:root{
  --emerald:#059669; --emerald-dark:#047857; --emerald-light:#ecfdf5;
  --slate:#0f172a; --slate-2:#334155; --slate-3:#64748b; --line:#e2e8f0; --bg:#f6f8fb;
  --card:#ffffff; --amber:#f59e0b;
  --shadow-sm:0 1px 3px rgba(15,23,42,.06);
  --shadow-md:0 10px 30px rgba(15,23,42,.09);
  --shadow-lg:0 18px 44px rgba(5,150,105,.16);
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--slate);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--emerald-dark);text-decoration:none;transition:color .2s ease}
a:hover{text-decoration:underline}
h1,h2,h3{letter-spacing:-.02em;line-height:1.22}

/* ---------- Header ---------- */
header.top{background:linear-gradient(120deg,#0b1220 0%,#0f172a 52%,#065f46 130%);color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 2px 10px rgba(15,23,42,.16);transition:box-shadow .3s ease}
header.top.scrolled{box-shadow:0 10px 28px rgba(15,23,42,.32)}
header.top .wrap{display:flex;align-items:center;gap:18px;flex-wrap:wrap;max-width:1060px;margin:0 auto;padding:12px 18px}
.logo{font-size:20px;font-weight:800;color:#fff;display:flex;align-items:center;gap:9px}
.logo:hover{text-decoration:none}
.logo .mark{background:linear-gradient(135deg,#10b981,#047857);color:#fff;border-radius:9px;width:33px;height:33px;display:inline-flex;align-items:center;justify-content:center;font-size:17px;box-shadow:0 4px 12px rgba(16,185,129,.45)}
.logo small{display:block;font-size:11px;font-weight:500;color:#94a3b8;letter-spacing:.6px}
nav.main{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
nav.main a{color:#e2e8f0;font-size:14px;padding:7px 11px;border-radius:8px;transition:background .2s ease,color .2s ease}
nav.main a:hover,nav.main a.active{background:var(--emerald);color:#fff;text-decoration:none}
.wrap{max-width:1060px;margin:0 auto;padding:0 18px}

/* ---------- Hero ---------- */
.hero{padding:38px 0 10px;text-align:left}
.hero h1{font-size:34px;font-weight:800;position:relative;padding-bottom:12px}
.hero h1::after{content:"";position:absolute;left:0;bottom:0;width:64px;height:4px;border-radius:99px;background:linear-gradient(90deg,var(--emerald),#34d399)}
.hero p{color:var(--slate-2);max-width:640px;margin-top:10px;font-size:17px}

/* ---------- Cards & forms ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:20px 0;box-shadow:var(--shadow-sm)}
.card h2{font-size:21px;margin-bottom:10px}
.card h3{font-size:17px;margin:16px 0 6px}
label{display:block;font-size:13px;font-weight:600;color:var(--slate-2);margin:12px 0 5px}
input[type=date],input[type=number],input[type=text],select{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:10px;font-size:16px;background:#fff;color:var(--slate);transition:border-color .2s ease,box-shadow .2s ease}
input:focus,select:focus{outline:none;border-color:var(--emerald);box-shadow:0 0 0 4px rgba(5,150,105,.16)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:640px){.grid2,.grid3{grid-template-columns:1fr}.hero h1{font-size:27px}}
.btn{display:inline-block;background:linear-gradient(135deg,#10b981,var(--emerald-dark));color:#fff;font-weight:700;border:none;border-radius:10px;padding:12px 22px;font-size:16px;cursor:pointer;margin-top:16px;box-shadow:0 6px 16px rgba(5,150,105,.28);transition:transform .15s ease,box-shadow .2s ease,filter .2s ease}
.btn:hover{filter:brightness(1.05);box-shadow:0 10px 22px rgba(5,150,105,.34)}
.btn:active{transform:scale(.97)}
.btn.ghost{background:#fff;color:var(--emerald-dark);border:1px solid var(--emerald);box-shadow:none}

/* ---------- Results ---------- */
.result{background:linear-gradient(160deg,#f0fdf7,var(--emerald-light));border:1px solid #a7f3d0;border-radius:14px;padding:20px;margin-top:18px;box-shadow:inset 0 1px 0 rgba(255,255,255,.7)}
.result .big{font-size:31px;font-weight:800;color:var(--emerald-dark);line-height:1.25;animation:popIn .45s cubic-bezier(.2,.9,.3,1.2)}
.result p{color:var(--slate-2);font-size:15px;margin-top:4px;animation:fadeUp .5s ease both}
.result:empty{display:none}
@keyframes popIn{0%{opacity:0;transform:scale(.92) translateY(6px)}100%{opacity:1;transform:scale(1) translateY(0)}}
@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}100%{opacity:1;transform:translateY(0)}}
.copybtn{display:inline-flex;align-items:center;gap:6px;margin-top:14px;background:#fff;border:1px solid var(--emerald);color:var(--emerald-dark);font-weight:700;font-size:14px;border-radius:999px;padding:8px 16px;cursor:pointer;transition:background .2s ease,color .2s ease,transform .15s ease}
.copybtn:hover{background:var(--emerald);color:#fff}
.copybtn:active{transform:scale(.96)}
.summaryline{margin-top:14px;background:#fff;border:1px dashed #6ee7b7;border-radius:10px;padding:11px 14px;font-size:14.5px;color:var(--slate-2)}
.hidden{display:none !important}
table{width:100%;border-collapse:collapse;margin:12px 0;font-size:15px}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left}
th{background:#f1f5f9}
section.content{padding:6px 0 10px}
section.content p{color:var(--slate-2);margin:8px 0}
section.content ul{margin:8px 0 8px 20px;color:var(--slate-2)}
.note{font-size:13px;color:var(--slate-3);margin-top:10px}
.countbox{text-align:center}
.countbox .big{font-size:44px}

