/* AcrossOne design system — premium, light + dark. Headings: Poppins · Body: Inter */
:root{
  --bg:#F8FAFC;--bg-2:#F1F5F9;--surface:#FFFFFF;--surface-2:#F8FAFC;
  --ink:#0F172A;--ink-2:#334155;--muted:#64748B;--line:#E2E8F0;--line-2:#CBD5E1;
  --b1:#4338CA;--b2:#2563EB;--acc:#2563EB;--acc-ink:#fff;--amber:#F59E0B;--amber-2:#FBBF24;
  --ok:#16A34A;--bad:#DC2626;
  --grad:linear-gradient(135deg,var(--b1),var(--b2));
  --radius:16px;--radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.08);
  --shadow:0 2px 4px rgba(15,23,42,.04),0 12px 32px -8px rgba(15,23,42,.14);
  --shadow-lg:0 4px 8px rgba(15,23,42,.04),0 32px 64px -16px rgba(30,41,99,.30);
  --glow:radial-gradient(600px 380px at 85% -10%,rgba(99,102,241,.18),transparent 70%),radial-gradient(520px 360px at -10% 20%,rgba(37,99,235,.12),transparent 70%);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;--display:'Poppins','Inter',system-ui,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0B1020;--bg-2:#0E1428;--surface:#121A30;--surface-2:#0F172A;
  --ink:#E8ECF5;--ink-2:#C3CBDB;--muted:#8B97AD;--line:#1F2A44;--line-2:#2B3A5C;
  --acc:#7C9BFF;--acc-ink:#0B1020;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);--shadow:0 12px 32px -8px rgba(0,0,0,.55);--shadow-lg:0 32px 64px -16px rgba(0,0,0,.7);
  --glow:radial-gradient(640px 420px at 85% -10%,rgba(99,102,241,.32),transparent 70%),radial-gradient(560px 380px at -10% 20%,rgba(37,99,235,.22),transparent 70%);
  color-scheme:dark;
}}
:root[data-theme="dark"]{--bg:#0B1020;--bg-2:#0E1428;--surface:#121A30;--surface-2:#0F172A;--ink:#E8ECF5;--ink-2:#C3CBDB;--muted:#8B97AD;--line:#1F2A44;--line-2:#2B3A5C;--acc:#7C9BFF;--acc-ink:#0B1020;color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4{font-family:var(--display);color:var(--ink);letter-spacing:-.02em;line-height:1.15;margin:0 0 .5em}
h1{font-weight:700}h2{font-weight:700}h3{font-weight:600}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .grad-text{background:linear-gradient(135deg,#A5B4FC,#93C5FD);-webkit-background-clip:text;background-clip:text}}

/* ---- nav ---- */
.topbar{position:sticky;top:0;z-index:40;backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);background:color-mix(in srgb,var(--bg) 78%,transparent);border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;height:68px}
.brand{display:inline-flex;align-items:center;gap:8px;color:var(--ink);text-decoration:none!important;font:700 20px var(--display);letter-spacing:-.02em}
.brand img{height:32px;width:auto;display:block}
.brand span{color:var(--acc)}
.brand-sub{font-style:normal;font-weight:600;font-size:13px;color:var(--muted);letter-spacing:0;margin-left:4px;vertical-align:middle}
.nav-links{display:flex;gap:6px;align-items:center;font-size:15px}
.nav-links>a:not(.btn){color:var(--ink-2);padding:8px 12px;border-radius:999px;text-decoration:none}
.nav-links>a:not(.btn):hover{background:var(--bg-2);color:var(--ink)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;padding:11px 20px;font:600 15px/1 var(--font);cursor:pointer;text-decoration:none!important;transition:transform .15s,box-shadow .15s,background .15s,border-color .15s;white-space:nowrap;background:var(--ink);color:var(--bg)}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn:active{transform:none}
.btn.acc,.btn.primary{background:var(--grad);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.25) inset,0 8px 20px -6px rgba(67,56,202,.55)}
.btn.alt,.btn.ghost{background:var(--surface);color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn.alt:hover,.btn.ghost:hover{border-color:var(--line-2)}
.btn.lg{padding:15px 26px;font-size:16px}
.btn.sm{padding:7px 13px;font-size:13px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid color-mix(in srgb,var(--acc) 45%,transparent);outline-offset:2px}

