@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(/assets/inter-regular-BMa5IoM-.ttf) format("truetype")}@font-face{font-family:Inter;font-style:normal;font-weight:500;font-display:swap;src:url(/assets/inter-medium-DvphOyYU.ttf) format("truetype")}@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(/assets/inter-semibold-BEUPqj-s.ttf) format("truetype")}@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(/assets/inter-bold-DJlYPwri.ttf) format("truetype")}:root{--navy: #1E3A5F;--navy-light: #2D5A8E;--navy-dark: #0F1F33;--teal: #00D4AA;--teal-light: #66F0D4;--teal-dark: #00A884;--bg: #F5F7FA;--white: #FFFFFF;--charcoal: #1A1A2E;--gray-100: #F0F2F5;--gray-300: #D0D5DD;--gray-500: #6B7280;--amber: #F59E0B;--coral: #E8634A;--shadow-sm: 0 1px 3px rgba(30,58,95,.08);--shadow: 0 4px 16px rgba(30,58,95,.1);--shadow-lg: 0 8px 32px rgba(30,58,95,.14);--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--radius-full: 50px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "Consolas", monospace;--transition: all .25s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{background:transparent;scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{font-family:var(--font-sans);background:transparent;color:var(--charcoal);min-height:100vh;line-height:1.6}img{max-width:100%;display:block}a{color:var(--teal-dark);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:520px;margin:0 auto;padding:0 16px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}@keyframes fadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes pulseGlow{0%,to{box-shadow:0 0 #00d4aa66}50%{box-shadow:0 0 0 8px #00d4aa00}}@keyframes countUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes floatDisk{0%{transform:translateY(105vh) rotate(0);opacity:0}8%{opacity:.06}92%{opacity:.06}to{transform:translateY(-10vh) rotate(360deg);opacity:0}}.btn-primary{width:100%;padding:14px 20px;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);color:var(--white);border:none;border-radius:var(--radius-sm);font-size:1.05rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:var(--transition);letter-spacing:.01em}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 20px #1e3a5f4d}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.btn-secondary{width:100%;padding:14px 20px;background:var(--white);color:var(--navy);border:2px solid var(--navy);border-radius:var(--radius-sm);font-size:1.05rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:var(--transition)}.btn-secondary:hover{background:var(--navy);color:var(--white);transform:translateY(-1px)}.input-field{width:100%;padding:12px 14px;border:2px solid var(--gray-300);border-radius:var(--radius-sm);font-size:1rem;font-family:var(--font-sans);color:var(--charcoal);background:var(--white);transition:var(--transition);outline:none}.input-field:focus{border-color:var(--teal);box-shadow:0 0 0 3px #00d4aa26}.input-mono{font-family:var(--font-mono);font-size:.95rem;letter-spacing:.02em}.card{background:var(--white);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:var(--transition)}.btn-share{padding:8px 16px;border:2px solid var(--gray-300);border-radius:var(--radius-full);background:var(--white);color:var(--navy);font-size:.85rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:6px}.btn-share:hover{background:var(--navy);color:var(--white);border-color:var(--navy)}.btn-share.copy-success{background:var(--teal-dark);border-color:var(--teal-dark);color:var(--white)}*:focus-visible{outline:3px solid var(--teal);outline-offset:2px}.disks-bg{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:-1;overflow:hidden}.disks-bg span{position:absolute;bottom:-5vh;animation:floatDisk 24s infinite linear;will-change:transform;-webkit-user-select:none;user-select:none}.disks-bg span:nth-child(1){left:8%;animation-delay:0s;font-size:2rem}.disks-bg span:nth-child(2){left:25%;animation-delay:-4s;font-size:1.3rem}.disks-bg span:nth-child(3){left:42%;animation-delay:-8s;font-size:2.4rem}.disks-bg span:nth-child(4){left:58%;animation-delay:-12s;font-size:1.1rem}.disks-bg span:nth-child(5){left:72%;animation-delay:-16s;font-size:1.8rem}.disks-bg span:nth-child(6){left:88%;animation-delay:-20s;font-size:1.5rem}.disks-bg span:nth-child(7){left:15%;animation-delay:-6s;font-size:1.6rem}.disks-bg span:nth-child(8){left:50%;animation-delay:-14s;font-size:1.9rem}.header{background:var(--white);border-bottom:1px solid var(--gray-100);padding:0 16px}.header-inner{max-width:900px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:12px 