:root{--reem-graphite: #111827;--reem-graphite-soft: #1F2937;--reem-green: #1F7A5A;--reem-green-dark: #145C43;--reem-green-light: #DDF3EA;--reem-blue: #1E5B9A;--reem-blue-dark: #123E6B;--reem-blue-light: #DCEBFA;--reem-sand: #d7e8c7;--reem-sand-light: #e5ede5;--reem-bg: #FAFAF7;--reem-bg-alt: #F3F5F2;--reem-border: #D9DED8;--reem-muted: #6B7280;--surface-card: white;--surface-input: var(--reem-bg);--surface-input-focus: white;--header-bg: rgba(250, 250, 247, 0.85);--shadow-card: 0 8px 24px rgba(17, 24, 39, 0.04);--shadow-hero: 0 12px 40px rgba(17, 24, 39, 0.06);--color-link: var(--reem-blue);--color-link-hover: var(--reem-blue-dark);--color-eyebrow: var(--reem-green-dark);--always-dark-bg: #111827;--always-dark-panel: #1B2331;--always-dark-text: #C8CDD5;--always-dark-text-strong: #FFFFFF;--always-dark-text-soft: #9AA1AB;--always-dark-border: #243042;--always-dark-muted: #6B7280;--radius-card: 10px;--radius-pill: 5px;--text-3xs: 0.5rem;--text-2xs: 0.6rem;--text-xs: 0.75rem;--text-sm: 0.875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 2rem;--text-4xl: 2.75rem;--text-5xl: 3.5rem;--font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-display: "IBM Plex Sans", "Inter", system-ui, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace}@media (prefers-color-scheme: dark){:root{--reem-graphite: #E5E7EB;--reem-graphite-soft: #C7CDD6;--reem-green-light: #143527;--reem-blue-light: #122A44;--reem-sand: #34291E;--reem-sand-light: #1B1813;--reem-bg: #0E141C;--reem-bg-alt: #161E2A;--reem-border: #2A3441;--reem-muted: #8A93A1;--surface-card: #161E2A;--surface-input: #0E141C;--surface-input-focus: #1F2937;--header-bg: rgba(14, 20, 28, 0.85);--shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);--shadow-hero: 0 12px 40px rgba(0, 0, 0, 0.45);--color-link: #7FB4E3;--color-link-hover: #A8CDF0;--color-eyebrow: #5DD3B3}}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;font-family:var(--font-sans),sans-serif;font-size:var(--text-base);line-height:1.6;color:var(--reem-graphite);background:var(--reem-bg);font-feature-settings:"ss01", "cv11"}.container{max-width:1180px;margin:0 auto;padding:0 24px}.content-narrow{max-width:820px;margin:0 auto}section{padding:96px 0}@media (max-width: 768px){section{padding:64px 0}}section+section{border-top:1px solid var(--reem-border)}.section-alt{background:var(--reem-bg-alt)}.section-sand{background:var(--reem-sand-light)}.section-graphite{background:var(--always-dark-bg);color:var(--always-dark-text)}.section-graphite h1,.section-graphite h2,.section-graphite h3{color:var(--always-dark-text-strong)}.section-graphite a{color:#BFD7F1}.grid-12{display:grid;grid-template-columns:repeat(12, 1fr);gap:32px}@media (max-width: 900px){.grid-12{grid-template-columns:1fr;gap:24px}}.grid-cards{display:grid;grid-template-columns:repeat(3, 1fr);gap:24px}.grid-cards.cols-2{grid-template-columns:repeat(2, 1fr)}.grid-cards.cols-4{grid-template-columns:repeat(4, 1fr)}@media (max-width: 960px){.grid-cards,.grid-cards.cols-2,.grid-cards.cols-4{grid-template-columns:repeat(2, 1fr)}}@media (max-width: 600px){.grid-cards,.grid-cards.cols-2,.grid-cards.cols-4{grid-template-columns:1fr}}h1,h2,h3,h4,h5{font-family:var(--font-display),sans-serif;color:var(--reem-graphite);margin:0 0 0.6em}h1{font-size:clamp(2.5rem, 5vw, 4.5rem);line-height:1.05;letter-spacing:-0.04em;font-weight:650}h2{font-size:clamp(2rem, 4vw, 3rem);line-height:1.1;letter-spacing:-0.03em;font-weight:620}h3{font-size:var(--text-2xl);line-height:1.2;letter-spacing:-0.015em;font-weight:600}h4{font-size:var(--text-lg);font-weight:600;letter-spacing:-0.01em}p{margin:0 0 1em;color:var(--reem-graphite-soft);max-width:70ch}.lead{font-size:var(--text-lg);color:var(--reem-graphite-soft);max-width:64ch}a{color:var(--color-link);text-decoration:none;transition:color 120ms ease}a:hover{color:var(--color-link-hover);text-decoration:underline;text-underline-offset:3px}ul,ol{padding-left:1.2em;color:var(--reem-graphite-soft)}li+li{margin-top:0.35em}hr{border:0;border-top:1px solid var(--reem-border);margin:48px 0}.eyebrow{font-family:var(--font-mono),monospace;font-size:var(--text-xs);text-transform:uppercase;letter-spacing:0.14em;color:var(--color-eyebrow);margin-bottom:12px;display:inline-block}.muted{color:var(--reem-muted)}.site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--reem-border)}.