:root{--font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-display: "Space Grotesk", "Inter", system-ui, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;--accent: #22d3ee;--accent-2: #818cf8;--accent-3: #c084fc;--success: #34d399;--warning: #fbbf24;--danger: #fb7185;--radius-sm: 10px;--radius: 16px;--radius-lg: 26px;--header-h: 66px;--max-w: 1200px;--shadow-glow: 0 0 26px -6px color-mix(in srgb, var(--accent) 60%, transparent);--glow-soft: 0 10px 36px -12px color-mix(in srgb, var(--accent) 50%, transparent)}:root[data-theme=light]{color-scheme:light;--bg: #f5f7fc;--bg-grad: radial-gradient(1100px 520px at 90% -10%, rgba(34, 211, 238, .18), transparent 60%), radial-gradient(900px 480px at -5% 0%, rgba(129, 140, 248, .16), transparent 55%), radial-gradient(700px 400px at 50% 110%, rgba(244, 114, 182, .08), transparent 60%);--surface: #ffffff;--surface-2: #f0f3fa;--surface-3: #e6ebf6;--border: rgba(15, 23, 42, .09);--border-strong: rgba(15, 23, 42, .16);--text: #0d1428;--text-2: #3d4a63;--text-3: #7a87a3;--header-bg: rgba(255, 255, 255, .82);--shadow-card: 0 12px 30px -14px rgba(15, 23, 42, .14);--shadow-card-lg: 0 30px 70px -30px rgba(15, 23, 42, .22);--code-bg: #0d1428;--card-border: rgba(255,255,255,.6)}:root[data-theme=dark]{color-scheme:dark;--bg: #060a13;--bg-grad: radial-gradient(1200px 560px at 88% -12%, rgba(34, 211, 238, .17), transparent 62%), radial-gradient(1000px 520px at -6% 4%, rgba(129, 140, 248, .14), transparent 55%), radial-gradient(760px 420px at 50% 112%, rgba(244, 114, 182, .07), transparent 60%);--surface: #0d1322;--surface-2: #141b30;--surface-3: #1c2542;--border: rgba(148, 163, 184, .12);--border-strong: rgba(148, 163, 184, .24);--text: #eaf0fb;--text-2: #b9c3d8;--text-3: #8494b3;--header-bg: rgba(6, 10, 19, .8);--shadow-card: 0 14px 34px -14px rgba(0, 0, 0, .6);--shadow-card-lg: 0 32px 70px -24px rgba(0, 0, 0, .7);--code-bg: #04070f;--card-border: rgba(148, 163, 184, .12)}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-sans);background:var(--bg);background-image:var(--bg-grad);background-attachment:fixed;color:var(--text);line-height:1.65;font-size:16px;transition:background-color .35s,color .35s;overflow-x:hidden}h1,h2,h3,h4{font-family:var(--font-display);line-height:1.18;margin:0 0 .4em;letter-spacing:-.015em}h1{font-size:clamp(2rem,4.8vw,3.4rem);font-weight:700}h2{font-size:clamp(1.45rem,3vw,2.1rem)}h3{font-size:1.15rem}p{margin:0 0 1em;color:var(--text-2)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}code,.mono{font-family:var(--font-mono);font-size:.92em}strong{color:var(--text)}::selection{background:color-mix(in srgb,var(--accent) 40%,transparent)}.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 clamp(16px,3vw,24px)}.icon{flex-shrink:0;display:inline-block;vertical-align:-.15em}.grad-text{background:linear-gradient(100deg,#22d3ee,#818cf8 45%,#c084fc 90%);-webkit-background-clip:text;background-clip:text;color:transparent}.neon-glow{text-shadow:0 0 22px color-mix(in srgb,var(--accent) 55%,transparent)}.lang-switch{appearance:none;border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-family:var(--font-sans);font-weight:800;font-size:.82rem;padding:8px 10px;border-radius:11px;cursor:pointer;height:40px}.lang-switch:hover{background:var(--surface-3)}[dir=rtl] body{text-align:right}[dir=rtl] .nav{margin-left:0;margin-right:auto}[dir=rtl] .search-box .input{padding-left:14px;padding-right:44px}[dir=rtl] .search-box .search-ic{left:auto;right:15px}[dir=rtl] .input-group .input{padding-left:46px;padding-right:14px}[dir=rtl] .input-group .unit{left:13px;right:auto}[dir=rtl] .tbl th,[dir=rtl] .tbl td{text-align:right}[dir=rtl] .fav-star{right:auto;left:14px}[dir=rtl] .tool-aside{align-self:start}.site-header{position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:var(--header-bg);border-bottom:1px solid var(--border)}.header-inner{height:var(--header-h);display:flex;align-items:center;gap:16px;max-width:var(--max-w);margin:0 auto;padding:0 clamp(16px,3vw,24px)}.