@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap");:root{--bg-primary:#eef2fa;--bg-secondary:#e4eaf5;--bg-surface:#f5f7fc;--bg-white:#fff;--accent:#3b82f6;--accent-secondary:#6366f1;--accent-alpha-20:rgba(59,130,246,.2);--accent-alpha-12:rgba(59,130,246,.12);--accent-alpha-06:rgba(59,130,246,.06);--accent-surface:#dbeafe;--text-primary:#191f28;--text-secondary:#4e5968;--text-muted:#8b95a1;--text-disabled:#b0b8c1;--border-primary:rgba(0,27,55,.08);--border-light:rgba(0,27,55,.04);--shadow-sm:0 1px 3px rgba(0,27,55,.05);--shadow-md:0 4px 20px rgba(0,27,55,.08);--shadow-lg:0 8px 40px rgba(0,27,55,.12);--shadow-glow:0 4px 28px rgba(59,130,246,.22);--shadow-accent:0 8px 36px rgba(59,130,246,.28);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-2xl:24px;--radius-full:9999px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text-primary);line-height:1.6;letter-spacing:-.01em;min-height:100vh;background:radial-gradient(ellipse at 75% 15%,rgba(59,130,246,.13) 0,transparent 50%),radial-gradient(ellipse at 20% 60%,rgba(59,130,246,.08) 0,transparent 45%),radial-gradient(ellipse at 90% 80%,rgba(125,135,165,.07) 0,transparent 40%),radial-gradient(ellipse at 10% 20%,rgba(165,175,200,.06) 0,transparent 45%),linear-gradient(160deg,#eef2fa,#e6ebf8 25%,#edf1fb 50%,#e8ecf7 75%,#eef2fa);background-attachment:fixed}.hero-gradient{position:relative;overflow:hidden;background:radial-gradient(ellipse at 65% 30%,rgba(59,130,246,.18) 0,transparent 55%),radial-gradient(ellipse at 25% 70%,rgba(59,130,246,.1) 0,transparent 50%),radial-gradient(ellipse at 85% 60%,rgba(125,135,165,.08) 0,transparent 40%),linear-gradient(160deg,hsla(0,0%,100%,.5),rgba(59,130,246,.06) 50%,hsla(0,0%,100%,.3))}h1{font-size:2rem;font-weight:800;letter-spacing:-.03em;line-height:1.3}h1,h2{color:var(--text-primary)}h2{font-size:1.5rem;font-weight:700;letter-spacing:-.02em}h3{font-size:1.125rem;font-weight:600;color:var(--text-primary)}.text-h1{font-size:2rem;font-weight:800;letter-spacing:-.03em}.text-h2{font-size:1.5rem;font-weight:700;letter-spacing:-.02em}.text-h3{font-size:1.125rem;font-weight:600}.card{background:hsla(0,0%,100%,.75);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid hsla(0,0%,100%,.6);border-radius:var(--radius-xl);padding:24px;box-shadow:var(--shadow-sm);transition:all .25s cubic-bezier(.16,1,.3,1);position:relative;z-index:1}.card:hover{box-shadow:var(--shadow-md);background:hsla(0,0%,100%,.85);transform:translateY(-2px)}.card-accent{background:rgba(59,130,246,.08);border:1px solid rgba(59,130,246,.12);backdrop-filter:blur(20px)}.card-accent:hover{background:rgba(59,130,246,.12);box-shadow:var(--shadow-glow)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 24px;height:52px;font-size:16px;font-weight:600;border-radius:var(--radius-lg);border:none;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1);letter-spacing:-.01em;font-family:inherit}.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-glow)}.btn-primary:hover{box-shadow:var(--shadow-accent);transform:translateY(-1px);filter:brightness(1.06)}.btn-primary:active{transform:translateY(0);filter:brightness(.96)}.btn-secondary{background:var(--accent-alpha-12);color:var(--accent)}.btn-secondary:hover{background:var(--accent-alpha-20)}.btn-ghost{background:transparent;color:var(--accent)}.btn-ghost:hover{background:var(--accent-alpha-06)}.