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.625em}legend{box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal}progress{vertical-align:baseline}textarea{overflow:auto}[type=checkbox],[type=radio]{box-sizing:border-box;padding:0}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}details{display:block}summary{display:list-item}template{display:none}[hidden]{display:none}:root{--xt-blue: #003f7f;--xt-blue-700: #00336a;--xt-blue-900: #0a1f45;--xt-cyan: #00aeef;--xt-cyan-600: #006f9c;--xt-cyan-100: #dff4fd;--xt-ink: #102438;--xt-amber: #f6ac2d;--color-bg: #f6f9fd;--color-bg-raised: #ffffff;--color-text-primary: #102438;--color-text-secondary: #2c3a52;--color-text-muted: #596b82;--color-border: rgba(0, 63, 127, .12);--color-accent: var(--xt-cyan-600);--glass-bg: rgba(255, 255, 255, .74);--glass-bg-strong: rgba(255, 255, 255, .9);--glass-border: rgba(255, 255, 255, .7);--glass-edge: rgba(0, 63, 127, .1);--glass-blur: blur(18px) saturate(140%);--gradient-brand: linear-gradient(135deg, #0a1f45 0%, #003f7f 50%, #00aeef 100%);--gradient-text: linear-gradient(90deg, #003f7f 0%, #006f9c 55%, #007ca8 100%);--shadow-sm: 0 2px 6px rgba(16, 36, 56, .08);--shadow-md: 0 8px 24px rgba(16, 36, 56, .1);--shadow-lg: 0 16px 40px rgba(16, 36, 56, .14);--shadow-glass: 0 10px 30px rgba(16, 36, 56, .1), inset 0 1px 0 rgba(255, 255, 255, .55);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-pill: 999px;--tracking-tight: -.032em;--tracking-kicker: .2em;--ease-out: cubic-bezier(.22, .61, .36, 1);--font-sans: "Inter Variable", system-ui, -apple-system, "Segoe UI", sans-serif;--header-height: 88px;color-scheme:light}html{scroll-padding-top:calc(var(--header-height) + 16px);-webkit-text-size-adjust:100%;text-size-adjust:100%}html,body{font-family:var(--font-sans);font-size:16px;color:var(--color-text-primary);background:var(--color-bg)}body{-webkit-tap-highlight-color:transparent}h1,h2,h3,h4{color:var(--color-text-primary);letter-spacing:var(--tracking-tight);line-height:1.15;font-weight:800}h1{font-size:clamp(2.25rem,4.6vw,3.75rem);line-height:1.04;overflow-wrap:break-word}@media(max-width:420px){h1{font-size:1.85rem}}h2{font-size:clamp(1.75rem,3vw,2.5rem);font-weight:760;line-height:1.1}h3,.card-title{font-weight:680;letter-spacing:-.012em}h3{font-size:1.25rem;line-height:1.3}p{margin:0 0 1rem;font-size:1.0625rem;line-height:1.72;color:var(--color-text-secondary)}a{color:var(--xt-blue)}:focus-visible{outline:3px solid var(--xt-blue);outline-offset:3px}.container{max-width:1200px;margin:0 auto;padding-left:max(1.25rem,env(safe-area-inset-left));padding-right:max(1.25rem,env(safe-area-inset-right))}@media(min-width:768px){.container{padding-left:max(3rem,env(safe-area-inset-left));padding-right:max(3rem,env(safe-area-inset-right))}}.section{position:relative;padding:clamp(4rem,8vw,6.5rem) 0}.page-hero{position:relative;overflow:hidden;padding:clamp(3rem,7vw,5.5rem) 0 clamp(1.5rem,3vw,2.5rem);background:radial-gradient(900px 420px at 90% -20%,rgba(0,174,239,.18),transparent 60%),radial-gradient(700px 360px at 0% 0%,rgba(0,63,127,.08),transparent 60%)}.page-hero h1{max-width:900px;margin-bottom:1.25rem;font-size:clamp(2.1rem,4.2vw,3.4rem);text-wrap:balance}@media(max-width:420px){.page-hero h1{font-size:1.85rem}}.page-hero h1{overflow-wrap:break-word}.page-hero .lead{max-width:720px}.page-hero__split{display:grid;gap:2rem;align-items:center}@media(min-width:960px){.page-hero__split{grid-template-columns:1.4fr 1fr}}.page-hero__art{display:block;width:min(100%,440px);height:auto;margin:0 auto;animation:hero-art-float 7s ease-in-out infinite;transition:filter .42s var(--ease-out)}.page-hero__art:hover{filter:drop-shadow(0 18px 34px rgba(0,174,239,.32)) saturate(1.08) brightness(1.03)}@keyframes hero-art-float{0%,to{translate:0 0}50%{translate:0 -8px}}@media(prefers-reduced-motion:reduce){.page-hero__art{animation:none}}.section--tight{padding:clamp(2.5rem,5vw,4rem) 0}.section--raised{background:var(--color-bg-raised)}.section--dark{background:radial-gradient(1200px 500px at 85% -10%,rgba(0,174,239,.22),transparent 