:root{
  --bg:#07111f;--bg2:#0b1b32;--card:#ffffff;--ink:#0f172a;--muted:#5b6b83;--line:#d9e5f5;
  --blue:#2f6bff;--cyan:#22d3ee;--purple:#8b5cf6;--green:#22c55e;--soft:#f4f8ff;
  --shadow:0 24px 70px rgba(15,23,42,.14);--radius:28px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:linear-gradient(180deg,#07111f 0,#0b1424 260px,#f5f8ff 261px);color:var(--ink);line-height:1.6}a{color:inherit}.wrap{max-width:1180px;margin:auto;padding:0 20px}.site-shell{overflow:hidden}.topbar{position:sticky;top:0;z-index:50;background:rgba(7,17,31,.78);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.10)}.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 20px}.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-weight:900;letter-spacing:-.02em}.brand span{display:grid;place-items:center;width:42px;height:42px;border-radius:15px;background:linear-gradient(135deg,var(--cyan),var(--blue),var(--purple));box-shadow:0 12px 35px rgba(47,107,255,.45)}nav{display:flex;gap:8px;flex-wrap:wrap}nav a{color:#dbeafe;text-decoration:none;font-weight:800;padding:9px 12px;border-radius:999px}nav a:hover{background:rgba(255,255,255,.10);color:#fff}.hero{position:relative;padding:82px 0 58px;background:radial-gradient(circle at top left,rgba(34,211,238,.27),transparent 30%),radial-gradient(circle at 80% 18%,rgba(139,92,246,.30),transparent 31%),linear-gradient(135deg,#07111f,#0d2242 52%,#102042)}.hero:after{content:"";position:absolute;inset:auto -10% -1px;top:72%;background:linear-gradient(180deg,transparent,#f5f8ff 85%);pointer-events:none}.premium-hero .wrap{position:relative;z-index:2}.orb{position:absolute;border-radius:999px;filter:blur(6px);opacity:.75;animation:float 7s ease-in-out infinite}.orb-one{width:190px;height:190px;right:10%;top:90px;background:radial-gradient(circle,var(--cyan),transparent 65%)}.orb-two{width:260px;height:260px;left:-80px;bottom:10px;background:radial-gradient(circle,var(--purple),transparent 65%);animation-delay:-2s}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}.badge,.eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.20);background:rgba(255,255,255,.10);color:#dff8ff;padding:8px 14px;border-radius:999px;font-size:14px;font-weight:900;letter-spacing:.01em}.eyebrow{background:#eaf3ff;color:#1d4ed8;border-color:#cfe1ff}.hero h1{margin:18px 0 18px;color:#fff;font-size:clamp(42px,6vw,78px);line-height:.96;letter-spacing:-.065em}.hero p{font-size:21px;max-width:700px;color:#c9d8ee;margin:0 0 24px}.hero-search-wrap{position:relative;max-width:660px}.searchbox{width:100%;padding:18px 56px 18px 19px;border-radius:20px;border:1px solid rgba(255,255,255,.24);font-size:17px;outline:none;background:rgba(255,255,255,.94);box-shadow:0 20px 70px rgba(0,0,0,.22)}.searchbox:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,238,.18),0 20px 70px rgba(0,0,0,.22)}.search-icon{position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:28px;color:#2563eb}.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#fff;text-decoration:none;padding:14px 19px;border-radius:16px;font-weight:950;border:0;cursor:pointer;box-shadow:0 16px 35px rgba(37,99,235,.28);transition:.2s transform,.2s box-shadow}.btn:hover{transform:translateY(-2px);box-shadow:0 20px 45px rgba(37,99,235,.36)}.btn.light{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);box-shadow:none;color:#fff}.btn.ghost{background:#fff;color:#1d4ed8;border:1px solid #cfe1ff;box-shadow:none}.trust-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.trust-row span{color:#dbeafe;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);padding:9px 12px;border-radius:999px;font-weight:800}.hero-card{border-radius:32px;padding:26px;background:linear-gradient(180deg,rgba(255,255,255,.17),rgba(255,255,255,.07));border:1px solid rgba(255,255,255,.22);box-shadow:0 30px 90px rgba(0,0,0,.32);backdrop-filter:blur(18px);color:#fff}.mini-top{display:flex;gap:7px;margin-bottom:18px}.mini-top span{width:11px;height:11px;border-radius:99px;background:#f87171}.mini-top span:nth-child(2){background:#facc15}.mini-top span:nth-child(3){background:#4ade80}.dashboard-card h2{font-size:26px;margin:0 0 16px}.dash-item{display:grid;grid-template-columns:1fr auto;gap:2px 14px;color:#fff;text-decoration:none;padding:15px;border-radius:18px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.10);margin-top:10px;transition:.2s}.dash-item strong{font-size:17px}.dash-item span{grid-column:1;color:#c9d8ee;font-size:14px}.dash-item em{grid-row:1/3;grid-column:2;align-self:center;font-style:normal}.dash-item:hover{background:rgba(255,255,255,.16);transform:translateX(4px)}.stat-strip{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}.stat-strip div{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.13);border-radius:18px;padding:16px}.stat-strip b{display:block;font-size:30px;line-height:1}.stat-strip small{color:#c9d8ee;font-weight:800}.section{padding:64px 0}.section h2{font-size:clamp(32px,4vw,48px);line-height:1.05;letter-spacing:-.04em;margin:8px 0 10px}.section-head{max-width:760px;margin-bottom:28px}.section-head p,.section-intro{font-size:18px;color:var(--muted);margin:0}.section-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;max-width:none}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.category-grid{grid-template-columns:repeat(4,1fr)}.card{position:relative;background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 12px 35px rgba(15,23,42,.06);text-decoration:none;transition:.22s transform,.22s box-shadow,.22s border-color;overflow:hidden}.card:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at top right,rgba(47,107,255,.13),transparent 40%);opacity:0;transition:.25s}.