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.25rem;color:var(--text);font-family:var(--font-display)}.brand:hover{text-decoration:none}.brand-logo{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#22d3ee,#818cf8 60%,#c084fc);color:#04131a;box-shadow:0 6px 20px -6px color-mix(in srgb,var(--accent) 65%,transparent);transition:transform .25s}.brand:hover .brand-logo{transform:rotate(-8deg) scale(1.05)}.brand-text{letter-spacing:-.02em}.nav{display:flex;align-items:center;gap:2px;margin-left:auto}.nav a{display:inline-flex;align-items:center;gap:7px;color:var(--text-2);font-weight:600;font-size:.92rem;padding:9px 13px;border-radius:12px;transition:color .2s,background .2s}.nav a:hover{color:var(--text);background:var(--surface-2);text-decoration:none}.nav a.active{color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent)}.theme-toggle,.icon-btn{background:var(--surface-2);border:1px solid var(--border);color:var(--text);width:40px;height:40px;border-radius:12px;cursor:pointer;display:inline-grid;place-items:center;transition:transform .18s,background .2s,border-color .2s}.theme-toggle:hover,.icon-btn:hover{background:var(--surface-3);transform:translateY(-1px);border-color:var(--border-strong)}.theme-toggle .icon{transition:transform .3s}.burger{display:none}.mobile-menu{display:none;position:absolute;inset:var(--header-h) 0 auto 0;background:var(--surface);border-bottom:1px solid var(--border);padding:10px clamp(16px,3vw,24px) 16px;flex-direction:column;gap:2px;box-shadow:var(--shadow-card-lg)}.mobile-menu.open{display:flex;animation:rise .25s ease}.mobile-menu a{display:flex;align-items:center;gap:10px;padding:13px 8px;border-bottom:1px solid var(--border);color:var(--text-2);font-weight:600}.mobile-menu a:last-child{border-bottom:0}.mobile-menu a:hover{color:var(--accent);text-decoration:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;font-size:.95rem;line-height:1;padding:13px 22px;border-radius:13px;cursor:pointer;border:1px solid transparent;transition:all .18s;font-family:var(--font-sans);position:relative}.btn:active{transform:translateY(1px) scale(.99)}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-primary{background:linear-gradient(100deg,#22d3ee,#818cf8 55%,#c084fc);color:#04131a;box-shadow:0 10px 30px -10px color-mix(in srgb,var(--accent) 70%,transparent);background-size:150% 100%}.btn-primary:hover{filter:brightness(1.07);transform:translateY(-2px);box-shadow:0 16px 40px -12px color-mix(in srgb,var(--accent) 80%,transparent);background-position:100% 0}.btn-ghost{background:transparent;color:var(--text);border-color:var(--border-strong)}.btn-ghost:hover{background:var(--surface-2);border-color:var(--text-3)}.btn-outline{background:transparent;color:var(--accent);border-color:color-mix(in srgb,var(--accent) 55%,transparent);box-shadow:inset 0 0 0 1px transparent}.btn-outline:hover{background:color-mix(in srgb,var(--accent) 12%,transparent);border-color:var(--accent);box-shadow:var(--glow-soft)}.btn-sm{padding:10px 15px;font-size:.85rem;border-radius:11px}.btn-block{width:100%}.hero{position:relative;padding:clamp(56px,9vw,110px) 0 clamp(40px,6vw,64px);overflow:hidden}.hero:before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(480px 