:root{--brand-deep:#042d3a;--brand-deep-2:#073a4b;--teal:#18909f;--teal-bright:#38c5d3;--amber:#ef8a25;--amber-bright:#f7b23b;--canvas:#fff;--canvas-elev:#fff;--canvas-band:#f1f6f7;--heading:#0c2a33;--body:#3a4a50;--muted:#6a7c82;--border:#e0e9ea;--border-strong:#c4d4d6;--accent:var(--teal);--accent-fg:#fff;--link:#14707d;--link-underline:#18909f66;--on-deep-heading:#f3fafb;--on-deep-body:#b9d0d6;--on-deep-muted:#8fabb3;--on-deep-border:#ffffff1f;--shadow-card:0 1px 2px #0828320d, 0 6px 16px #08283212;--shadow-lift:0 2px 6px #0828321a, 0 18px 40px #08283229;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-pill:999px;--container:1120px;--gutter:clamp(16px, 4vw, 32px);--section-gap:clamp(64px, 10vw, 112px);--font-sans:ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Inter", "Helvetica Neue", Arial, sans-serif}@media (prefers-color-scheme:dark){:root{--canvas:#06222c;--canvas-elev:#0a2c38;--canvas-band:#082833;--heading:#eaf5f6;--body:#b9d0d6;--muted:#84a1a8;--border:#123642;--border-strong:#1d4754;--accent:var(--teal-bright);--accent-fg:#05242e;--link:#5fd2dd;--link-underline:#5fd2dd80;--shadow-card:0 1px 2px #0006, 0 6px 18px #0006;--shadow-lift:0 2px 6px #00000080, 0 18px 40px #0000008c}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);color:var(--body);background:var(--canvas);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-size:17px;line-height:1.65}img,svg{max-width:100%;height:auto;display:block}a{color:var(--link);text-decoration:underline;text-decoration-color:var(--link-underline);text-underline-offset:3px}a:hover{text-decoration-color:var(--link)}.container{width:100%;max-width:var(--container);padding-inline:var(--gutter);margin:0 auto}.section{padding-block:var(--section-gap)}.section--band{background:var(--canvas-band);border-block:1px solid var(--border)}.section--deep{isolation:isolate;color:var(--on-deep-body);background:radial-gradient(120% 90% at 78% 8%, #38c5d329, transparent 55%), radial-gradient(90% 80% at 10% 100%, #ef8a251f, transparent 60%), linear-gradient(160deg, var(--brand-deep-2), var(--brand-deep));position:relative}.section--deep:before{content:"";z-index:-1;opacity:.5;background-image:url(/brand/topo.svg);background-size:760px;position:absolute;inset:0;mask-image:radial-gradient(130% 100% at 50% 0,#000 55%,#0000 100%)}.section--deep :where(h1,h2,h3,h4){color:var(--on-deep-heading)}.section--deep .lead{color:var(--on-deep-body)}h1,h2,h3,h4{color:var(--heading);letter-spacing:-.01em;font-weight:700}h1{letter-spacing:-.02em;font-size:clamp(2.25rem,5vw,3.5rem);line-height:1.1}h2{font-size:clamp(1.75rem,3.5vw,2.5rem);font-weight:700;line-height:1.2}h3{font-size:1.125rem;font-weight:600;line-height:1.4}.lead{color:var(--body);max-width:60ch;font-size:clamp(1.125rem,1.6vw,1.25rem);line-height:1.55}.eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--teal);align-items:center;gap:8px;font-size:.8125rem;font-weight:700;display:inline-flex}.eyebrow:before{content:"";opacity:.7;background:currentColor;border-radius:2px;width:22px;height:2px}.section--deep .eyebrow{color:var(--teal-bright)}.btn{border-radius:var(--radius-pill);white-space:nowrap;align-items:center;gap:8px;padding:14px 22px;font-size:1rem;font-weight:600;text-decoration:none;transition:transform 80ms,box-shadow .16s,background .16s,color .16s;display:inline-flex}.btn--primary{background:var(--amber);color:#2a1602;box-shadow:0 1px 2px #0828322e,0 8px 20px #ef8a2547}.btn--primary:hover{background:var(--amber-bright);text-decoration:none;transform:translateY(-1px);box-shadow:0 2px 6px #08283233,0 14px 30px #ef8a255c}.btn--ghost{color:var(--heading);border:1px solid var(--border-strong);background:0 0}.btn--ghost:hover{background:var(--canvas-band);border-color:var(--teal);color:var(--heading);text-decoration:none}.section--deep .btn--ghost{color:var(--on-deep-heading);border-color:#ffffff47}.section--deep .btn--ghost:hover{border-color:var(--teal-bright);color:var(--on-deep-heading);background:#ffffff14}.btn--sm{padding:10px 16px;font-size:.9375rem}.prose{max-width:760px}.prose>:first-child{margin-top:0}.prose h1{margin-bottom:8px;font-size:clamp(2rem,4vw,2.75rem);line-height:1.15}.prose h2{margin-top:44px;margin-bottom:12px;font-size:1.5rem;line-height:1.3}.prose h3{margin-top:28px;margin-bottom:8px;font-size:1.15rem}.prose h4{margin-top:20px;margin-bottom:6px;font-size:1rem}.prose p{margin-bottom:16px}.prose ul,.prose ol{margin-bottom:16px;padding-left:1.4em}.prose ul{list-style:outside}.prose ol{list-style:decimal}.prose li{margin-bottom:6px}.prose li>ul,.prose li>ol{margin-top:6px;margin-bottom:0}.prose strong{color:var(--heading)}.prose a{color:var(--link)}.prose hr{border:0;border-top:1px solid var(--border);margin:32px 0}.prose__meta{color:var(--muted);margin-bottom:32px;font-size:.9375rem}.nav{z-index:10;background:color-mix(in srgb, var(--canvas) 85%, transparent);-webkit-backdrop-filter:saturate(140%)blur(8px);border-bottom:1px solid var(--border);position:sticky;top:0}.nav__inner{justify-content:space-between;align-items:center;gap:16px;height:64px;display:flex}.brand{color:var(--heading);align-items:center;gap:10px;font-weight:700;text-decoration:none;display:inline-flex}.brand img{border-radius:6px;width:28px;height:28px}.nav__links{align-items:center;gap:24px;display:flex}.nav__links a{color:var(--body);font-size:.9375rem;font-weight:500;text-decoration:none}.nav__links a:hover{color:var(--heading)}.nav__lang{color:var(--muted);font-size:.875rem}@media (width<=640px){.nav__links .nav__hide-sm{display:none}}.footer{border-top:1px solid var(--border);background:var(--canvas);padding-block:56px 40px}.footer__grid{grid-template-columns:1.4fr repeat(3,1fr);gap:32px;display:grid}@media (width<=720px){.footer__grid{grid-template-columns:repeat(3,1fr)}.footer__brand{grid-column:1/-1}}@media (width<=480px){.footer{padding-block:40px 32px}.footer__grid{grid-template-columns:1fr;gap:28px}}.footer__brand{flex-direction:column;gap:12px;display:flex}.footer__brand .brand img{width:32px;height:32px}.footer__brand p{color:var(--muted);max-width:32ch}.footer__col h4{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;font-size:.8125rem;font-weight:600}.footer__col ul{flex-direction:column;gap:8px;list-style:none;display:flex}.footer__col a{color:var(--body);font-size:.9375rem;text-decoration:none}.footer__col a:hover{color:var(--link);text-decoration:underline}.footer__bottom{border-top:1px solid var(--border);color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:40px;padding-top:24px;font-size:.875rem;display:flex}@media (width<=480px){.footer__bottom{flex-direction:column;align-items:flex-start;gap:12px;margin-top:32px}}