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#bcd4ff}.card:hover:before{opacity:1}.card>*{position:relative}.card h3{margin:12px 0 8px;font-size:21px}.card p{color:var(--muted);margin:0 0 16px}.card a,.calculator-card>a{color:#1d4ed8;font-weight:950;text-decoration:none}.icon,.tool-icon{display:inline-grid;place-items:center;min-width:48px;height:48px;padding:0 10px;border-radius:16px;background:linear-gradient(135deg,#dff7ff,#e9e4ff);color:#123b80;font-weight:950;box-shadow:inset 0 0 0 1px rgba(255,255,255,.7)}.calculators-section{background:linear-gradient(180deg,#f5f8ff,#eef5ff)}.chip-row{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 22px}.chip{border:1px solid #c9dbf5;background:#fff;color:#23415f;border-radius:999px;padding:10px 14px;font-weight:900;cursor:pointer}.chip.active,.chip:hover{background:#0f172a;color:#fff;border-color:#0f172a}.tool-grid{align-items:stretch}.calculator-card{min-height:220px}.why-section{background:#0b1424;color:#fff}.feature-panel{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;background:radial-gradient(circle at top right,rgba(34,211,238,.18),transparent 38%),linear-gradient(135deg,#102241,#07111f);border:1px solid rgba(255,255,255,.12);border-radius:36px;padding:36px;box-shadow:0 30px 80px rgba(0,0,0,.26)}.feature-panel p{color:#c9d8ee;font-size:18px}.feature-list{display:grid;gap:12px}.feature-list div{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10);border-radius:20px;padding:16px}.feature-list b{color:var(--cyan)}.faq details{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px 20px;margin:12px 0;box-shadow:0 8px 25px rgba(15,23,42,.04)}.faq summary{font-weight:950;cursor:pointer}.faq p{color:var(--muted)}.footer{background:#07111f;color:#dbeafe;padding:46px 0 22px}.footer-grid{display:grid;grid-template-columns:1fr 2fr;gap:28px}.footer h3{color:#fff;margin-top:0}.footer-links{display:flex;gap:10px;flex-wrap:wrap}.footer a{color:#dbeafe;text-decoration:none;background:rgba(255,255,255,.08);padding:8px 10px;border-radius:12px}.copy{text-align:center;color:#8aa1c0;margin-top:28px}
/* Calculator page upgrade system: works with your existing calculator folders */
.calc-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:28px;align-items:start}.calc-box{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:30px;padding:26px;box-shadow:var(--shadow);position:relative;overflow:hidden}.calc-box:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at top right,rgba(34,211,238,.15),transparent 35%);pointer-events:none}.calc-box>*{position:relative}.calc-box h2{margin-top:0;font-size:28px}label{display:block;margin:14px 0 7px;font-weight:950;color:#18263a}input,select{width:100%;padding:14px 15px;border-radius:15px;border:1px solid #cbd8eb;background:#fff;color:#102033;font-size:16px;outline:none}input:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(47,107,255,.13)}button.btn{margin-top:16px}.result{margin-top:20px;border-radius:24px;padding:22px;background:linear-gradient(135deg,#082f49,#1d4ed8);color:#fff;font-size:clamp(24px,4vw,34px);font-weight:950;box-shadow:0 18px 45px rgba(37,99,235,.28);border:1px solid rgba(255,255,255,.20)}.small-result{font-size:15px;font-weight:800;color:#546781;background:#f1f7ff;border:1px solid #d7e8ff;border-radius:16px;padding:12px 14px}.note{background:#fff8e7;border:1px solid #f5d491;border-radius:18px;padding:15px;color:#7a4a05;font-weight:750}.calc-box ul{padding-left:18px}.calc-box li{margin:8px 0}@media(max-width:960px){.hero-grid,.feature-panel,.calc-layout,.footer-grid{grid-template-columns:1fr}.category-grid,.grid{grid-template-columns:repeat(2,1fr)}.hero{padding:56px 0}.section-head.split{display:block}.btn.ghost{margin-top:14px}.hero h1{letter-spacing:-.045em}.calc-layout{gap:20px}}@media(max-width:620px){body{background:#f5f8ff}.nav{align-items:flex-start;flex-direction:column}.brand strong{font-size:16px}nav a{padding:7px 9px}.hero{padding:42px 0 38px}.hero h1{font-size:42px}.hero p{font-size:18px}.category-grid,.grid{grid-template-columns:1fr}.section{padding:46px 0}.card,.calc-box{border-radius:22px;padding:20px}.feature-panel{border-radius:26px;padding:24px}.stat-strip{grid-template-columns:1fr}.footer-links a{width:100%}}