260px at 10% 10%,color-mix(in srgb,var(--accent) 24%,transparent),transparent 70%),radial-gradient(520px 300px at 92% 20%,color-mix(in srgb,var(--accent-2) 22%,transparent),transparent 70%);filter:blur(10px);animation:orb-drift 14s ease-in-out infinite alternate}.hero-inner{position:relative;max-width:900px}.hero .lead{font-size:clamp(1.02rem,2vw,1.22rem);max-width:640px;color:var(--text-2)}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;font-size:.8rem;font-weight:700;border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent);margin-bottom:20px;box-shadow:var(--glow-soft)}.hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.hero-stat{display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:14px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-card)}.hero-stat .ic{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;color:#04131a;background:linear-gradient(135deg,#22d3ee,#818cf8)}.hero-stat b{font-family:var(--font-mono);font-size:1.05rem;display:block;line-height:1.1}.hero-stat small{color:var(--text-3);font-size:.74rem;font-weight:600}.hero-visual{position:relative;margin-top:46px}.dash{position:relative;background:linear-gradient(160deg,color-mix(in srgb,var(--surface) 92%,var(--accent) 8%),var(--surface));border:1px solid var(--card-border);border-radius:var(--radius-lg);padding:clamp(18px,3vw,28px);box-shadow:var(--shadow-card-lg),0 0 60px -20px color-mix(in srgb,var(--accent) 45%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);max-width:760px;margin:0 auto;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}.dash:after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(120deg,rgba(34,211,238,.12),transparent 35%,transparent 70%,rgba(192,132,252,.12))}@media(max-width:640px){.dash{grid-template-columns:1fr}}.dash-left h3{margin:0 0 2px;font-size:1.15rem}.dash-left .vin{color:var(--text-3);font-size:.8rem;font-family:var(--font-mono)}.dash-km{display:flex;align-items:baseline;gap:8px;margin:14px 0}.dash-km b{font-family:var(--font-mono);font-size:clamp(1.7rem,4vw,2.5rem);color:var(--accent);text-shadow:0 0 18px color-mix(in srgb,var(--accent) 40%,transparent)}.dash-km span{color:var(--text-3);font-size:.85rem;font-weight:600}.dash-bars{display:flex;flex-direction:column;gap:10px}.dash-bar{display:grid;grid-template-columns:110px 1fr 46px;gap:10px;align-items:center;font-size:.82rem;font-weight:600;color:var(--text-2)}.dash-bar .track{height:8px;border-radius:99px;background:var(--surface-3);overflow:hidden}.dash-bar .fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--accent-2));box-shadow:0 0 12px color-mix(in srgb,var(--accent) 50%,transparent)}.dash-bar.ok .fill{background:linear-gradient(90deg,#34d399,#22d3ee)}.dash-bar.warn .fill{background:linear-gradient(90deg,#fbbf24,#fb7185)}.dash-bar .val{font-family:var(--font-mono);font-size:.8rem;text-align:right}.dash-right{display:flex;flex-direction:column;gap:12px}.dash-gauge{text-align:center}.dash-gauge .ring-wrap{position:relative;width:96px;height:96px;margin:0 auto}.dash-gauge svg{transform:rotate(-90deg)}.dash-gauge .ring-bg{stroke:var(--surface-3)}.dash-gauge .ring-fg{stroke:url(#ringGrad);stroke-linecap:round;filter:drop-shadow(0 0 6px color-mix(in srgb,var(--accent) 70%,transparent))}.dash-gauge .ring-center{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--font-mono);font-weight:700;font-size:1.3rem;color:var(--text)}.dash-gauge small{color:var(--text-3);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.dash-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.float-chip{position:absolute;display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border-strong);border-radius:13px;padding:10px 