:root{
  --navy:#16324f;--navy-2:#0f2338;--blue:#2563eb;--green:#16a34a;--green-h:#15803d;
  --ink:#0f172a;--muted:#5b6b80;--line:#e3e8ef;--bg:#f6f8fb;--card:#fff;--warn:#b45309;--warn-bg:#fff7ed;
  --danger:#dc2626;--radius:14px;--shadow:0 1px 2px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.06);
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:#fff;line-height:1.6;font-size:16px}
img,svg{max-width:100%;display:block}
a{color:var(--blue)}
h1,h2,h3{line-height:1.2;color:var(--navy);margin:0 0 .6em}
h1{font-size:clamp(2rem,4.5vw,3rem);letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3vw,2.1rem);letter-spacing:-.01em}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.container{width:min(1140px,100% - 32px);margin-inline:auto}
.narrow{width:min(820px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;z-index:100;background:#fff;padding:8px 12px}
:focus-visible{outline:3px solid #93c5fd;outline-offset:2px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--navy);text-decoration:none;font-size:1.1rem}
.logo svg{width:28px;height:28px}
.menu{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.menu a,.menu button.drop-btn{color:var(--ink);text-decoration:none;font-size:.95rem;padding:8px 12px;border-radius:8px;background:none;border:0;font:inherit;cursor:pointer}
.menu a:hover,.menu button.drop-btn:hover,.menu a[aria-current=page]{background:var(--bg);color:var(--navy)}
.dropdown{position:relative}
.dropdown-panel{position:absolute;top:100%;left:0;min-width:260px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;display:none}
.dropdown:hover .dropdown-panel,.dropdown.open .dropdown-panel{display:block}
.dropdown-panel a{display:block}
.nav-cta{display:flex;gap:8px;align-items:center}
.mobile-only{display:none}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:22px;height:2px;background:var(--navy);margin:5px 0;transition:.2s}
@media (max-width:860px){
  .burger{display:block}
  .mobile-only{display:block}
  .menu{position:fixed;inset:64px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 16px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none}
  .menu.open{display:flex}
  .dropdown-panel{position:static;display:block;box-shadow:none;border:0;padding:0 0 0 12px}
  .nav-cta .btn-outline{display:none}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;font-weight:600;text-decoration:none;border:2px solid transparent;cursor:pointer;font:inherit;font-weight:600;transition:transform .1s,background .15s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--green-h)}
.btn-blue{background:var(--navy);color:#fff}.btn-blue:hover{background:var(--navy-2)}
.btn-outline{border-color:var(--navy);color:var(--navy);background:#fff;padding:8px 16px}
.btn-outline:hover{background:var(--bg)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{background:var(--bg)}
.btn-danger{background:#fff;color:var(--danger);border-color:#fecaca}
.btn-sm{padding:6px 12px;font-size:.88rem;border-radius:8px}
.btn-lg{padding:15px 28px;font-size:1.05rem}
.btn[disabled]{opacity:.6;cursor:not-allowed}

/* Sections */
.hero{background:linear-gradient(135deg,var(--navy-2),var(--navy) 55%,#1d4e7a);color:#fff;padding:88px 0 96px;text-align:center}
.hero h1{color:#fff;max-width:880px;margin-inline:auto}
.hero p.lead{color:#d6e2ef;max-width:680px;margin:0 auto 28px;font-size:1.12rem}
.hero .badges{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-top:22px;color:#bcd0e4;font-size:.92rem}
.page-hero{background:linear-gradient(135deg,var(--navy-2),var(--navy));color:#fff;padding:64px 0;text-align:center}
.page-hero h1{color:#fff}.page-hero p{color:#d6e2ef;max-width:680px;margin-inline:auto;font-size:1.08rem}
section{padding:72px 0}
.alt{background:var(--bg)}
.section-head{text-align:center;max-width:700px;margin:0 auto 44px}
.section-head p{color:var(--muted)}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card .ico{font-size:1.9rem;line-height:1;margin-bottom:12px}
.card p{color:var(--muted);margin-bottom:0}
.card .example{margin-top:12px;background:var(--bg);border-radius:10px;padding:10px 12px;font-size:.9rem;color:var(--ink)}
.steps .num{width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700;margin-bottom:12px}
.feature-block{margin-bottom:56px}
.feature-block>h2{margin-bottom:.2em}.feature-block>.sub{color:var(--muted);margin-bottom:22px}
.notice{border-left:4px solid var(--warn);background:var(--warn-bg);padding:14px 18px;border-radius:8px;color:#7c2d12}
.cta-band{background:linear-gradient(135deg,var(--navy),#1d4e7a);color:#fff;text-align:center;border-radius:20px;padding:52px 24px}
.cta-band h2{color:#fff}.cta-band p{color:#d6e2ef}
.tag{display:inline-block;font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:999px;background:#dcfce7;color:#166534}
.tag.blue{background:#dbeafe;color:#1e40af}.tag.gray{background:#eef2f7;color:#475569}.tag.amber{background:#fef3c7;color:#92400e}