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:72px}.brand{display:inline-flex;align-items:center;color:var(--reem-graphite);text-decoration:none}.brand:hover{text-decoration:none}.brand__svg{height:28px;width:auto;display:block}.brand--footer .brand__svg{height:32px}.nav-main{display:flex;align-items:center;gap:28px}.nav-main a{color:var(--reem-graphite-soft);font-size:var(--text-sm);font-weight:500}.nav-main a:hover{color:var(--reem-graphite);text-decoration:none}.nav-main a.active{color:var(--color-eyebrow)}.nav-toggle{display:none;background:none;border:1px solid var(--reem-border);border-radius:8px;padding:8px 10px;cursor:pointer;font-family:var(--font-mono),monospace;font-size:var(--text-xs);color:var(--reem-graphite)}@media (max-width: 1080px){.nav-main{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;padding:16px 24px 24px;background:var(--reem-bg);border-bottom:1px solid var(--reem-border);display:none}.nav-main.open{display:flex}.nav-main a{padding:12px 0;width:100%;border-bottom:1px solid var(--reem-border)}.nav-toggle{display:inline-flex;align-items:center}}.site-footer{background:var(--always-dark-bg);color:var(--always-dark-text);padding:72px 0 32px}.site-footer a{color:var(--always-dark-text)}.site-footer a:hover{color:var(--always-dark-text-strong);text-decoration:none}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4, 1fr);gap:40px;margin-bottom:48px}@media (max-width: 960px){.footer-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width: 600px){.footer-grid{grid-template-columns:1fr}}.footer-col h4{font-family:var(--font-mono);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:0.14em;color:var(--always-dark-text-strong);margin-bottom:18px}.footer-col ul{list-style:none;padding:0;margin:0}.footer-col li{padding:5px 0;font-size:var(--text-sm)}.footer-brand 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ease;border:1px solid transparent;line-height:1;text-decoration:none}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn:focus-visible{outline:2px solid var(--color-link);outline-offset:2px}.btn-primary{background:var(--reem-green);color:white}.btn-primary:hover{background:var(--reem-green-dark);color:white}.btn-secondary{border:1px solid var(--reem-border);color:var(--reem-graphite);background:transparent}.btn-secondary:hover{background:var(--surface-card);border-color:var(--reem-graphite-soft);color:var(--reem-graphite)}.btn-ghost{color:var(--color-link-hover);background:transparent;padding-left:0;padding-right:0}.btn-ghost:hover{color:var(--color-link);text-decoration:underline;text-underline-offset:3px}.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.card{background:var(--surface-card);border:1px solid var(--reem-border);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:10px}.card h3{margin:0;font-size:var(--text-xl)}.card p{margin:0;font-size:var(--text-base)}.card__meta{font-family:var(--font-mono),monospace;font-size:var(--text-xs);text-transform:uppercase;letter-spacing:0.12em;color:var(--reem-muted)}.card__icon{width:36px;height:36px;border-radius:10px;background:var(--reem-green-light);color:var(--reem-green-dark);display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-mono),monospace;font-size:0.9rem;font-weight:600;margin-bottom:8px}.card--blue .card__icon{background:var(--reem-blue-light);color:var(--reem-blue-dark)}.card--sand .card__icon{background:var(--reem-sand);color:var(--reem-graphite)}.badge{display:inline-flex;align-items:center;border:1px solid var(--reem-border);border-radius:var(--radius-pill);padding:6px 10px;font-size:var(--text-xs);color:var(--reem-graphite-soft);background:var(--reem-sand-light);font-family:var(--font-mono),monospace;letter-spacing:0.04em}.