 560px; font-size: 14px; line-height: 1.85; color: var(--muted); }
.hero-actions { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 28px; margin-top: 30px; }
.hero-note { display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 38px; font-size: 12px; color: var(--muted); }
.hero-note svg { width: 20px; height: 20px; flex-shrink: 0; }
.hero-bottom { margin-top: 42px; padding-block: 22px; display: flex; justify-content: space-between; align-items: center; gap: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.hero-bottom > span { font-size: 11px; letter-spacing: 1.5px; font-weight: 650; }
.hero-bottom p span { margin-inline: 15px; color: #9da993; }
.hero-bottom a { text-decoration: none; }
.hero-bottom a span { margin-left: 14px; }
.section { padding-block: 100px; }
.data-section, .about-section, .science-section, .initiative-section {
    position: relative;
    isolation: isolate;
    background-image: radial-gradient(ellipse at 12% 15%, #b5cd8720, transparent 65%), radial-gradient(ellipse at 90% 85%, #46849c24, transparent 60%);
}
.data-section::before, .about-section::before, .science-section::before, .initiative-section::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: url("../imgs/contours.svg") center / cover no-repeat;
    opacity: .09;
    mask-image: linear-gradient(90deg, #000, #0005 50%, #000);
}
h2 { margin-top: 19px; font-size: clamp(32px, 3.1vw, 44px); font-weight: 500; line-height: 1.15; letter-spacing: -1.7px; }
.section-heading { display: grid; grid-template-columns: 1.1fr 1fr; align-items: end; gap: 80px; margin-bottom: 38px; }
.section-heading > p, .section-heading > div > p:not(.eyebrow) { max-width: 440px; color: var(--muted); font-size: 14px; line-height: 1.85; }
.data-section { background-color: #111f19; }
.data-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 22px; }
.data-card { grid-column: span 2; min-width: 0; display: flex; flex-direction: column; text-decoration: none; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel); transition: transform .2s, box-shadow .2s; }
.data-card:hover { transform: translateY(-4px); box-shadow: 0 12px 25px #0003; }
.card-land, .card-satellite { grid-column: span 3; }
.card-art { position: relative; aspect-ratio: 3 / 2; overflow: hidden; background: #000; }
.card-art > img { display: block; width: 100%; height: 100%; object-fit: contain; }
.schematic-art { background: radial-gradient(ellipse at 70% 25%, #304238, #0c1713 80%); }
.schematic-art > svg { display: block; width: 100%; height: 100%; }
.relief-art { color: #d5b477; }
.biodiversity-art { color: #79c65b; }
.territory-art { color: #e1c66f; }
.registry-art { color: #e4c169; }
.art-label { position: absolute; bottom: 10px; left: 14px; padding: 3px 7px; color: #fff; background: #193d34de; font-size: 11px; letter-spacing: .3px; }
.card-content { padding: 24px; flex-grow: 1; display: flex; flex-direction: column; }
.card-kicker { font-size: 11px; letter-spacing: 1.4px; color: var(--accent); font-weight: 650; }
.card-content h3 { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-top: 8px; font-size: 18px; font-weight: 550; line-height: 1.35; letter-spacing: -.4px; }
.card-content h3 span { font-size: 21px; font-weight: 400; }
.card-content > p:not(.card-kicker) { color: var(--muted); font-size: 14px; line-height: 1.8; margin-top: 10px; margin-bottom: 22px; max-width: 410px; }
.card-link { margin-top: auto; padding-top: 13px; border-top: 1px solid var(--line); font-size: 12px; font-weight: 600; }
.data-note { margin-top: 23px; max-width: 850px; font-size: 12px; color: var(--muted); line-height: 1.8; }
.data-note span { margin-right: 5px; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 95px; align-items: center; }
.territory-image { position: relative; height: 520px; overflow: hidden; border-radius: var(--radius); }
.territory-image img { width: 100%; height: 100%; object-fit: cover; }
.territory-image::after { content: ""; position: absolute; inset: 40% 0 0; background: linear-gradient(transparent, #10291edb); }
.territory-image figcaption { position: absolute; z-index: 1; bottom: 30px; left: 30px; right: 30px; color: white; }
.territory-image figcaption span { display: block; font-size: 12px; letter-spacing: 2px; }
.territory-image figcaption strong { display: block; margin-top: 9px; font-weight: 400; font-size: 26px; letter-spacing: -.7px; }
.about-copy > p:not(.eyebrow), .initiative-grid > div > p:not(.eyebrow) { margin-top: 22px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.about-callout { display: flex; gap: 18px; margin-block: 26px; padding: 21px 0 21px 21px; border-left: 2px solid #9ab27b; }