/* ---- hero ---- */
.hero-bg{position:relative;background:var(--glow);overflow:hidden}
.hero-bg::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:44px 44px;opacity:.45;-webkit-mask-image:radial-gradient(ellipse 70% 60% at 60% 20%,#000,transparent 75%);mask-image:radial-gradient(ellipse 70% 60% at 60% 20%,#000,transparent 75%);pointer-events:none}
.hero{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:72px 0 80px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font:600 13px var(--font);color:var(--ink-2);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 14px 6px 8px;box-shadow:var(--shadow-sm);margin-bottom:22px}
.eyebrow b{background:var(--grad);color:#fff;border-radius:999px;padding:2px 9px;font-size:11.5px;letter-spacing:.02em}
.hero h1{font-size:clamp(38px,5.6vw,64px);line-height:1.04;letter-spacing:-.035em;margin:0 0 20px}
.hero p.lead,.lead{font-size:clamp(17px,1.6vw,19px);color:var(--ink-2);margin:0 0 30px;max-width:540px}
.cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.trust{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:26px;color:var(--muted);font-size:14px}
.trust span{display:inline-flex;align-items:center;gap:7px}
.trust svg{color:var(--ok);flex:none}

/* browser frame mock */
.frame{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-lg);overflow:hidden;transform:perspective(1600px) rotateY(-6deg) rotateX(2deg);transform-origin:left center}
.frame-bar{display:flex;align-items:center;gap:8px;padding:11px 14px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.frame-bar i{width:10px;height:10px;border-radius:50%;background:#E5E7EB;display:block}
.frame-bar i:nth-child(1){background:#FCA5A5}.frame-bar i:nth-child(2){background:#FCD34D}.frame-bar i:nth-child(3){background:#86EFAC}
.frame-url{flex:1;margin-left:8px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:5px 10px;font:500 12.5px var(--font);color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.frame-url b{color:var(--ink);font-weight:600}
.frame-body{height:440px;overflow:hidden;background:#fff;position:relative}
.frame-body .ra{transform:scale(.6);transform-origin:top left;width:166.7%;max-width:none}
.frame-body::after{content:"";position:absolute;left:0;right:0;bottom:0;height:80px;background:linear-gradient(transparent,#fff)}
.float-chip{position:absolute;z-index:2;display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:9px 13px;box-shadow:var(--shadow);font:600 13.5px var(--font);color:var(--ink)}
.float-chip .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px color-mix(in srgb,var(--ok) 20%,transparent)}
.hero-visual{position:relative}
.hero-visual .c1{top:-14px;right:22px}.hero-visual .c2{bottom:26px;left:-22px}

/* ---- sections ---- */
.section{padding:88px 0}
.section.tight{padding:56px 0}
.section-head{max-width:640px;margin:0 auto 44px;text-align:center}
.section-head .kicker{font:700 12.5px var(--font);letter-spacing:.14em;text-transform:uppercase;color:var(--acc);margin-bottom:10px}
.section-head h2,.section h2{font-size:clamp(28px,3.4vw,40px);letter-spacing:-.03em}
.section-head p{color:var(--muted);font-size:17px;margin:0}
.alt-bg{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s}
a.card{color:inherit;text-decoration:none!important}
a.card:hover,.card.hover:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card h3{font-size:18px;margin:0 0 8px}
.card p{margin:0;color:var(--muted);font-size:15px}
.icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;background:color-mix(in srgb,var(--b2) 10%,var(--surface));color:var(--b2);border:1px solid color-mix(in srgb,var(--b2) 18%,transparent)}
.icon svg{width:22px;height:22px}
.step-n{font:700 13px var(--display);color:var(--acc);letter-spacing:.06em;margin-bottom:8px}

/* template showcase */
.tpl-card{padding:0;overflow:hidden;cursor:pointer;text-align:left;font:inherit;color:inherit}
.tpl-thumb{height:300px;overflow:hidden;background:#fff;border-bottom:1px solid var(--line);position:relative}
.tpl-thumb .ra{transform:scale(.42);transform-origin:top left;width:238%;max-width:none;pointer-events:none}
.tpl-meta{display:flex;align-items:center;justify-content:space-between;padding:16px 20px}
.tpl-meta b{font:600 16px var(--display)}
.tpl-meta span{font-size:13px;color:var(--muted)}

/* FAQ */
.faq{max-width:760px;margin:0 auto}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;box-shadow:var(--shadow-sm)}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font:600 16px var(--display);display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 24px/1 var(--font);color:var(--muted);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0;padding:0 22px 20px;color:var(--ink-2)}

/* CTA band */
.cta-band{position:relative;overflow:hidden;border-radius:24px;padding:56px;background:radial-gradient(600px 300px at 90% 0%,rgba(165,180,252,.35),transparent 70%),var(--grad);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff;margin:0 0 6px;font-size:clamp(26px,3vw,36px)}
.cta-band p{margin:0;color:rgba(255,255,255,.85);font-size:17px}
.cta-band .btn{background:#fff;color:var(--b1)}

/* prose (tips / legal) */
.prose{max-width:740px}.prose h1{font-size:clamp(32px,4vw,44px)}.prose h2{margin-top:40px;font-size:24px}.prose h3{margin-top:24px}.prose li{margin:6px 0}.prose p,.prose li{color:var(--ink-2)}

