:root{
  --navy:#0f2a43; --navy-2:#16395a; --green:#1baf7a; --green-d:#0d7a58; --green-50:#eefaf5;
  --bg:#f8f9fa; --card:#ffffff; --sunken:#eef1f4; --ink:#0b1b2b; --ink-2:#4a5866; --ink-3:#7a8794; --line:#dde3e8;
  --radius:16px; --shadow:0 1px 2px rgba(15,42,67,.06),0 8px 24px rgba(15,42,67,.06);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0a1520; --card:#10202f; --sunken:#0d1b29; --ink:#f2f6fa; --ink-2:#b4c0cb; --ink-3:#8593a0; --line:#1f3144; --green-50:#0f2a26; --green-d:#34c896; --shadow:none;}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;line-height:1.6}
h1,h2,h3,h4{margin:0;letter-spacing:-.015em;line-height:1.15;text-wrap:balance}
p{margin:0;color:var(--ink-2)}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding-inline:24px}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:8px 14px;border-radius:8px;z-index:50}
.skip:focus{left:12px}
a:focus-visible,button:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px}

/* header */
.site-head{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px}
.mark{flex:none;display:block}
.wordmark{font-size:22px;font-weight:750;letter-spacing:-.02em;color:var(--ink)}
.wordmark b{color:var(--green-d);font-weight:750}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{padding:8px 12px;border-radius:999px;font-size:14.5px;font-weight:550;color:var(--ink-2)}
.nav a:hover{background:var(--sunken);color:var(--ink)}
.nav a[aria-current=page]{color:var(--ink);background:var(--sunken)}
.head-cta{margin-left:4px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 24px;font-size:15px;font-weight:650;border:1px solid transparent;transition:transform .12s ease,background .15s ease;cursor:pointer}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-2)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--sunken)}
.btn-sm{padding:9px 16px;font-size:13.5px}
.btn-accent{background:var(--green);color:#052a1d}
.btn-accent:hover{background:#3fcf98}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost-light:hover{background:rgba(255,255,255,.1)}
@media (prefers-color-scheme:dark){ .btn-primary{background:var(--green);color:#052a1d} .btn-primary:hover{background:#3fcf98} }

/* hero */
.hero{padding:76px 0 64px}
.hero-sm{padding:64px 0 44px}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.pill{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;background:var(--green-50);color:var(--green-d);font-size:13px;font-weight:650;margin-bottom:18px}
.pill.g{margin-bottom:12px}
h1{font-size:clamp(34px,5vw,56px);font-weight:780;max-width:18ch}
.hero-sm h1{max-width:22ch}
.lead{font-size:clamp(17px,2vw,20px);max-width:58ch;margin-top:18px;color:var(--ink-2)}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-panel{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:10px}
.hp-row{display:flex;gap:16px;align-items:flex-start;padding:20px 18px}
.hp-row+.hp-row{border-top:1px solid var(--line)}
.hp-row b{display:block;font-size:18px;margin-bottom:4px}
.hp-row p{font-size:15px;line-height:1.55}
.hp-ico{flex:none;display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:13px;background:var(--navy)}
.hp-ico .ico{color:#fff;width:24px;height:24px}
.hp-ico.g{background:var(--green)}
.hp-ico.g .ico{color:#052a1d}

/* sections */
.section{padding:64px 0}
.section.alt{background:var(--sunken);border-block:1px solid var(--line)}
.sec-title{font-size:clamp(26px,3.2vw,36px);font-weight:750}
.sec-sub{margin-top:12px;max-width:66ch;font-size:17px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.feature,.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.feature h3,.card h3{font-size:20px;margin:14px 0 8px}
.card h3{font-size:18px}
.feature p,.card p{font-size:15.5px}
.ico{color:var(--green-d);display:block}
.more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-weight:650;color:var(--green-d)}
.more:hover{text-decoration:underline}
.feature .btn{margin-top:18px}
.narrow{max-width:860px}
.tight{margin-top:22px}

/* steps */
.steps{list-style:none;padding:0;margin:30px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.steps li{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.steps b{display:inline-flex;width:32px;height:32px;border-radius:50%;background:var(--navy);color:#fff;align-items:center;justify-content:center;font-size:14px;margin-bottom:12px}
@media (prefers-color-scheme:dark){.steps b{background:var(--green);color:#052a1d}}
.steps h3{font-size:18px;margin-bottom:6px}.steps p{font-size:15px}
.note{margin-top:22px;font-size:15px}

/* board card */
.board{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:var(--shadow)}
.board-head{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-start}
.board h2{font-size:32px;margin-bottom:6px}
.ticks{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:14px}
.ticks li{position:relative;padding-left:30px;color:var(--ink-2);font-size:16px}
.ticks li::before{content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;background:var(--green-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.4l2.5 2.5L13 6.4' fill='none' stroke='%231baf7a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/18px no-repeat}
.ticks b{color:var(--ink)}

/* facts */
.facts{margin:14px 0 0;display:grid;gap:0;border:1px solid var(--line);border-radius:14px;background:var(--card);overflow:hidden}
.facts div{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:14px 20px;border-top:1px solid var(--line)}
.facts div:first-child{border-top:0}
.facts dt{color:var(--ink-3);font-size:14px}.facts dd{margin:0;font-weight:600;overflow-wrap:anywhere}
.facts a{color:var(--green-d);text-decoration:underline}

/* band */
.band{background:var(--navy);color:#fff;margin-top:0}
.band-in{display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap;padding-block:52px}
.band h2{font-size:clamp(24px,3vw,32px);color:#fff}
.band p{color:#c5d3e0;margin-top:8px;max-width:56ch}
.band-cta{display:flex;gap:12px;flex-wrap:wrap}

/* footer */
.site-foot{background:var(--card);border-top:1px solid var(--line);padding:44px 0 36px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.foot-grid h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3);margin-bottom:12px}
.foot-grid a:not(.brand){display:block;padding:4px 0;font-size:15px;color:var(--ink-2)}
.foot-grid a:not(.brand):hover{color:var(--ink);text-decoration:underline}
.foot-tag{margin-top:12px;font-size:14.5px;max-width:30ch}
.foot-co{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}

@media (max-width:900px){
  .hero-in{grid-template-columns:1fr}.hero-panel{max-width:560px}
  .grid2,.grid3,.steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .head-in{flex-wrap:wrap;padding-block:10px;gap:6px 12px}
  .head-cta{display:none}
  .nav{order:3;width:100%;margin-left:-8px;flex-wrap:wrap;gap:2px}
  .nav a{white-space:nowrap;padding:7px 11px;font-size:14px}
  .hero{padding:44px 0 40px}.hero-sm{padding:40px 0 28px}.section{padding:48px 0}
}
@media (max-width:520px){
  .facts div{grid-template-columns:1fr;gap:2px}
  .foot-grid{grid-template-columns:1fr}
  .board{padding:22px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}