14px;font-size:.8rem;font-weight:700;box-shadow:var(--shadow-card-lg);z-index:2;animation:floaty 6s ease-in-out infinite}.float-chip .ic{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;color:#04131a}.float-chip small{display:block;font-weight:600;color:var(--text-3);font-size:.68rem}.float-chip b{font-family:var(--font-mono)}.fc-1{top:-18px;left:4%}.fc-2{bottom:-20px;right:6%;animation-delay:-2s}.fc-3{top:30%;right:-2%;animation-delay:-4s}@media(max-width:900px){.fc-3{display:none}}@media(max-width:560px){.fc-1{display:none}}@keyframes floaty{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes orb-drift{0%{transform:translateZ(0)}to{transform:translate3d(3%,2%,0)}}@keyframes rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes fade-up{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}.card{position:relative;background:var(--surface);border:1px solid var(--card-border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-card);transition:transform .2s,box-shadow .2s,border-color .2s}.card.hoverable:hover{transform:translateY(-5px);border-color:color-mix(in srgb,var(--accent) 50%,transparent);box-shadow:var(--shadow-card-lg),var(--glow-soft)}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media(max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr}}.cat-diagnostics{background:linear-gradient(135deg,#22d3ee,#38bdf8 45%,#0ea5e9)}.cat-electrical{background:linear-gradient(135deg,#fbbf24,#fb923c 55%,#f97316)}.cat-engine{background:linear-gradient(135deg,#818cf8,#a78bfa 50%,#c084fc)}.cat-brakes-tires{background:linear-gradient(135deg,#fb7185,#f43f5e 55%,#e11d48)}.cat-fuel{background:linear-gradient(135deg,#34d399,#2dd4bf 55%,#14b8a6)}.cat-transmission{background:linear-gradient(135deg,#60a5fa,#6366f1 55%,#4f46e5)}.cat-garage{background:linear-gradient(135deg,#c084fc,#e879f9 55%,#d946ef)}.cat-learning{background:linear-gradient(135deg,#f472b6,#fb7185 55%,#f43f5e)}.tool-card{display:flex;flex-direction:column;gap:11px;color:var(--text);position:relative;overflow:hidden}.tool-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-2),transparent);opacity:0;transition:opacity .25s;z-index:1}.tool-card:hover{text-decoration:none}.card.hoverable.tool-card:hover{transform:translateY(-7px)}.card.hoverable.tool-card:hover:before{opacity:1}.tool-card:hover .tool-icon{transform:scale(1.12) rotate(-6deg)}.tool-icon{position:relative;width:56px;height:56px;border-radius:16px;display:grid;place-items:center;color:#fff;overflow:hidden;flex-shrink:0;box-shadow:0 10px 24px -8px color-mix(in srgb,var(--accent) 65%,transparent),inset 0 1px #ffffff40;transition:transform .25s cubic-bezier(.2,.8,.3,1.2),box-shadow .25s}.tool-icon:before{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 20% 0%,rgba(255,255,255,.45),transparent 55%);border-radius:inherit}.tool-icon:after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 1px #ffffff2e}.tool-icon .icon{position:relative;filter:drop-shadow(0 2px 3px rgba(0,0,0,.25))}.fav-star{position:absolute;top:12px;right:14px;font-size:1.15rem;line-height:1;color:var(--text-3);cursor:pointer;padding:4px;border-radius:8px;transition:all .18s;background:none;border:0;z-index:2}.fav-star:hover{color:var(--warning);transform:scale(1.2)}.fav-star.on{color:var(--warning);text-shadow:0 0 10px color-mix(in srgb,var(--warning) 60%,transparent)}.tool-card h3{margin:2px 0 0;font-size:1.06rem}.tool-card p{margin:0;font-size:.87rem}.tool-card .tags{margin-top:auto;display:flex;flex-wrap:wrap;gap:6px}.section{padding:clamp(56px,8vw,104px) 