/* footer */
footer.site{border-top:1px solid var(--line);margin-top:24px;padding:40px 0 48px;color:var(--muted);font-size:14px;background:var(--surface-2)}
footer.site .wrap{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center}
footer.site a{color:var(--muted)}footer.site a:hover{color:var(--ink)}
footer.site .flinks{display:flex;gap:18px;flex-wrap:wrap}
footer.site img{height:26px;display:block}

/* ads — reserved, quiet */
[data-ad]{display:none}[data-ad].ad-on{display:block;margin:32px auto;min-height:90px;max-width:970px}

#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--bg);padding:12px 20px;border-radius:999px;opacity:0;transition:.25s;pointer-events:none;z-index:60;font:500 14px var(--font);box-shadow:var(--shadow)}
#toast.show{opacity:1;transform:translateX(-50%)}#toast.bad{background:var(--bad);color:#fff}

/* ---- editor ---- */
.editor-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:22px 0 14px;flex-wrap:wrap}
.editor-top h1{font-size:24px;margin:0}
.editor{display:grid;grid-template-columns:minmax(360px,460px) 1fr;gap:24px;align-items:start;padding-bottom:48px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:var(--shadow-sm)}
.panel h3{margin:0 0 12px;font-size:15.5px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.panel.hl{border-color:color-mix(in srgb,var(--b2) 35%,var(--line));background:linear-gradient(180deg,color-mix(in srgb,var(--b2) 5%,var(--surface)),var(--surface))}
label.f{display:block;font:600 12.5px var(--font);color:var(--ink-2);margin:12px 0 5px}
input.i,textarea.i,select.i{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-2);color:var(--ink);font:15px var(--font);transition:border-color .15s,box-shadow .15s,background .15s}
input.i:hover,textarea.i:hover{border-color:var(--line-2)}
input.i:focus,textarea.i:focus{outline:none;border-color:var(--acc);background:var(--surface);box-shadow:0 0 0 4px color-mix(in srgb,var(--acc) 15%,transparent)}
textarea.i{min-height:86px;resize:vertical;line-height:1.5}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.entry{border:1px solid var(--line);border-radius:12px;padding:6px 14px 14px;margin:12px 0;position:relative;background:var(--surface-2)}
.entry .rm{position:absolute;top:8px;right:8px;width:28px;height:28px;border-radius:8px;background:none;border:0;color:var(--muted);cursor:pointer;font-size:20px;line-height:1}
.entry .rm:hover{background:var(--bg-2);color:var(--bad)}
.linkrow{display:flex;gap:8px;align-items:center}.linkrow .pre{color:var(--muted);font:500 14px var(--font);white-space:nowrap}
.status{font-size:13px;margin-top:8px}.ok{color:var(--ok)}.bad{color:var(--bad)}
.preview-wrap{position:sticky;top:84px}
.paper{background:#fff;border-radius:12px;box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid var(--line)}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:14px;padding:10px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm)}
.tpls{display:flex;gap:4px;flex-wrap:wrap;background:var(--bg-2);border-radius:999px;padding:4px}
.tpls button{border:0;background:transparent;color:var(--ink-2);border-radius:999px;padding:7px 14px;cursor:pointer;font:600 13px var(--font)}
.tpls button.on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm)}
.userchip{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2)}.userchip img{width:32px;height:32px;border-radius:50%;border:2px solid var(--surface);box-shadow:var(--shadow-sm)}
.live{background:color-mix(in srgb,var(--ok) 14%,transparent);color:var(--ok);border-radius:999px;padding:3px 10px;font:700 11.5px var(--font);letter-spacing:.03em}
.draft{background:var(--bg-2);color:var(--muted);border-radius:999px;padding:3px 10px;font:700 11.5px var(--font);letter-spacing:.03em}
.tabs{display:none}
.hide-sm{}
.preview-card{display:none}

@media (max-width:960px){
  .hero{grid-template-columns:1fr;gap:40px;padding:48px 0 56px}
  .frame{transform:none}
  .hero-visual .c2{left:8px}
  .grid-3,.features{grid-template-columns:1fr 1fr}
  .editor{grid-template-columns:1fr}.preview-wrap{position:static}
  .tabs{display:flex;gap:8px;margin-bottom:14px}
  .editor[data-tab="edit"] .preview-wrap{display:none}.editor[data-tab="preview"] .form-col{display:none}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .nav{height:60px}.brand img{height:28px}
  .hide-sm{display:none!important}
  .grid-3,.features{grid-template-columns:1fr}
  .section{padding:64px 0}
  .frame-body{height:360px}
  .cta-band{padding:36px 24px}
  .grid2{grid-template-columns:1fr}
  .tpl-thumb{height:260px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{body{background:#fff}.topbar,.form-col,.toolbar,.tabs,[data-ad],footer.site,.editor-top{display:none!important}.editor{display:block}.paper{box-shadow:none;border:0}}