:root{
  --ink:#1f2a44;--ink-2:#34405e;--accent:#b4472c;--accent-2:#d9663f;
  --paper:#faf7f2;--paper-2:#f2ece2;--card:#ffffff;--line:#e5ddd0;
  --text:#22262e;--muted:#6b6f78;--ok:#2f7a4f;--err:#b3261e;
  --radius:14px;--shadow:0 10px 30px -12px rgba(31,42,68,.25),0 2px 6px rgba(31,42,68,.06);
  --serif:Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--paper);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--accent)}
h1,h2,h3{font-family:var(--serif);color:var(--ink);line-height:1.2;margin:0 0 .5em}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.small{font-size:.85rem}
.center{text-align:center}

/* topbar */
.topbar{position:sticky;top:0;z-index:10;background:rgba(250,247,242,.88);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar__in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px}
.brand__mark{width:40px;height:40px;border-radius:10px;background:var(--ink);color:#fff;display:grid;place-items:center;font:700 22px var(--serif);box-shadow:inset 0 -4px 0 var(--accent)}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__text b{font:700 1.2rem var(--serif);color:var(--ink)}
.brand__text small{color:var(--muted);font-size:.75rem}
.nav{display:flex;align-items:center;gap:22px;font-weight:500;font-size:.95rem}

/* buttons */
.btn{appearance:none;border:1px solid var(--line);background:var(--card);color:var(--ink);font:500 .9rem var(--sans);padding:9px 14px;border-radius:10px;cursor:pointer;transition:.15s;display:inline-flex;align-items:center;justify-content:center;gap:6px}
.btn:hover{border-color:var(--ink-2);transform:translateY(-1px)}
.btn:active{transform:none}
.btn--primary{background:linear-gradient(135deg,var(--ink),var(--ink-2));color:#fff;border-color:transparent}
.btn--primary:hover{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff}
.btn--ghost{background:transparent}
.btn:disabled{opacity:.6;cursor:wait;transform:none}

/* hero */
.hero{background:radial-gradient(1000px 400px at 85% -10%,rgba(180,71,44,.12),transparent 60%),linear-gradient(135deg,#fdfbf7,var(--paper-2));padding:64px 0 72px;border-bottom:1px solid var(--line)}
.hero__grid{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2rem,4vw,3rem);letter-spacing:-.01em}
.hero h1 em{color:var(--accent);font-style:italic}
.lead{font-size:1.1rem;color:var(--ink-2);max-width:560px}
.pill{display:inline-block;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:rgba(180,71,44,.08);border:1px solid rgba(180,71,44,.2);padding:5px 11px;border-radius:999px;margin-bottom:18px}
.hero__stats{display:flex;gap:32px;margin-top:28px;flex-wrap:wrap}
.hero__stats b{display:block;font:700 1.6rem var(--serif);color:var(--ink)}
.hero__stats span{font-size:.85rem;color:var(--muted)}

/* card */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}

/* login */
.login{padding:30px;position:relative;overflow:hidden}
.login::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,#00a3e0 0 25%,#e6007e 25% 50%,#ffe500 50% 75%,#1d1d1b 75%)}
.login h2{font-size:1.5rem}
.login form{display:grid;gap:14px;margin-top:18px}
label{display:grid;gap:6px;font-size:.88rem;font-weight:600;color:var(--ink-2)}
input,textarea{width:100%;font:400 1rem var(--sans);color:var(--text);background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px 13px;outline:none;transition:.15s}
input:focus,textarea:focus{border-color:var(--ink-2);box-shadow:0 0 0 3px rgba(52,64,94,.12)}
input.invalid{border-color:var(--err);box-shadow:0 0 0 3px rgba(179,38,30,.1)}
.msg{font-size:.88rem;min-height:1.2em;color:var(--err)}
.msg.ok{color:var(--ok)}
.login .btn--primary{padding:12px;font-size:1rem}
.hint{font-size:.82rem;color:var(--muted);margin:0}
.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* sections */
.section{padding:72px 0}
.section--alt{background:var(--paper-2);border-block:1px solid var(--line)}
.section__title{text-align:center;font-size:2rem}
.grid{display:grid;gap:20px;margin-top:32px}
.grid--4{grid-template-columns:repeat(4,1fr)}
.svc h3{font-size:1.1rem}
.svc p{margin:0;color:var(--muted);font-size:.93rem}
.svc__ico{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:10px;background:rgba(31,42,68,.06);color:var(--accent);font-size:1.3rem;margin-bottom:14px}

/* tool */
.tool{max-width:880px;margin:28px auto 0;display:grid;gap:14px}
.tool__label{font-size:.88rem}
textarea{resize:vertical;min-height:140px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.95rem}
.counters{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.counters div{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:10px;text-align:center}
.counters b{display:block;font:700 1.35rem var(--serif);color:var(--ink)}
.counters span{font-size:.78rem;color:var(--muted)}
.actions{display:flex;flex-wrap:wrap;gap:8px}
.actions--end{justify-content:flex-end;align-items:center}
.actions--end .muted{margin-right:auto}

/* footer */
.footer{background:var(--ink);color:#c9cfdc;padding:48px 0 24px;font-size:.92rem}
.footer b{color:#fff;font-family:var(--serif)}
.footer a{color:#e8ebf2}
.footer a:hover{color:var(--accent-2)}
.footer__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:28px;padding-top:18px;font-size:.82rem;color:#8e97ab}

@media (max-width:900px){
  .hero__grid{grid-template-columns:1fr}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .nav a:not(.btn){display:none}
}
@media (max-width:560px){
  .grid--4,.footer__grid{grid-template-columns:1fr}
  .counters{grid-template-columns:repeat(2,1fr)}
  .hero{padding:40px 0 48px}
  .wrap{padding:0 16px}
  .actions .btn{flex:1 1 calc(50% - 8px)}
}