/* Pricing */
.toggle{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:4px;margin:0 auto 36px}
.toggle button{border:0;background:none;padding:8px 18px;border-radius:999px;font:inherit;cursor:pointer;color:var(--muted)}
.toggle button.on{background:#fff;color:var(--navy);font-weight:600;box-shadow:var(--shadow)}
.price-card{position:relative;display:flex;flex-direction:column}
.price-card.featured{border:2px solid var(--green)}
.price-card .ribbon{position:absolute;top:-12px;left:50%;transform:translateX(-50%)}
.price{font-size:2.6rem;font-weight:800;color:var(--navy);margin:8px 0 0}
.price small{font-size:1rem;font-weight:500;color:var(--muted)}
.price-note{color:var(--muted);font-size:.9rem;min-height:1.4em}
.checks{list-style:none;padding:0;margin:18px 0 24px;flex:1}
.checks li{padding:6px 0 6px 28px;position:relative}
.checks li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:800}
table.cmp{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}
table.cmp th,table.cmp td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:center}
table.cmp th:first-child,table.cmp td:first-child{text-align:left}
table.cmp thead th{background:var(--navy);color:#fff}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}

/* FAQ */
.faq-group{margin-bottom:36px}
details.qa{border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:10px}
details.qa summary{cursor:pointer;padding:16px 20px;font-weight:600;color:var(--navy);list-style:none;display:flex;justify-content:space-between;gap:12px}
details.qa summary::-webkit-details-marker{display:none}
details.qa summary:after{content:"+";font-size:1.3rem;line-height:1;color:var(--muted)}
details.qa[open] summary:after{content:"–"}
details.qa .a{padding:0 20px 16px;color:var(--muted)}

/* Forms */
label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px;color:var(--ink)}
.field{margin-bottom:16px}
input,select,textarea{width:100%;padding:11px 13px;border:1px solid #cfd8e3;border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px #dbeafe}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:640px){.row2,.row3{grid-template-columns:1fr}}
.hint{font-size:.83rem;color:var(--muted);margin-top:4px}
.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px;font-size:.95rem}
.alert.err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert.ok{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}
.hp{position:absolute;left:-5000px}

/* Legal / prose */
.prose h2{font-size:1.35rem;margin-top:2em}.prose h3{margin-top:1.4em}
.prose p,.prose li{color:#334155}
.prose .updated{color:var(--muted);font-size:.9rem}

/* Footer */
.site-footer{background:var(--navy-2);color:#b6c5d6;padding:56px 0 28px;margin-top:0}
.site-footer a{color:#dbe6f1;text-decoration:none}.site-footer a:hover{text-decoration:underline}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px}
.foot-grid h4{color:#fff;margin:0 0 12px;font-size:.95rem}
.foot-grid ul{list-style:none;padding:0;margin:0}.foot-grid li{margin:6px 0;font-size:.92rem}
.foot-bottom{border-top:1px solid #23405f;margin-top:36px;padding-top:20px;font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}

/* Chat widget */
.chat-fab{position:fixed;right:20px;bottom:20px;z-index:60;width:56px;height:56px;border-radius:50%;border:0;background:var(--green);color:#fff;font-size:1.5rem;box-shadow:0 8px 24px rgba(0,0,0,.2);cursor:pointer}
.chat-box{position:fixed;right:20px;bottom:88px;z-index:60;width:min(360px,calc(100vw - 32px));height:min(480px,calc(100vh - 120px));background:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.25);display:none;flex-direction:column;overflow:hidden}
.chat-box.open{display:flex}
.chat-head{background:var(--navy);color:#fff;padding:14px 16px;font-weight:600;display:flex;justify-content:space-between}
.chat-head button{background:none;border:0;color:#fff;font-size:1.2rem;cursor:pointer}
.chat-log{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:8px;background:var(--bg)}
.msg{max-width:85%;padding:9px 12px;border-radius:12px;font-size:.92rem;white-space:pre-wrap}
.msg.bot{background:#fff;border:1px solid var(--line);align-self:flex-start}
.msg.me{background:var(--navy);color:#fff;align-self:flex-end}
.chat-form{display:flex;border-top:1px solid var(--line)}
.chat-form input{border:0;border-radius:0}
.chat-form button{border:0;background:var(--green);color:#fff;padding:0 16px;cursor:pointer;font-weight:600}

/* Auth page */
.auth-wrap{display:grid;grid-template-columns:1fr 1fr;min-height:calc(100vh - 64px)}
.auth-side{background:linear-gradient(135deg,var(--navy-2),var(--navy));color:#fff;padding:64px 48px;display:flex;flex-direction:column;justify-content:center}
.auth-side h2{color:#fff}.auth-side li{margin:10px 0;color:#d6e2ef}
.auth-main{display:flex;align-items:center;justify-content:center;padding:48px 20px}
.auth-card{width:min(420px,100%)}
.tabs{display:flex;border-bottom:1px solid var(--line);margin-bottom:22px}
.tabs button{flex:1;background:none;border:0;padding:12px;font:inherit;font-weight:600;color:var(--muted);cursor:pointer;border-bottom:3px solid transparent}
.tabs button.on{color:var(--navy);border-color:var(--green)}
@media(max-width:860px){.auth-wrap{grid-template-columns:1fr}.auth-side{display:none}}

.hidden{display:none!important}
.center{text-align:center}.mt{margin-top:24px}.muted{color:var(--muted)}
.roadmap-col h3{display:flex;gap:8px;align-items:center}
.road-item{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px;background:#fff}
.road-item strong{color:var(--navy)}
.road-item p{margin:4px 0 0;color:var(--muted);font-size:.92rem}