0;flex-wrap:wrap;gap:8px}.header-brand{font-family:var(--font-mono);font-size:1.25rem;font-weight:700;color:var(--navy);letter-spacing:-.02em}.header-brand span{color:var(--teal)}.header-nav{display:flex;gap:4px;flex-wrap:wrap}.nav-link{padding:6px 12px;border-radius:var(--radius-full);font-size:.85rem;font-weight:500;color:var(--gray-500);transition:var(--transition);text-decoration:none;white-space:nowrap}.nav-link:hover{background:var(--gray-100);color:var(--charcoal);text-decoration:none}.nav-link.active{background:var(--navy);color:var(--white)}.nav-link.active:hover{background:var(--navy-light);color:var(--white)}.lang-switcher{display:flex;gap:2px}.lang-btn{padding:4px 10px;border:1px solid var(--gray-300);border-radius:var(--radius-sm);background:var(--white);color:var(--gray-500);font-size:.8rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:var(--transition)}.lang-btn.active{background:var(--navy);color:var(--white);border-color:var(--navy)}.lang-btn:hover:not(.active){background:var(--gray-100)}.hero{text-align:center;padding:48px 16px 32px;background:linear-gradient(180deg,#00d4aa0f,#1e3a5f0a)}.hero-title{font-size:1.75rem;font-weight:700;color:var(--navy);margin-bottom:8px;letter-spacing:-.01em}.hero-sub{font-size:1.05rem;color:var(--gray-500);font-weight:400;max-width:440px;margin:0 auto}.calc-card{max-width:520px;margin:0 auto;padding:0 16px 32px}.calc-card .card{margin-top:-16px}.card-heading{font-size:1.1rem;font-weight:600;color:var(--navy);margin-bottom:16px}.result{display:none;animation:fadeUp .4s ease;margin-top:24px;padding-top:24px;border-top:1px solid var(--gray-100)}.result.visible{display:block}.result-mono{font-family:var(--font-mono);font-size:.95rem;background:var(--gray-100);padding:10px 14px;border-radius:var(--radius-sm);color:var(--charcoal);word-break:break-all}.result-value{font-family:var(--font-mono);font-size:2rem;font-weight:600;color:var(--teal-dark);text-align:center;padding:12px 0}.result-label{font-size:.85rem;color:var(--gray-500);text-transform:uppercase;letter-spacing:.05em;text-align:center}.result-share{display:flex;gap:8px;margin-top:16px}.result-share .btn-share{flex:1;justify-content:center}.info-table{width:100%;border-collapse:collapse;margin-top:12px;font-size:.9rem}.info-table th,.info-table td{padding:8px 12px;text-align:left;border-bottom:1px solid var(--gray-100)}.info-table th{font-weight:600;color:var(--gray-500);font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}.info-table td{font-family:var(--font-mono);font-size:.85rem}.cta-bridge{display:none;background:linear-gradient(135deg,#00d4aa14,#1e3a5f0f);border:1px solid rgba(0,212,170,.25);border-radius:var(--radius);padding:20px;margin-top:20px;text-align:center}.cta-bridge.visible{display:block;animation:fadeUp .5s ease}.cta-bridge p{font-weight:600;color:var(--navy);margin-bottom:12px}.btn-cta{width:100%;padding:12px;background:linear-gradient(135deg,var(--teal) 0%,var(--teal-dark) 100%);color:var(--white);border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:var(--transition)}.btn-cta:hover{transform:translateY(-1px);box-shadow:0 4px 20px #00d4aa4d}.input-group{margin-bottom:14px}.input-group label{display:block;font-size:.9rem;font-weight:600;color:var(--navy);margin-bottom:5px}.select-field{width:100%;padding:12px 36px 12px 14px;border:2px solid var(--gray-300);border-radius:var(--radius-sm);font-size:1rem;font-family:var(--font-sans);color:var(--charcoal);background:var(--white);transition:var(--transition);outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;cursor:pointer}.select-field:focus{border-color:var(--teal);box-shadow:0 0 0 3px #00d4aa26}.footer{text-align:center;padding:24px 16px 32px;font-size:.85rem;color:var(--gray-500);border-top:1px solid var(--gray-100);margin-top:32px}.footer a{color:var(--navy-light)}.content-info{max-width:520px;margin:0 auto;padding:32px 16px}.content-info-inner{background:var(--white);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}.content-info-inner h2{font-size:1.1rem;color:var(--navy);margin-bottom:12px}.content-info-inner p{font-size:.9rem;color:var(--gray-500);margin-bottom:10px;line-height:1.7}.content-info-inner h3{font-size:.95rem;color:var(--navy);margin:16px 0 6px}.content-info-inner ul{margin:0 0 12px 18px;font-size:.9rem;color:var(--gray-500);line-height:1.7}.content-info-inner ul li{margin-bottom:4px}.content-info-cta{font-weight:600;color:var(--navy-light)!important;margin-top:4px}.content-info-cta