:root{--bg: #0f1419;--panel: #1a2330;--panel-2: #212d3e;--line: #3a4a5e;--line-soft: rgba(58, 74, 94, .4);--text: #e6ecf2;--text-mute: #7a8a9a;--accent: #f4c542;--accent-2: #5a8fd6;--accent-soft: rgba(244, 197, 66, .15);--accent-border: rgba(244, 197, 66, .5);--radius: 6px;--radius-lg: 10px;--font-display: "Space Grotesk", system-ui, sans-serif;--font-ui: "IBM Plex Sans", system-ui, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);color:var(--text);font-family:var(--font-ui);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}body{min-height:100vh}button,input,select,textarea{font-family:inherit;color:inherit}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:var(--radius);border:1px solid var(--line);background:transparent;color:var(--text);font-family:var(--font-display);font-weight:500;font-size:15px;cursor:pointer;transition:background .18s ease,border-color .18s ease,color .18s ease,transform .06s ease;user-select:none}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.35;cursor:not-allowed}.btn--primary{background:var(--accent);border-color:var(--accent);color:#1a1408;font-weight:600}.btn--primary:hover:not(:disabled){background:#ffd35c;border-color:#ffd35c}.btn--secondary{background:var(--panel-2);border-color:var(--accent-border);color:var(--accent)}.btn--secondary:hover:not(:disabled){background:var(--accent-soft)}.btn--ghost{background:transparent;border-color:var(--line);color:var(--text-mute)}.btn--ghost:hover:not(:disabled){color:var(--text);border-color:var(--line)}.btn--wide{width:100%}.arrow{display:inline-block;transition:transform .18s ease}.btn:hover .arrow{transform:translate(3px)}.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:48px 24px;overflow:hidden}.hero__grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(58,74,94,.15) 1px,transparent 1px),linear-gradient(90deg,rgba(58,74,94,.15) 1px,transparent 1px);background-size:24px 24px;mask-image:radial-gradient(ellipse at center,black 0%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse at center,black 0%,transparent 80%);pointer-events:none;z-index:0}.hero__inner{position:relative;z-index:1;max-width:880px;width:100%;display:flex;flex-direction:column;align-items:center;text-align:center;gap:22px}.hero__brand{display:inline-flex;align-items:center;gap:10px;padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:#1a2330b3;font-family:var(--font-mono);font-size:13px;color:var(--text-mute);margin-bottom:6px}.brand-mark{color:var(--accent);font-size:18px;line-height:1}.brand-name{letter-spacing:.04em}.hero__title{font-family:var(--font-display);font-weight:600;font-size:clamp(34px,6vw,64px);line-height:1.05;letter-spacing:-.02em;color:var(--text)}.accent{color:var(--accent)}.hero__subtitle{font-size:clamp(15px,2vw,18px);color:var(--text-mute);max-width:560px;line-height:1.5}.hero__plan-wrap{width:100%;max-width:480px;display:flex;flex-direction:column;align-items:center;gap:8px;margin:8px 0 4px}.hero__plan{width:100%;aspect-ratio:1.15 / 1;max-height:320px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px;display:flex;align-items:center;justify-content:center}.hero__plan svg{width:100%;height:100%;display:block}.hero__plan-caption{font-family:var(--font-mono);font-size:12px;color:var(--text-mute);letter-spacing:.03em}.hero__cta{margin-top:6px;padding:16px 30px;font-size:16px}.hero__meta{display:flex;gap:10px;align-items:center;font-family:var(--font-mono);font-size:12px;color:var(--text-mute);letter-spacing:.03em}.dot{opacity:.5}.quiz{position:relative;padding:64px 24px;min-height:100vh;display:flex;align-items:center;justify-content:center}.quiz__container{width:100%;max-width:1100px;display:flex;flex-direction:column;gap:28px}.quiz__progress{display:flex;gap:8px;justify-content:center}.quiz__progress-dot{width:32px;height:4px;border-radius:2px;background:var(--line);transition:background .25s ease}.quiz__progress-dot.is-active{background:var(--accent)}.quiz__progress-dot.is-done{background:var(--accent-2)}.quiz__layout{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}.quiz__plan{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;display:flex;flex-direction:column;gap:14px;position:sticky;top:24px}.plan-stage{width:100%;aspect-ratio:1.15 / 1;display:flex;align-items:center;justify-content:center}.plan-stage svg{width:100%;height:100%;display:block}.quiz__plan-meta{display:flex;gap:20px;padding-top:12px;border-top:1px solid var(--line-soft);justify-content:center}.plan-meta-row{display:flex;align-items:baseline;gap:6px}.plan-meta-label{font-family:var(--font-mono);font-size:11px;color:var(--text-mute);text-transform:uppercase;letter-spacing:.06em}.plan-meta-value{font-family:var(--font-mono);font-size:22px;font-weight:700;color:var(--accent)}.plan-meta-unit{font-family:var(--font-mono);font-size:13px;color:var(--text-mute)}.quiz__panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;display:flex;flex-direction:column;gap:22px;min-height:420px}.step{display:flex;flex-direction:column;gap:18px;flex:1}.step__label{font-family:var(--font-mono);font-size:11px;color:var(--text-mute);letter-spacing:.08em;text-transform:uppercase}.step__title{font-family:var(--font-display);font-weight:600;font-size:24px;line-height:1.2;letter-spacing:-.01em}.choices{display:grid;gap:12px}.choices--grid-2{grid-template-columns:1fr 1fr}.choices--grid-3,.choices--finish{grid-template-columns:1fr 1fr 1fr}.choice{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:16px 12px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;transition:border-color .18s ease,background .18s ease,transform .06s ease;color:var(--text);text-align:center}.choice:hover{border-color:var(--accent-border)}.choice:active{transform:translateY(1px)}.choice.is-selected{border-color:var(--accent);background:var(--accent-soft)}.choice__big{font-family:var(--font-display);font-weight:600;font-size:22px;color:var(--text)}.choice__sub{font-family:var(--font-mono);font-size:11px;color:var(--text-mute);letter-spacing:.02em}.choice--card{padding:18px 14px;gap:8px}.finish__icon{font-size:24px;color:var(--accent);line-height:1}.finish__title{font-family:var(--font-display);font-weight:600;font-size:16px;color:var(--text)}.finish__price{font-family:var(--font-mono);font-weight:500;font-size:12px;color:var(--accent)}.finish__desc{font-size:11px;color:var(--text-mute);line-height:1.35}.slider-block{display:flex;flex-direction:column;gap:16px;padding:8px 0}.slider-value-row{display:flex;align-items:baseline;justify-content:center;gap:6px}.slider-value{font-family:var(--font-mono);font-weight:700;font-size:56px;color:var(--accent);line-height:1}.slider-unit{font-family:var(--font-mono);font-size:16px;color:var(--text-mute)}.slider{-webkit-appearance:none;appearance:none;width:100%;height:4px;background:var(--line);border-radius:2px;outline:none;cursor:pointer}.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:22px;height:22px;border-radius:50%;background:var(--accent);border:2px solid var(--bg);cursor:pointer;box-shadow:0 0 0 1px var(--accent)}.slider::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--accent);border:2px solid var(--bg);cursor:pointer;box-shadow:0 0 0 1px var(--accent)}.slider-marks{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:11px;color:var(--text-mute)}.form{display:flex;flex-direction:column;gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field__label{font-family:var(--font-mono);font-size:11px;color:var(--text-mute);letter-spacing:.06em;text-transform:uppercase}.field__input{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;font-size:16px;color:var(--text);transition:border-color .18s