.about-callout > span { color: var(--accent); font-size: 23px; line-height: 1; }
.about-callout p { font-size: 14px; line-height: 1.8; }
.science-section { background-color: #132b22; color: #f5f7ee; }
.science-section .eyebrow { color: #bdce9f; }
.science-section .section-heading > div > p:not(.eyebrow) { color: #c6d4ca; }
.science-section .text-link { margin-top: 22px; color: #d9e4c0; }
.science-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; list-style: none; padding: 0; margin: 55px 0 0; }
.science-steps li { display: flex; flex-direction: column; border-top: 1px solid #658477; padding-top: 19px; }
.step-number { font-family: monospace; font-size: 14px; color: #b5cd87; }
.science-steps h3 { font-size: 23px; font-weight: 450; margin-top: 25px; }
.science-steps p { margin-top: 12px; margin-bottom: 26px; color: #c6d4ca; font-size: 14px; line-height: 1.85; }
.step-tag { align-self: start; margin-top: auto; border: 1px solid #527064; padding: 4px 8px; font-size: 11px; letter-spacing: .4px; color: #d3dfc4; }
.technical-details { margin-top: 50px; border-top: 1px solid #527064; border-bottom: 1px solid #527064; }
.technical-details summary { cursor: pointer; font-size: 14px; padding: 21px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.technical-details summary::-webkit-details-marker { display: none; }
.technical-details summary span { font-size: 22px; font-weight: 300; }
.technical-details[open] summary span { transform: rotate(45deg); }
.technical-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 35px; padding: 10px 0 30px; }
.technical-grid h3 { font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.technical-grid p { color: #c6d4ca; font-size: 14px; }
.initiative-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 100px; align-items: center; }
.initiative-grid .text-link { margin-top: 27px; }
.institutions { padding: 35px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.institution { display: flex; align-items: center; gap: 25px; padding-block: 22px; }
.institution + .institution { border-top: 1px solid var(--line); }
.institution-seal { flex: 0 0 84px; width: 84px; height: 84px; display: grid; place-items: center; padding: 9px; border-radius: 50%; background: white; overflow: hidden; }
.institution-seal img { width: 100%; height: 100%; object-fit: contain; }
.institution h3 { font-size: 17px; font-weight: 600; }
.institution p { font-size: 13px; line-height: 1.8; color: var(--muted); margin-top: 3px; }
.institution-note { padding-top: 22px; margin-top: 10px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.team-section { background: #111f19; border-top: 1px solid var(--line); }
.team-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.team-card { padding: 30px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.team-card h2 { margin-top: 20px; font-size: 22px; font-weight: 550; letter-spacing: -.5px; line-height: 1.35; }
.team-back { margin-bottom: 45px; }
.team-preview { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; padding-block: 28px 55px; border-top: 1px solid var(--line); }
.team-preview p { max-width: 570px; color: var(--muted); font-size: 14px; }
.team-role { display: block; margin-top: 12px; color: var(--accent); font-size: 13px; }
.team-card > p:last-child { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; line-height: 1.85; }
.map-invitation { padding-block: 45px; background: #20372a; border-block: 1px solid var(--line); }
.invitation-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.invitation-inner h2 { font-size: 33px; margin-top: 10px; }
.site-footer { background: #08110e; padding-top: 62px; color: #d7e1d7; }
.site-footer .brand { color: white; }
.site-footer .brand-accent { color: #b5cd87; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 90px; padding-bottom: 50px; }
.footer-grid > div > p { color: #afc0b7; font-size: 14px; line-height: 1.85; max-width: 315px; margin-top: 22px; }
.footer-grid nav { display: flex; flex-direction: column; align-items: start; gap: 10px; }
.footer-grid h2 { font-size: 13px; font-weight: 600; letter-spacing: 1px; margin: 0 0 9px; }
.footer-grid nav a { color: #afc0b7; font-size: 13px; text-decoration: none; }
.footer-grid nav a:hover { color: white; text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 22px; border-top: 1px solid #355047; font-size: 12px; color: #afc0b7; }
.footer-bottom a { text-decoration: none; }
.footer-bottom a span { margin-left: 15px; }
.menu-toggle { background: transparent; border: 1px solid var(--line); padding: 9px 12px; border-radius: 3px; color: var(--ink); cursor: pointer; align-items: center; gap: 9px; font-size: 14px; }
.menu-lines { width: 16px; height: 10px; border-block: 1px solid currentColor; }