a{color:var(--teal-dark);font-weight:700}.tool-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:8px}.tool-card{display:flex;align-items:center;gap:12px;padding:16px;background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius-sm);text-decoration:none;transition:var(--transition)}.tool-card:hover{border-color:var(--teal);box-shadow:var(--shadow);text-decoration:none;transform:translateY(-1px)}.tool-card-icon{font-size:1.5rem;width:40px;text-align:center;flex-shrink:0}.tool-card-body h3{font-size:.95rem;font-weight:600;color:var(--navy)}.tool-card-body p{font-size:.8rem;color:var(--gray-500)}.strength-strong{color:#059669;font-weight:600}.strength-good{color:#2563eb;font-weight:600}.strength-medium{color:#d97706;font-weight:600}.strength-weak{color:#dc2626;font-weight:600}.mode-tabs{display:flex;border-radius:var(--radius-sm);overflow:hidden;border:2px solid var(--gray-300);margin-bottom:16px}.mode-tab{flex:1;padding:10px 12px;text-align:center;font-size:.88rem;font-weight:600;font-family:var(--font-sans);background:var(--white);color:var(--gray-500);border:none;cursor:pointer;transition:var(--transition)}.mode-tab:first-child{border-right:1px solid var(--gray-300)}.mode-tab.active{background:var(--navy);color:var(--white)}.mode-tab:hover:not(.active){background:var(--gray-100)}.subnet-bar-wrap{margin:20px 0 8px}.subnet-bar-labels{display:flex;justify-content:space-between;margin-bottom:6px;font-size:.75rem;color:var(--gray-500)}.subnet-bar{display:flex;height:40px;border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow-sm)}.subnet-bar-seg{display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;color:#fff;transition:width .4s ease;min-width:0;overflow:hidden}.subnet-bar-seg.network{background:var(--navy)}.subnet-bar-seg.hosts{background:var(--teal-dark)}.subnet-bar-seg.broadcast{background:var(--amber)}.subnet-bar-legend{display:flex;gap:16px;margin-top:8px;font-size:.78rem;color:var(--gray-500)}.subnet-bar-legend span{display:flex;align-items:center;gap:5px}.legend-dot{width:10px;height:10px;border-radius:3px;display:inline-block}.legend-dot.net{background:var(--navy)}.legend-dot.host{background:var(--teal-dark)}.legend-dot.bcast{background:var(--amber)}.legend-dot.p2{background:var(--coral)}.raid-disk-grid{display:flex;gap:8px;justify-content:center;margin:20px 0 8px;flex-wrap:wrap}.raid-disk{width:56px;height:100px;border-radius:6px;overflow:hidden;border:2px solid var(--gray-300);background:var(--gray-100);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease;cursor:default;position:relative}.raid-disk:hover{transform:translateY(-3px);box-shadow:0 6px 16px #1e3a5f2e}.raid-disk-fill{transition:height .5s ease}.raid-disk-fill.data{background:var(--teal-dark)}.raid-disk-fill.overhead{background:var(--amber)}.raid-disk-fill.overhead2{background:var(--coral)}.raid-disk-num{font-size:.65rem;font-weight:600;color:var(--gray-500);text-align:center;padding:3px 0 2px;background:var(--white);border-top:1px solid var(--gray-100)}.raid-disk-data-pct{font-size:.6rem;color:var(--teal-dark);font-weight:700;text-align:center;position:absolute;top:4px;left:0;right:0;pointer-events:none;opacity:.85}.raid-disk-overhead-pct{font-size:.6rem;color:#ffffffe6;font-weight:700;text-align:center;position:absolute;bottom:18px;left:0;right:0;pointer-events:none}.raid-summary-bar{height:24px;border-radius:var(--radius-sm);overflow:hidden;display:flex;margin:8px 0;box-shadow:var(--shadow-sm)}.raid-summary-data{background:var(--teal-dark);transition:width .5s ease;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.7rem;font-weight:700;min-width:0}.raid-summary-overhead{background:var(--amber);transition:width .5s ease;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.7rem;font-weight:700;min-width:0}.raid-summary-overhead2{background:var(--coral);transition:width .5s ease;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.7rem;font-weight:700;min-width:0}.raid-summary-label{display:flex;justify-content:space-between;font-size:.75rem;color:var(--gray-500)}.raid-legend{display:flex;gap:16px;justify-content:center;margin-top:6px;font-size:.78rem;color:var(--gray-500)}.raid-legend span{display:flex;align-items:center;gap:5px}.legal-page{max-width:600px;margin:0 auto;padding:40px 16px}.legal-page h1{font-size:1.5rem;color:var(--navy);margin-bottom:24px}.legal-page h2{font-size:1.15rem;color:var(--navy);margin:24px 0 8px}.legal-page p{font-size:.95rem;color:var(--charcoal);margin-bottom:10px;line-height:1.7}