ease}.field__input:focus{outline:none;border-color:var(--accent)}.field__input::placeholder{color:var(--text-mute);opacity:.6}.form__note{font-family:var(--font-mono);font-size:11px;color:var(--text-mute);line-height:1.5;text-align:center;margin-top:4px}.quiz__nav{display:flex;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line-soft)}.result{position:relative;padding:80px 24px;min-height:100vh;display:flex;align-items:center;justify-content:center}.result__container{width:100%;max-width:1100px;display:flex;flex-direction:column;gap:28px;align-items:center;text-align:center}.result__label{font-family:var(--font-mono);font-size:12px;color:var(--accent);letter-spacing:.1em;text-transform:uppercase}.result__title{font-family:var(--font-display);font-weight:600;font-size:clamp(28px,4.5vw,44px);letter-spacing:-.015em}.result__layout{width:100%;display:grid;grid-template-columns:1.1fr 1fr;gap:28px;align-items:start;text-align:left}.result__plan-wrap{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px}.result__plan{width:100%;aspect-ratio:1.15 / 1}.result__plan svg{width:100%;height:100%;display:block}.result__card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;display:flex;flex-direction:column;gap:12px}.result__row{display:flex;justify-content:space-between;align-items:baseline;padding:8px 0;font-family:var(--font-mono)}.result__key{font-size:12px;color:var(--text-mute);text-transform:uppercase;letter-spacing:.06em}.result__val{font-size:16px;font-weight:500;color:var(--text)}.result__divider{height:1px;background:var(--line-soft);margin:4px 0}.result__row--total .result__key{font-size:13px;color:var(--text)}.result__val--total{font-size:28px;font-weight:700;color:var(--accent)}.result__cta{margin-top:12px;padding:16px 20px}.result__note{font-family:var(--font-mono);font-size:11px;color:var(--text-mute);text-align:center;margin-top:4px}.footer{padding:28px 24px;border-top:1px solid var(--line-soft);background:var(--bg)}.footer__inner{max-width:1100px;margin:0 auto;font-family:var(--font-mono);font-size:12px;color:var(--text-mute);text-align:center}.plan-svg .plan-room{fill:#f4c5421f;stroke:var(--line);stroke-width:1.5;stroke-linejoin:round;transition:all .5s ease}.plan-svg .plan-room--accent{fill:#5a8fd629}.plan-svg .plan-wall{stroke:var(--line);stroke-width:1.5;fill:none;stroke-linejoin:round}.plan-svg .plan-wall--dashed{stroke-dasharray:4 4}.plan-svg .plan-balcony{fill:#f4c5420f;stroke:var(--line);stroke-width:1.2;stroke-dasharray:2 3}.plan-svg .plan-label{font-family:var(--font-ui);font-size:9px;fill:var(--text-mute);text-anchor:middle;dominant-baseline:middle}.plan-svg .plan-label--bold{font-weight:600;fill:var(--text)}.plan-svg .plan-area{font-family:var(--font-mono);font-size:8px;fill:var(--accent);text-anchor:middle;dominant-baseline:middle}[data-reveal]{opacity:0;transform:translateY(20px)}@media (max-width: 768px){.hero{padding:36px 18px 48px;min-height:auto}.hero__title{font-size:clamp(28px,8vw,42px)}.hero__plan{max-height:240px}.quiz{padding:36px 16px;min-height:auto}.quiz__layout{grid-template-columns:1fr;gap:16px}.quiz__plan{position:relative;top:auto;padding:14px}.plan-stage{aspect-ratio:1.3 / 1;max-height:180px}.quiz__panel{padding:18px;min-height:auto}.step__title{font-size:20px}.choice{padding:14px 10px}.choice__big{font-size:18px}.choices--finish{grid-template-columns:1fr}.choices--grid-3{grid-template-columns:1fr 1fr 1fr}.choice--card{flex-direction:row;align-items:center;text-align:left;gap:12px;padding:14px}.choice--card .finish__icon{font-size:28px}.choice--card>div:not(.finish__icon){flex:1}.slider-value{font-size:44px}.result{padding:48px 16px;min-height:auto}.result__layout{grid-template-columns:1fr}.result__plan{aspect-ratio:1.3 / 1}.quiz__progress-dot{width:22px}.quiz__nav .btn{padding:12px 16px;font-size:14px}}@media (max-width: 420px){.choices--grid-3{grid-template-columns:1fr 1fr}.choices--grid-3>:last-child{grid-column:1 / -1}}