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.form{display:grid;grid-template-columns:1fr 1fr;gap:18px;background:var(--surface-card);padding:32px;border:1px solid var(--reem-border);border-radius:var(--radius-card)}.form .full{grid-column:1 / -1}@media (max-width: 700px){.form{grid-template-columns:1fr;padding:24px}}.form label{display:block;font-size:var(--text-sm);font-weight:500;color:var(--reem-graphite-soft);margin-bottom:6px}.form input,.form select,.form textarea{width:100%;padding:12px 14px;border:1px solid var(--reem-border);border-radius:10px;font-family:var(--font-sans);font-size:var(--text-base);color:var(--reem-graphite);background:var(--surface-input);transition:border-color 120ms ease, background 120ms ease}.form input:focus,.form select:focus,.form 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transparent}.form__status[data-state="submitting"]{background:var(--reem-blue-light);color:var(--reem-blue-dark);border-color:var(--reem-blue-light)}.form__status[data-state="success"]{background:var(--reem-green-light);color:var(--reem-green-dark);border-color:var(--reem-green-light)}.form__status[data-state="error"]{background:#FEE2E2;color:#B91C1C;border-color:#FECACA}@media (prefers-color-scheme: dark){.form input[aria-invalid="true"],.form select[aria-invalid="true"],.form textarea[aria-invalid="true"]{border-color:#F5A399;background:rgba(245,163,153,0.06)}.form__error{color:#F5A399}.form__status[data-state="submitting"]{color:#A8CDF0}.form__status[data-state="success"]{color:#7FD9BB}.form__status[data-state="error"]{background:#3B1F1B;color:#F5A399;border-color:#5A2A24}}.hero{padding:96px 0 80px;position:relative;border-bottom:1px solid var(--reem-border)}.hero::before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;z-index:-1;background:radial-gradient(ellipse at top right, rgba(30,91,154,0.08), transparent 60%),radial-gradient(ellipse at bottom left, rgba(31,122,90,0.08), transparent 60%),var(--reem-bg)}.hero::after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;z-index:-1;background-image:url("/images/hero.webp");background-size:cover;background-position:top;opacity:0.07}.hero__inner{display:grid;grid-template-columns:minmax(0, 1.1fr) minmax(0, 1fr);gap:56px;align-items:center}@media (max-width: 960px){.hero__inner{grid-template-columns:1fr;gap:40px}.hero{padding:64px 0}}.hero h1{margin:14px 0 20px}.hero .lead{font-size:clamp(1.05rem, 1.4vw, 1.2rem)}.hero__trust{margin-top:32px;font-family:var(--font-mono),monospace;font-size:var(--text-xs);text-transform:uppercase;letter-spacing:0.1em;color:var(--reem-muted)}.hero__diagram{background:var(--surface-card);border:1px solid var(--reem-border);border-radius:24px;padding:28px;box-shadow:var(--shadow-hero)}.layer{display:flex;align-items:center;gap:14px;padding:18px 18px;border-radius:14px;border:1px solid var(--reem-border);background:var(--reem-bg)}.layer+.layer{margin-top:14px}.layer__num{font-family:var(--font-mono);font-size:0.7rem;letter-spacing:0.16em;text-transform:uppercase;color:var(--reem-muted);width:30px}.layer__body strong{display:block;color:var(--reem-graphite);font-family:var(--font-display);font-weight:600;font-size:1rem}.layer__body span{display:block;color:var(--reem-muted);font-size:var(--text-sm);margin-top:2px}.layer--physical{background:var(--reem-sand-light);border-color:var(--reem-sand)}.layer--digital{background:var(--reem-blue-light);border-color:var(--reem-blue-light)}.layer--governance{background:var(--reem-green-light);border-color:var(--reem-green-light)}.layer-connector{width:2px;height:14px;background:var(--reem-border);margin:4px 