:root{--clr-bg: #0a0a0a;--clr-surface: #141414;--clr-surface-2: #1c1c1c;--clr-border: #2a2a2a;--clr-border-focus: #FFD600;--clr-text: #f0f0f0;--clr-text-dim: #888;--clr-accent: #FFD600;--clr-accent-hover: #ffe44d;--clr-hero-bg: #0a0a0a;--font: "Inter", system-ui, -apple-system, sans-serif;--radius: 0px;--radius-sm: 0px;--shadow-card: 4px 4px 0px 0px var(--clr-border);--shadow-focus: 4px 4px 0px 0px var(--clr-accent);--shadow-hero: 8px 8px 0px 0px var(--clr-accent);--transition: .2s cubic-bezier(0, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{font-family:var(--font);background:var(--clr-bg);color:var(--clr-text);line-height:1.6;min-height:100vh;background-image:radial-gradient(var(--clr-surface-2) 1px,transparent 0);background-size:30px 30px}.header{padding:3rem 1.5rem 2rem;background:transparent;border-bottom:2px solid var(--clr-border);position:relative}.header:before{content:"";position:absolute;top:0;left:0;width:100%;height:6px;background:var(--clr-accent)}.header__brand{margin-bottom:1rem}.header__logo{font-size:2rem;font-weight:900;letter-spacing:-1px;text-transform:uppercase;color:var(--clr-text);display:inline-block}.header__logo--accent{color:var(--clr-bg);background:var(--clr-accent);padding:0 .15em;margin-left:.1em}.header__tagline{font-size:1.75rem;font-weight:800;margin-bottom:.5rem;letter-spacing:-.5px;max-width:700px;line-height:1.25}.header__subtitle{font-size:1rem;color:var(--clr-text-dim);max-width:550px;line-height:1.5}.calculator{max-width:1280px;margin:0 auto;padding:3rem 1.5rem 5rem;display:flex;flex-direction:column;gap:3.5rem}.section-title{font-size:.9rem;font-weight:800;color:var(--clr-text-dim);text-transform:uppercase;letter-spacing:2px;margin-bottom:1.75rem;display:flex;align-items:center;gap:1rem}.section-title:after{content:"";flex:1;height:1px;background:var(--clr-border)}.inputs{display:flex;flex-direction:column;gap:1.5rem}.input-group{background:var(--clr-surface);border:2px solid var(--clr-border);padding:1.5rem;transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition)}.input-group:hover,.input-group:focus-within{border-color:var(--clr-border-focus);transform:translate(-3px,-3px);box-shadow:var(--shadow-focus)}.input-group__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem}.input-group__header label{font-weight:700;font-size:1.05rem;letter-spacing:-.2px}.input-group__value-wrap{display:flex;align-items:center;gap:0;background:transparent;border-bottom:2px solid var(--clr-text-dim)}.input-group:focus-within .input-group__value-wrap{border-bottom-color:var(--clr-accent)}.input-group__prefix,.input-group__suffix{font-size:.95rem;font-weight:800;color:var(--clr-accent)}.input-group__number{background:var(--clr-surface);border:none;color:var(--clr-text);font-family:var(--font);font-size:1.35rem;font-weight:800;width:90px;text-align:right;outline:none;-moz-appearance:textfield}.input-group__number::-webkit-inner-spin-button,.input-group__number::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.input-group__hint{display:block;margin-top:1rem;font-size:.8rem;color:var(--clr-text-dim);font-weight:500}.input-group__slider{-webkit-appearance:none;appearance:none;width:100%;height:4px;background:var(--clr-surface-2);outline:none;cursor:pointer}.input-group__slider::-webkit-slider-runnable-track{height:4px}.input-group__slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;background:var(--clr-accent);cursor:grab;margin-top:-6px;border-radius:0;transition:transform var(--transition)}.input-group__slider::-webkit-slider-thumb:hover{transform:scale(1.3) rotate(45deg)}.input-group__slider::-moz-range-thumb{width:16px;height:16px;border-radius:0;background:var(--clr-accent);cursor:grab;border:none}.input-group__slider::-moz-range-track{height:4px;background:var(--clr-surface-2)}.results{display:flex;flex-direction:column;gap:1.25rem}.result-card--hero{background:var(--clr-bg);border:3px solid var(--clr-accent);padding:2.5rem 1.5rem;text-align:left;box-shadow:var(--shadow-hero);position:relative;overflow:hidden}.result-card--hero:before{content:"///";position:absolute;top:-15px;right:-10px;font-weight:900;font-size:6rem;color:var(--clr-surface-2);z-index:0;line-height:1}.result-card--hero .result-card__label{position:relative;z-index:1;font-size:1.05rem;text-transform:uppercase;letter-spacing:3px;color:var(--clr-text);font-weight:800;display:block;margin-bottom:.5rem}.result-card--hero .result-card__value{position:relative;z-index:1;font-size:2.25rem;font-weight:900;color:var(--clr-accent);display:block;line-height:1.1;letter-spacing:-2px}.results__grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}.result-card{background:var(--clr-bg);border:2px solid var(--clr-border);padding:1.5rem;display:flex;flex-direction:column;gap:.5rem;transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition)}.result-card:not(.result-card--hero):hover{transform:translate(-3px,-3px);border-color:var(--clr-text-dim);box-shadow:var(--shadow-card)}.result-card__label{font-size:.75rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--clr-text-dim);font-weight:700}.result-card__value{font-size:1.75rem;font-weight:900;color:var(--clr-text);line-height:1;letter-spacing:-.5px}.result-card__hint{font-size:.75rem;color:var(--clr-accent);font-weight:600}.fade-in{opacity:0;transform:translateY(20px);transition:opacity .5s cubic-bezier(0,0,.2,1),transform .5s cubic-bezier(0,0,.2,1)}.fade-in.visible{opacity:1;transform:translateY(0)}.cta-section{margin-top:1rem}.cta-button{display:block;width:100%;text-align:center;background:var(--clr-accent);color:var(--clr-bg);font-family:var(--font);font-size:1.15rem;font-weight:900;letter-spacing:-.5px;text-transform:uppercase;padding:1.5rem 2rem;text-decoration:none;cursor:pointer;border:2px solid transparent;transition:all var(--transition);position:relative;overflow:hidden}.cta-button:after{content:"→";margin-left:.75rem;display:inline-block;transition:transform .2s ease}.cta-button:hover{background:var(--clr-text);color:var(--clr-bg);transform:translate(-4px,-4px);box-shadow:6px 6px 0 0 var(--clr-accent);border-color:var(--clr-text)}.cta-button:hover:after{transform:translate(4px)}.footer{text-align:center;padding:2.5rem 1.5rem;font-size:.85rem;font-weight:600;color:var(--clr-text-dim);border-top:2px solid var(--clr-border)}@media(min-width:600px){.header{padding:4rem 2rem 3rem}.header__tagline{font-size:2.25rem}}@media(min-width:768px){.header{padding:4rem 3rem 3rem}.header__tagline{font-size:2.5rem}.header__subtitle{font-size:1.15rem}.result-card--hero .result-card__value{font-size:3rem}}@media(min-width:1024px){.calculator{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(380px,1fr);gap:4rem;align-items:start;padding-top:4rem}.results{position:sticky;top:2.5rem;margin-top:0}}@media(min-width:1280px){.calculator{grid-template-columns:minmax(0,1.4fr) minmax(420px,1fr)}}