/* ---------- Hub tool cards ---------- */
.hubgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px;margin:22px 0}
.toolcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.toolcard:hover{border-color:var(--emerald);box-shadow:var(--shadow-lg);transform:translateY(-5px);text-decoration:none}
.toolcard .ico{font-size:27px;display:inline-block;transition:transform .22s ease}
.toolcard:hover .ico{transform:scale(1.15) rotate(-4deg)}
.toolcard h3{font-size:17px;margin:8px 0 4px;color:var(--slate)}
.toolcard p{font-size:14px;color:var(--slate-3)}

/* ---------- Popular-right-now mini countdowns ---------- */
.ministrip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:14px 0 4px}
@media(max-width:640px){.ministrip{grid-template-columns:1fr}}
.minicard{display:block;background:linear-gradient(150deg,#ffffff,#f0fdf7);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.minicard:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--emerald);text-decoration:none}
.minicard .mico{font-size:22px}
.minicard .mname{font-size:14px;font-weight:700;color:var(--slate-2);margin-top:2px}
.minicard .mnum{font-size:27px;font-weight:800;color:var(--emerald-dark);line-height:1.2;margin-top:2px}
.minicard .mtime{font-size:13px;color:var(--slate-3);font-variant-numeric:tabular-nums}
.minicard .mtag{display:inline-block;background:var(--emerald-light);color:var(--emerald-dark);border:1px solid #a7f3d0;font-size:10.5px;font-weight:700;border-radius:99px;padding:1px 7px;vertical-align:2px;margin-left:5px;letter-spacing:.3px}

/* ---------- Chips & radios ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.chip{border:1px solid var(--emerald);color:var(--emerald-dark);background:#fff;border-radius:999px;padding:7px 14px;font-size:14px;cursor:pointer;font-weight:600;transition:background .2s ease,color .2s ease,transform .15s ease,box-shadow .2s ease}
.chip:hover{box-shadow:0 4px 12px rgba(5,150,105,.22)}
.chip:active{transform:scale(.95)}
.chip:hover,.chip.on{background:var(--emerald);color:#fff}
.radio-row{display:flex;gap:16px;flex-wrap:wrap;margin:8px 0}
.radio-row label{display:flex;align-items:center;gap:6px;font-weight:500;margin:0;font-size:15px}
.checkline{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:15px;color:var(--slate-2)}
.checkline input{width:18px;height:18px;accent-color:var(--emerald)}

/* ---------- Days-until progress ring ---------- */
.ringflex{display:flex;align-items:center;gap:24px;justify-content:center;flex-wrap:wrap}
.ringbox{position:relative;width:128px;height:128px;flex:0 0 auto}
.ringbox svg{transform:rotate(-90deg);display:block}
.ring-bg{fill:none;stroke:#d1fae5;stroke-width:11}
.ring-fg{fill:none;stroke:var(--emerald);stroke-width:11;stroke-linecap:round;stroke-dasharray:326.7;stroke-dashoffset:326.7;transition:stroke-dashoffset 1s linear}
.ringtxt{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;pointer-events:none}
.ringtxt #ringPct{font-size:25px;font-weight:800;color:var(--emerald-dark);line-height:1.1}
.ringtxt .ringsub{font-size:10.5px;color:var(--slate-3);line-height:1.3;margin-top:2px}
.ringmain{text-align:center;min-width:200px}
@media(max-width:640px){.ringflex{flex-direction:column;gap:14px}}

/* ---------- Business-days holiday list ---------- */
.holhead{margin-top:14px}
.hollist{margin-top:6px}
.holitem{background:#fff;border:1px solid #d1fae5;border-left:4px solid var(--emerald);border-radius:8px;padding:7px 12px;margin:6px 0;font-size:14.5px;color:var(--slate-2);animation:fadeUp .45s ease both;animation-delay:var(--d,0ms)}

/* ---------- Footer ---------- */
footer.site{margin-top:44px;background:linear-gradient(160deg,#0b1220,#0f172a);color:#cbd5e1}
footer.site .wrap{padding:28px 18px}
footer.site a{color:#a7f3d0}
footer.site .cols{display:flex;gap:34px;flex-wrap:wrap}
footer.site h4{color:#fff;font-size:15px;margin-bottom:8px}
footer.site ul{list-style:none;font-size:14px}
footer.site li{margin:4px 0}
footer.site .fine{margin-top:20px;padding-top:16px;border-top:1px solid #1e293b;font-size:13px;color:#94a3b8}

/* ---------- FAQ accordion ---------- */
.faq details{border:1px solid var(--line);border-radius:12px;padding:13px 17px;margin:10px 0;background:#fff;box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease}
.faq details[open]{border-color:#a7f3d0;box-shadow:var(--shadow-md)}
.faq summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"▾";color:var(--emerald);font-size:18px;transition:transform .3s ease;flex:0 0 auto}
.faq details[open] summary::after{transform:rotate(180deg)}
.faq .accbody{overflow:hidden;transition:height .38s ease}
.faq p{color:var(--slate-2);margin-top:8px;font-size:15px}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,80px);background:var(--slate);color:#fff;font-size:14.5px;font-weight:600;padding:12px 22px;border-radius:999px;box-shadow:0 14px 34px rgba(15,23,42,.35);opacity:0;pointer-events:none;transition:transform .35s cubic-bezier(.2,.9,.3,1.15),opacity .3s ease;z-index:60;max-width:92vw;text-align:center}
.toast.show{transform:translate(-50%,0);opacity:1}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s !important;animation-iteration-count:1 !important;transition-duration:.001s !important}
  .toolcard:hover,.minicard:hover{transform:none}
}