60%),linear-gradient(160deg,#0a1f45,#102438);color:#ffffffdb}.section--dark h2,.section--dark h3{color:#fff}.section--dark p{color:#ffffffc7}.section--dark .section-eyebrow{color:#7fd4f2}.section-eyebrow{display:inline-block;margin-bottom:.9rem;font-size:.78rem;font-weight:700;letter-spacing:var(--tracking-kicker);text-transform:uppercase;color:var(--color-accent)}.section-header{max-width:760px;margin-bottom:clamp(2rem,4vw,3.5rem)}.section-header--center{margin-left:auto;margin-right:auto;text-align:center}.section-header p{font-size:1.125rem}.lead{font-size:clamp(1.15rem,1.7vw,1.35rem);font-weight:400;line-height:1.6;color:var(--color-text-secondary)}.text-gradient{background:var(--gradient-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.split{display:grid;gap:clamp(2rem,5vw,4rem);align-items:center}@media(min-width:960px){.split{grid-template-columns:1fr 1fr}.split--reverse>:first-child{order:2}.split--video{grid-template-columns:2fr 3fr}}.grid{display:grid;gap:1.25rem}@media(min-width:720px){.grid--2,.grid--3{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.grid--3{grid-template-columns:repeat(3,1fr)}}.glass-card{position:relative;padding:1.75rem;background-color:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-glass);transition:box-shadow .36s var(--ease-out),border-color .36s var(--ease-out),background .36s var(--ease-out)}.glass-card:hover{background-color:var(--glass-bg-strong);border-color:color-mix(in srgb,var(--xt-cyan) 30%,var(--glass-border));box-shadow:var(--shadow-lg)}.glass-card h3{margin-bottom:.6rem}.glass-card p:last-child{margin-bottom:0}.section--dark .glass-card{background-color:#ffffff0f;border-color:#7fd4f229;box-shadow:none}.section--dark .glass-card:hover{background-color:#ffffff1a}.card-icon{display:inline-grid;place-items:center;width:44px;height:44px;margin-bottom:1rem;border-radius:var(--radius-md);background:var(--xt-cyan-100);color:var(--xt-blue)}.card-icon svg{width:22px;height:22px}.section--dark .card-icon{background:#00aeef29;color:#7fd4f2}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:48px;padding:.8rem 1.4rem;border:1px solid transparent;border-radius:var(--radius-md);font:inherit;font-size:.95rem;font-weight:650;text-decoration:none;cursor:pointer;transition:box-shadow .2s var(--ease-out),background .2s var(--ease-out),filter .2s var(--ease-out),border-color .2s var(--ease-out)}.btn--accent{background:var(--xt-cyan-600);color:#fff;box-shadow:0 4px 14px #0089c059}.btn--accent:hover{filter:brightness(1.08);box-shadow:0 6px 22px #00aeef73}.btn--primary{background:var(--xt-blue);color:#fff;box-shadow:0 4px 14px #003f7f40}.btn--primary:hover{filter:brightness(1.12)}.btn--ghost{background:var(--glass-bg);border-color:var(--glass-edge);color:var(--color-text-primary)}.btn--ghost:hover{background:var(--glass-bg-strong);border-color:color-mix(in srgb,var(--xt-cyan) 40%,var(--glass-edge))}.btn--on-dark{background:#ffffff14;border-color:#ffffff47;color:#fff}.btn--on-dark:hover{background:#ffffff29}.btn-row{display:flex;flex-wrap:wrap;gap:.75rem}.check-list{display:grid;gap:.75rem;margin:0;padding:0;list-style:none}.check-list li{position:relative;padding-left:1.9rem;line-height:1.55;color:var(--color-text-secondary)}.check-list li:before{content:"";position:absolute;left:0;top:.2rem;width:1.15rem;height:1.15rem;border-radius:50%;background:var(--xt-cyan-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%23003f7f' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/80% no-repeat}.section--dark .check-list li{color:#ffffffd1}.pill{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .8rem;border-radius:var(--radius-pill);background:var(--xt-cyan-100);color:var(--xt-blue);font-size:.8rem;font-weight:600}.prose{max-width:780px}.prose h2{margin-top:2.5rem;font-size:1.5rem}.prose h3{margin-top:1.75rem;font-size:1.15rem}.prose ul{padding-left:1.25rem;line-height:1.65;color:var(--color-text-secondary)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(prefers-reduced-motion:reduce){.glass-card,.btn{transition:none}}@property --xt-spot-on{syntax: "<number>"; inherits: true; initial-value: 