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--radius-full);font-size:13px;font-weight:600;background:var(--accent-alpha-12);color:var(--accent);border:none}.input{width:100%;padding:14px 16px;font-size:16px;font-weight:500;color:var(--text-primary);background:hsla(0,0%,100%,.7);backdrop-filter:blur(8px);border:1.5px solid rgba(0,27,55,.06);border-radius:var(--radius-lg);outline:none;transition:all .2s ease;font-family:inherit}.input::-moz-placeholder{color:var(--text-disabled)}.input::placeholder{color:var(--text-disabled)}.input:focus{background:hsla(0,0%,100%,.95);border-color:var(--accent);box-shadow:0 0 0 3px rgba(59,130,246,.12)}select{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;padding:14px 40px 14px 16px;font-size:16px;font-weight:500;color:var(--text-primary);background:hsla(0,0%,100%,.7);backdrop-filter:blur(8px);border:1.5px solid rgba(0,27,55,.06);border-radius:var(--radius-lg);outline:none;cursor:pointer;transition:all .2s ease;font-family:inherit;background-image:url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%238B95A1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}select:focus{background-color:hsla(0,0%,100%,.95);border-color:var(--accent);box-shadow:0 0 0 3px rgba(59,130,246,.12)}.result-value{font-size:2.5rem;font-weight:800;letter-spacing:-.03em;color:var(--accent)}.result-label{font-size:14px;font-weight:500;color:var(--text-muted)}.section-alt{background:hsla(0,0%,100%,.4);backdrop-filter:blur(12px)}.section-gradient{background:radial-gradient(ellipse at 50% 50%,rgba(59,130,246,.08) 0,transparent 50%),hsla(0,0%,100%,.2)}.stat-card{text-align:center;padding:24px;background:var(--accent-surface);border-radius:var(--radius-xl);border:1px solid rgba(59,130,246,.1)}.stat-value{font-size:1.75rem;font-weight:800;color:var(--accent);letter-spacing:-.02em}.stat-label{font-size:13px;color:var(--text-muted);margin-top:4px}.divider{height:1px;background:var(--border-primary);margin:24px 0}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--radius-full);font-size:12px;font-weight:600}.badge-accent{background:var(--accent-alpha-12);color:var(--accent)}.badge-success{background:#d1fae5;color:#059669}.badge-warning{background:#fef3c7;color:#d97706}.badge-error{background:#fee2e2;color:#dc2626}details{border-radius:var(--radius-lg);background:hsla(0,0%,100%,.75);backdrop-filter:blur(16px);border:1px solid hsla(0,0%,100%,.5);overflow:hidden}details summary{padding:16px 20px;font-weight:600;color:var(--text-primary);cursor:pointer;list-style:none}details summary::-webkit-details-marker{display:none}details[open] summary{border-bottom:1px solid var(--border-light);color:var(--accent)}details>:not(summary){padding:16px 20px}table{width:100%;border-collapse:separate;border-spacing:0}th{text-align:left;padding:12px 16px;font-size:13px;font-weight:600;color:var(--text-muted);background:hsla(0,0%,100%,.5);border-bottom:1px solid var(--border-light)}th:first-child{border-radius:var(--radius-md) 0 0 0}th:last-child{border-radius:0 var(--radius-md) 0 0}td{padding:12px 16px;font-size:14px;color:var(--text-secondary);border-bottom:1px solid var(--border-light)}tr:last-child td{border-bottom:none}tr:hover td{background:rgba(59,130,246,.05)}footer{color:var(--text-muted);position:relative;z-index:1}footer a{color:var(--text-secondary);text-decoration:none;transition:color .2s}.gradient-text,footer a:hover{color:var(--accent)}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.animate-fade-up{animation:fadeUp .5s cubic-bezier(.16,1,.3,1) forwards}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:rgba(0,27,55,.1);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:rgba(0,27,55,.18)}@media (min-width:768px){h1{font-size:2.5rem}h2{font-size:1.75rem}.result-value{font-size:3rem}}@media (min-width:1024px){h1{font-size:3rem}}