0}.section-head{margin-bottom:34px;max-width:740px}body:not(.home-page) .section+.section{margin-top:clamp(32px,5vw,72px)}.section-head .kicker{font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:8px;margin-bottom:10px}.section-head .kicker:before{content:"";width:22px;height:2px;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}.field{display:flex;flex-direction:column;gap:7px;margin-bottom:14px}.field label{font-size:.84rem;font-weight:700;color:var(--text-2)}.field .hint{font-size:.76rem;color:var(--text-3)}.input,select.input,textarea.input{width:100%;padding:12px 14px;font-size:.98rem;font-family:var(--font-sans);color:var(--text);background:var(--surface-2);border:1px solid var(--border-strong);border-radius:12px;transition:border-color .18s,box-shadow .18s}.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent)}select.input{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px;background-repeat:no-repeat}.input-group{display:flex;align-items:center;position:relative}.input-group .input{padding-right:46px}.input-group .unit{position:absolute;right:13px;font-size:.8rem;color:var(--text-3);font-weight:700;pointer-events:none}input[type=range]{width:100%;accent-color:var(--accent);cursor:pointer;height:6px}.range-row{display:flex;align-items:center;gap:12px}.range-row .value{min-width:62px;text-align:right;font-family:var(--font-mono);font-weight:700;color:var(--accent)}.radio-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}.radio-card{position:relative}.radio-card input{position:absolute;opacity:0;pointer-events:none}.radio-card label{display:flex;flex-direction:column;gap:4px;padding:14px 15px;border:1.5px solid var(--border-strong);border-radius:13px;cursor:pointer;font-size:.9rem;font-weight:700;color:var(--text-2);transition:all .16s;background:var(--surface)}.radio-card label:hover{border-color:var(--accent);transform:translateY(-1px)}.radio-card input:checked+label{border-color:var(--accent);color:var(--text);background:color-mix(in srgb,var(--accent) 10%,var(--surface));box-shadow:var(--glow-soft)}.radio-card .sub{font-weight:500;font-size:.76rem;color:var(--text-3)}.result-card{border-radius:var(--radius);padding:22px;border:1px solid var(--border-strong);background:var(--surface);margin-top:20px;animation:rise .3s ease}.result-card.primary{border-color:color-mix(in srgb,var(--accent) 55%,transparent);box-shadow:var(--glow-soft)}.result-card.warn{border-color:color-mix(in srgb,var(--warning) 60%,transparent);background:color-mix(in srgb,var(--warning) 6%,var(--surface))}.result-card.danger{border-color:color-mix(in srgb,var(--danger) 60%,transparent);background:color-mix(in srgb,var(--danger) 6%,var(--surface))}.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px}.stat{background:linear-gradient(160deg,var(--surface-2),var(--surface));border:1px solid var(--border);border-radius:13px;padding:15px 17px;transition:border-color .18s,transform .18s}.stat:hover{border-color:color-mix(in srgb,var(--accent) 45%,transparent);transform:translateY(-2px)}.stat .stat-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.09em;color:var(--text-3);font-weight:800}.stat .stat-value{font-size:1.35rem;font-weight:800;font-family:var(--font-mono);color:var(--accent);margin-top:3px}.notice{display:flex;gap:12px;align-items:flex-start;padding:15px 17px;border-radius:13px;font-size:.92rem;border:1px solid var(--border-strong);background:var(--surface-2);margin:12px 0}.notice .ic{flex-shrink:0;margin-top:1px}.notice.info{border-color:color-mix(in srgb,var(--accent) 45%,transparent);background:color-mix(in srgb,var(--accent) 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