:root{--bg:#f7f7fb;--card:#fff;--text:#141722;--muted:#667085;--line:#e8eaf1;--primary:#6d5dfc;--primary2:#00c2a8;--shadow:0 24px 70px rgba(20,23,34,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Tahoma,Arial,sans-serif;background:radial-gradient(circle at top right,#ecebff,transparent 35%),var(--bg);color:var(--text);line-height:1.8}.dark{--bg:#0b1020;--card:#11182b;--text:#f8fafc;--muted:#a7b0c3;--line:#26324d;--shadow:0 24px 80px rgba(0,0,0,.35)}a{text-decoration:none;color:inherit}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:16px 7vw;background:rgba(255,255,255,.74);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.dark .topbar{background:rgba(11,16,32,.78)}.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;font-weight:900}.brand small{display:block;color:var(--muted);line-height:1}.nav{display:flex;gap:22px;color:var(--muted);font-size:14px}.ghost,.btn{border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:16px;padding:11px 18px;cursor:pointer;box-shadow:0 8px 20px rgba(0,0,0,.04)}.primary{border:none;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff}.section{padding:70px 7vw}.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;min-height:620px}.badge{display:inline-block;background:#eeeaff;color:#5848e8;border:1px solid #dad5ff;border-radius:999px;padding:6px 14px;font-size:13px}.hero h1{font-size:clamp(34px,6vw,64px);line-height:1.22;margin:18px 0}.hero p{max-width:680px;color:var(--muted);font-size:18px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.glass{background:linear-gradient(180deg,rgba(255,255,255,.8),rgba(255,255,255,.45));border:1px solid rgba(255,255,255,.75);box-shadow:var(--shadow);border-radius:34px;padding:28px}.dark .glass{background:linear-gradient(180deg,rgba(17,24,43,.92),rgba(17,24,43,.55));border-color:var(--line)}.today{min-height:250px;border-radius:28px;background:linear-gradient(135deg,#111827,#283454);color:#fff;padding:30px;display:flex;flex-direction:column;justify-content:center;text-align:center}.today strong{font-size:30px}.today small{font-size:38px;font-weight:900;letter-spacing:2px}.quick-search input,input,select{width:100%;padding:14px 16px;border-radius:16px;border:1px solid var(--line);background:var(--card);color:var(--text);outline:none;margin-top:14px}.section-title{text-align:center;margin-bottom:28px}.section-title span{color:var(--primary);font-weight:700}.section-title h2{font-size:34px;margin:8px 0}.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.tool-card{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:25px;box-shadow:var(--shadow);transition:.2s}.tool-card:hover{transform:translateY(-6px)}.tool-card span{font-size:36px}.tool-card h3{margin:10px 0 4px}.tool-card p,.panel p{color:var(--muted);margin:0}.calc-section{display:grid;grid-template-columns:1fr .8fr;gap:22px;align-items:stretch}.panel,.result-card{background:var(--card);border:1px solid var(--line);border-radius:30px;padding:28px;box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:22px 0}.result-card{display:flex;align-items:center;justify-content:center;text-align:center;font-size:22px;font-weight:800;color:var(--primary)}.alt{background:linear-gradient(90deg,rgba(109,93,252,.08),rgba(0,194,168,.08))}.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:22px}.mini-tool label{display:block;margin:12px 0}.mini-result{margin-top:16px;border:1px dashed var(--line);border-radius:18px;padding:16px;font-size:20px;font-weight:800;color:var(--primary)}.faq h2{text-align:center}.faq-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.faq-grid div{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:22px}.footer{padding:28px 7vw;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--muted)}@media(max-width:900px){.nav{display:none}.hero,.calc-section,.two-cols{grid-template-columns:1fr}.tool-grid,.faq-grid{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.section{padding:48px 5vw}.footer{display:block;text-align:center}}@media(max-width:560px){.tool-grid,.faq-grid{grid-template-columns:1fr}.topbar{padding:12px 4vw}.hero{min-height:auto}.today small{font-size:30px}}