0 4px 36px}.section-heading{margin-bottom:48px;max-width:720px}.section-heading h2{margin-bottom:16px}.section-heading p{font-size:var(--text-lg);color:var(--reem-graphite-soft);margin:0}.do-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}@media (max-width: 800px){.do-grid{grid-template-columns:1fr}}.do-col{background:var(--surface-card);border:1px solid var(--reem-border);border-radius:var(--radius-card);padding:32px}.do-col h3{display:flex;align-items:center;gap:10px;font-size:var(--text-xl);margin-bottom:20px}.do-col__icon{width:24px;height:24px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-weight:700;font-size:0.8rem}.do-col--yes .do-col__icon{background:var(--reem-green-light);color:var(--reem-green-dark)}.do-col--no .do-col__icon{background:#FCEBE8;color:#8A2B22}@media (prefers-color-scheme: dark){.do-col--no .do-col__icon{background:#3B1F1B;color:#F5A399}}.do-col ul{list-style:none;padding:0;margin:0}.do-col li{padding:12px 0;border-top:1px solid var(--reem-border);color:var(--reem-graphite-soft);font-size:var(--text-base)}.do-col li:first-child{border-top:0}.cta-block{background:var(--always-dark-bg);color:var(--always-dark-text-strong);border-radius:24px;padding:56px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:32px}.cta-block h2{color:var(--always-dark-text-strong);margin-bottom:8px}.cta-block p{color:var(--always-dark-text);margin:0;max-width:50ch}.cta-block .btn-primary{background:var(--always-dark-text-strong);color:var(--always-dark-bg)}.cta-block .btn-primary:hover{background:var(--reem-green-light);color:var(--always-dark-bg)}.cta-block .btn-secondary{border-color:rgba(255,255,255,0.3);color:var(--always-dark-text-strong)}.cta-block .btn-secondary:hover{background:rgba(255,255,255,0.08);color:var(--always-dark-text-strong)}@media (max-width: 800px){.cta-block{grid-template-columns:1fr;padding:36px}}.breadcrumbs{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:0.06em;color:var(--reem-muted);text-transform:uppercase;padding:28px 0 0}.breadcrumbs a{color:var(--reem-muted)}.breadcrumbs a:hover{color:var(--reem-graphite);text-decoration:none}.breadcrumbs__sep{margin:0 8px;opacity:0.5}.page-header{padding:56px 0 48px;background:var(--reem-bg);border-bottom:1px solid var(--reem-border)}.page-header h1{font-size:clamp(2rem, 4vw, 3.25rem);margin:12px 0 16px}.page-header .lead{max-width:720px}.prose{margin:0 auto}.prose h2{margin-top:56px}.prose h3{margin-top:40px}.prose ul,.prose ol{color:var(--reem-graphite-soft)}.prose blockquote{margin:32px 0;padding:12px 24px;border-left:3px solid var(--reem-green);background:var(--reem-green-light);border-radius:4px;color:var(--reem-graphite-soft);font-style:normal}.prose code{font-family:var(--font-mono);font-size:0.92em;background:var(--reem-bg-alt);border:1px solid var(--reem-border);border-radius:4px;padding:1px 6px}.map-card{padding-bottom:24px}.map-3d{width:100%;height:320px;margin-top:12px;border-radius:14px;overflow:hidden;background:var(--reem-bg-alt);border:1px solid var(--reem-border);position:relative}.map-3d .maplibregl-canvas-container,.map-3d .maplibregl-canvas{display:block}.map-3d .maplibregl-ctrl-attrib{display:none}p.map-card__attribution{margin:0 0;font-size:var(--text-xs);color:var(--reem-muted);letter-spacing:0.02em;line-height:1.5}p.map-card__attribution a{color:var(--reem-muted)}p.map-card__attribution a:hover{color:var(--reem-graphite)}@media (prefers-color-scheme: dark){.map-3d{filter:brightness(0.9) contrast(0.95)}}.text-center{text-align:center}.mt-0{margin-top:0}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}.mt-6{margin-top:48px}.mb-0{margin-bottom:0}.skip-link{position:absolute;left:-9999px;top:auto;background:var(--always-dark-bg);color:var(--always-dark-text-strong);padding:10px 16px;border-radius:8px}.skip-link:focus{left:12px;top:12px;z-index:100}