0;}.xt-spotlight{--xt-spot-x: 50%;--xt-spot-y: 50%;background-image:radial-gradient(260px circle at var(--xt-spot-x) var(--xt-spot-y),color-mix(in srgb,var(--xt-cyan) calc(18% * var(--xt-spot-on, 0)),transparent),color-mix(in srgb,var(--xt-blue) calc(6% * var(--xt-spot-on, 0)),transparent) 40%,transparent 70%);transition:--xt-spot-on .38s var(--ease-out)}@media(prefers-reduced-motion:reduce){.xt-spotlight{background-image:none;transition:none}}html[data-motion-paused],html[data-motion-paused] *,html[data-motion-paused] *:before,html[data-motion-paused] *:after{animation-play-state:paused!important;transition:none!important;scroll-behavior:auto!important}html[data-motion-paused] .reveal-pending{opacity:1!important;transform:none!important}html[data-motion-paused] .pearl{opacity:0!important}html[data-motion-paused] [appTilt]{transform:none!important}html[data-motion-paused] .story-step{opacity:1!important}.language-picker{position:relative;color:var(--xt-blue)}.language-picker__trigger{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 12px;border:1px solid #cce2f1;border-radius:14px;background:#edf7fc;color:#003f7f;font:inherit;font-size:.85rem;font-weight:700;cursor:pointer;transition:background .16s,border-color .16s}.language-picker__trigger:hover,.language-picker__trigger[aria-expanded=true]{background:#dff2fc;border-color:#00afe6}.language-picker svg{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.language-picker__globe{width:17px;height:17px;opacity:.8}.language-picker__chevron{width:14px;height:14px;transition:transform .16s}.language-picker__trigger[aria-expanded=true] .language-picker__chevron{transform:rotate(180deg)}.language-picker__panel{position:absolute;right:0;top:calc(100% + 10px);z-index:100;width:210px;padding:6px;border:1px solid #d8e6f0;border-radius:16px;background:#fff;box-shadow:0 14px 36px #003f7f20,0 2px 5px #003f7f08}.language-picker__option{display:flex;align-items:center;gap:12px;min-height:48px;padding:8px 10px;border-radius:10px;color:#183b59;text-decoration:none;font-size:.9rem;font-weight:500}.language-picker__option:hover{background:#f0f7fc}.language-picker__option.is-current{background:#e4f5fd;color:#003f7f}.language-picker__option svg{margin-left:auto;width:16px;height:16px;color:#008ebc}.language-picker__code{width:28px;font-size:.7rem;font-weight:700;letter-spacing:.04em;color:#53738d}.language-picker__trigger:focus-visible,.language-picker__option:focus-visible,.language-picker__drawer a:focus-visible{outline:2px solid #008ebc;outline-offset:3px}.language-picker__drawer{display:flex;gap:4px;padding:4px;border-radius:14px;background:#edf5fb}.language-picker__drawer a{flex:1;display:grid;place-items:center;min-height:44px;padding:6px;border-radius:10px;color:#003f7f;text-decoration:none;font-size:.85rem}.language-picker__drawer a.is-current{background:#fff;box-shadow:0 2px 6px #003f7f12;font-weight:700}@media(max-width:380px){.language-picker__globe{display:none}.language-picker__trigger{gap:6px;padding-inline:10px}}@media(prefers-reduced-motion:reduce){.language-picker__trigger,.language-picker__chevron{transition:none}}main,.container{min-width:0;overflow-wrap:anywhere}*{box-sizing:border-box}body{margin:0}button,input{font-family:inherit}img{max-width:100%}a,button{-webkit-tap-highlight-color:transparent}h1,h2,h3,h4{margin-top:0}h2{text-wrap:balance}.text-link{color:#003f7f;font-weight:650;text-decoration:none}.text-link:hover{text-decoration:underline;text-underline-offset:4px}.fine-print{font-size:.75rem;line-height:1.7;color:#536a80}.skip-link{position:fixed;top:-100px;left:1rem;z-index:100;padding:1rem;background:#062642;color:#fff;border-radius:8px}.skip-link:focus{top:1rem}.btn--primary{background:#062642}.btn--primary:hover{background:#003f7f}:root{--xt-ink: #062642;--gradient-text: linear-gradient(90deg, #003f7f, #087997);--header-height: 88px}html[data-motion-paused] *,html[data-motion-paused] *:before,html[data-motion-paused] *:after{animation-play-state:paused!important;transition:none!important}@media(max-width:720px){:root{--header-height: 76px}}