@media (min-width: 761px) { .menu-toggle { display: none; } }
@media (max-width: 1100px) {
    .container { width: calc(100% - 64px); }
    h1 { font-size: 46px; }
    .hero-actions { gap: 19px; }
    .hero-actions .button { padding-inline: 19px; gap: 20px; }
    .hero-actions .text-link { font-size: 13px; gap: 10px; }
    .about-grid, .initiative-grid { gap: 50px; }
    .main-nav { gap: 22px; }
    .section-heading { gap: 50px; }
    .card-content { padding: 20px; }
    .card-content h3 { font-size: 16px; }
    .institutions { padding: 24px; }
    .footer-grid { gap: 45px; }
}
@media (max-width: 760px) {
    html { scroll-padding-top: 95px; }
    .container { width: calc(100% - 40px); }
    .header-inner { min-height: 78px; flex-wrap: wrap; gap: 0; }
    .brand { font-size: 25px; }
    .brand-symbol { width: 32px; height: 36px; }
    .brand small { font-size: 11px; }
    .menu-toggle:not([hidden]) { display: inline-flex; }
    .main-nav { width: 100%; flex-wrap: wrap; padding-block: 15px 22px; gap: 17px 25px; }
    .site-header[data-menu-ready] .main-nav { flex-direction: column; align-items: stretch; gap: 0; }
    .site-header[data-menu-ready] .main-nav > a:not(.button) { padding: 12px 0; border-bottom: 1px solid var(--line); }
    .site-header[data-menu-ready] .main-nav .button { margin-top: 16px; }
    .hero { padding-top: 100px; }
    .hero::before { background: linear-gradient(#08140fc9, #08140fc9), linear-gradient(0deg, #0c1713, transparent 65%); }
    .hero-background img { object-position: 62% center; }
    .hero-grid { padding-bottom: 70px; }
    .hero-copy { max-width: 580px; }
    .eyebrow { font-size: 12px; letter-spacing: 1.3px; }
    .hero-subtitle { margin-top: 22px; }
    h1 { font-size: clamp(40px, 7.7vw, 56px); letter-spacing: -2px; max-width: 580px; }
    .hero-copy h1 { font-size: clamp(40px, 7.7vw, 56px); }
    .hero-description { font-size: 14px; }
    .hero-actions { gap: 25px; }
    .hero-actions .text-link { font-size: 14px; }
    .hero-note { margin-top: 25px; font-size: 12px; }
    .hero-bottom { margin-top: 28px; flex-wrap: wrap; row-gap: 10px; }
    .hero-bottom > span { width: 100%; }
    .hero-bottom p span { margin-inline: 7px; }
    .section { padding-block: 65px; }
    h2 { font-size: 35px; letter-spacing: -1.5px; }
    .section-heading { grid-template-columns: 1fr; gap: 23px; margin-bottom: 30px; }
    .data-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px; }
    .data-card, .card-land, .card-satellite { grid-column: auto; }
    .data-card:last-child { grid-column: 1 / -1; }
    .about-grid, .initiative-grid { grid-template-columns: 1fr; gap: 35px; }
    .team-grid { grid-template-columns: 1fr; gap: 17px; }
    .territory-image { height: 400px; }
    .about-copy { max-width: 580px; }
    .science-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 25px; margin-top: 35px; }
    .science-steps h3 { margin-top: 17px; }
    .technical-grid { grid-template-columns: 1fr; gap: 23px; }
    .institutions { padding: 20px 28px; }
    .invitation-inner { align-items: start; flex-direction: column; gap: 24px; }
    .invitation-inner h2 { font-size: 30px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 35px 25px; }
    .footer-grid > div { grid-column: 1 / -1; }
    .footer-grid > div > p { max-width: 440px; }
}
@media (max-width: 430px) {
    .container { width: calc(100% - 36px); }
    h1 { font-size: 42px; }
    .hero-actions { gap: 20px; }
    .hero-actions .button { font-size: 14px; }
    .hero-actions .text-link { font-size: 13px; gap: 8px; }
    .hero-bottom { font-size: 12px; }
    .data-grid { grid-template-columns: 1fr; }
    .card-content h3 { font-size: 19px; }
    .territory-image { height: 360px; }
    .science-steps { gap: 30px 20px; }
    .science-steps h3 { font-size: 21px; }
    .step-tag { font-size: 10px; padding-inline: 5px; }
    .institution { gap: 16px; }
    .institutions { padding-inline: 20px; }
    .institution-seal { flex-basis: 76px; width: 76px; height: 76px; padding: 8px; }
    .footer-bottom { flex-direction: column; gap: 10px; }
}
@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        transition: opacity 600ms ease var(--reveal-delay, 0ms),
            translate 600ms cubic-bezier(.2, .65, .3, 1) var(--reveal-delay, 0ms),
            transform .2s, box-shadow .2s;
    }
    .reveal-pending { opacity: 0; translate: 0 20px; }
    .scroll-reveal:focus-within { opacity: 1; translate: none; transition-delay: 0ms; }
}
@media print {
    .scroll-reveal { opacity: 1 !important; translate: none !important; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; }
}
