:root{--ink:#16212b;--mut:#51606d;--bg:#fff;--alt:#f3f7f5;--blue:#1f4e79;--green:#2f7d5b;--line:#dde5e1;--r:10px}
@media(prefers-color-scheme:dark){:root{--ink:#e8eef2;--mut:#a6b4bf;--bg:#10171d;--alt:#16202a;--blue:#7fb2e0;--green:#6cc79c;--line:#26343f}}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:17px/1.65 "Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
.wrap{max-width:1100px;margin:auto;padding:0 20px}a{color:var(--blue)}h1,h2,h3{line-height:1.2;margin:0 0 .6em;font-family:Georgia,"Times New Roman",serif}h1{font-size:clamp(2rem,5vw,3.1rem)}h2{font-size:clamp(1.5rem,3vw,2rem)}h3{font-size:1.15rem}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:99}
.hdr{position:sticky;top:0;background:var(--bg);border-bottom:1px solid var(--line);z-index:50}.bar{display:flex;align-items:center;justify-content:space-between;min-height:64px}
.logo{font:700 1.15rem Georgia,serif;text-decoration:none;color:var(--ink)}.logo{display:flex;align-items:center;gap:10px}.logo img{display:block;border-radius:10px}.logo .lt span{color:var(--green)}nav ul{display:flex;gap:6px;list-style:none;margin:0;padding:0}nav a{display:block;padding:8px 12px;border-radius:8px;text-decoration:none;color:var(--ink);font-size:.95rem}nav a:hover{background:var(--alt)}nav a[aria-current]{color:var(--green);box-shadow:inset 0 -2px var(--green);border-radius:0}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;font-size:1.4rem;padding:4px 10px;color:var(--ink);cursor:pointer}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.hero{padding:64px 0;background:linear-gradient(180deg,var(--alt),var(--bg))}.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}.sub{font-size:1.15rem;color:var(--green);font-weight:600}.art{width:100%;height:auto;border-radius:20px}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-block;background:var(--blue);color:#fff;padding:12px 24px;border-radius:999px;border:0;text-decoration:none;font:600 1rem inherit;cursor:pointer;transition:transform .2s,box-shadow .2s}.btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(31,78,121,.25)}.btn.ghost{background:none;color:var(--blue);border:2px solid var(--blue)}
@media(prefers-color-scheme:dark){.btn{color:#10171d}}
.phead{padding:56px 0 24px;background:var(--alt)}.lead{font-size:1.15rem;color:var(--mut);max-width:70ch}.sec{padding:56px 0}.sec.alt{background:var(--alt)}
.grid{display:grid;gap:20px;margin-top:24px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--bg);border:1px solid var(--line);border-left:4px solid var(--green);border-radius:var(--r);padding:22px;box-shadow:0 2px 10px rgba(0,0,0,.05)}.card p{margin:0;color:var(--mut)}
.ticks{list-style:none;padding:0;columns:2;gap:30px}.ticks li{padding:6px 0 6px 28px;position:relative;break-inside:avoid}.ticks li:before{content:"\2713";position:absolute;left:0;color:var(--green);font-weight:700}
.cta{background:var(--blue);color:#fff;text-align:center}.cta .btn{background:#fff;color:var(--blue)}
.cg{display:grid;grid-template-columns:1fr 1fr;gap:24px}form label{display:block;font-weight:600;margin-bottom:14px}input,textarea{display:block;width:100%;margin-top:4px;padding:10px 12px;font:inherit;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}input.bad,textarea.bad{border-color:#c0392b}
#msg{font-weight:600;margin:12px 0 0}.ok{color:var(--green)}.err{color:#c0392b}.note{font-size:.9rem;color:var(--mut)}.prose{max-width:760px}.prose h2{font-size:1.3rem;margin-top:1.6em}
.ftr{background:#13202b;color:#d5dee5;padding:48px 0 20px}.ftr a{color:#9fd1ff}.ftr ul{list-style:none;padding:0}.ftr address{font-style:normal;margin-bottom:12px}.fg{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:30px}.fg p{margin:.3em 0}.copy{margin-top:30px;padding-top:16px;border-top:1px solid #2c3d4b;font-size:.9rem}
@media(max-width:900px){.hero .wrap,.cg,.fg{grid-template-columns:1fr}.g3,.g4{grid-template-columns:repeat(2,1fr)}.burger{display:block}nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line)}nav.open{display:block}nav ul{flex-direction:column;padding:10px 20px}}
@media(max-width:560px){.g2,.g3,.g4{grid-template-columns:1fr}.ticks{columns:1}.sec{padding:40px 0}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}