.hero{overflow:hidden;padding:82px 0 66px;position:relative}.hero::after{background:radial-gradient(circle,var(--accent) 0 3px,transparent 4px);background-size:24px 24px;content:"";height:230px;opacity:.35;position:absolute;right:-30px;top:32px;width:330px;z-index:-1}.hero-grid{align-items:center;display:grid;gap:56px;grid-template-columns:1.15fr .85fr}.hero h1{font-size:clamp(3.1rem,8vw,6.4rem);letter-spacing:-.075em;line-height:.92;max-width:770px}.hero h1 span{color:var(--brand)}.hero-copy{color:var(--muted);font-size:1.06rem;margin:26px 0 30px;max-width:610px}.search-box{align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow);display:flex;gap:10px;max-width:620px;padding:7px}.search-box:focus-within{border-color:var(--brand)}.search-box input{background:transparent;border:0;color:var(--ink);min-width:0;outline:0;padding:10px 12px;width:100%}.search-results{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow);display:none;margin-top:10px;max-width:620px;overflow:hidden;position:absolute;width:calc(100% - 48px);z-index:10}.search-results.is-visible{display:block}.search-results a{display:block;padding:13px 16px}.search-results a:hover,.search-results a:focus{background:var(--surface-soft)}.hero-panel{background:var(--ink);border-radius:var(--radius-lg);box-shadow:var(--shadow);color:#fff;padding:30px;transform:rotate(1.5deg)}.hero-panel .panel-label{color:var(--accent);font-size:.74rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.hero-panel h2{font-size:1.65rem;letter-spacing:-.04em;line-height:1.15;margin:22px 0}.quick-result{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);border-radius:18px;padding:20px}.quick-row{display:flex;gap:10px;margin-bottom:12px}.quick-chip{background:rgba(255,255,255,.1);border-radius:10px;color:#fff;flex:1;padding:12px}.quick-chip small{color:#b8c8ca;display:block;font-size:.7rem}.quick-answer{align-items:center;background:var(--accent);border-radius:14px;color:var(--accent-dark);display:flex;font-size:1.5rem;font-weight:850;justify-content:space-between;padding:16px}.trust-strip{border-bottom:1px solid var(--line);border-top:1px solid var(--line)}.trust-grid{display:grid;grid-template-columns:repeat(3,1fr)}.trust-item{align-items:center;display:flex;gap:13px;padding:22px}.trust-item+.trust-item{border-left:1px solid var(--line)}.trust-number{color:var(--brand);font-size:1.6rem;font-weight:900}.trust-item p{color:var(--muted);font-size:.84rem}.page-hero{padding:30px 0 38px}.page-hero h1{font-size:clamp(2.4rem,6vw,4.5rem);letter-spacing:-.065em;line-height:1}.page-hero p{color:var(--muted);font-size:1.04rem;margin-top:18px;max-width:700px}.tool-layout{align-items:start;display:grid;gap:32px;grid-template-columns:minmax(0,1fr) 330px}.calculator{overflow:hidden}.calculator-header{border-bottom:1px solid var(--line);padding:24px 26px}.calculator-header h2{font-size:1.25rem}.calculator-header p{color:var(--muted);font-size:.88rem;margin-top:4px}.mode-tabs{background:var(--surface-soft);display:grid;gap:6px;grid-template-columns:repeat(4,1fr);padding:8px}.mode-tab{background:transparent;border:0;border-radius:10px;color:var(--muted);font-size:.8rem;font-weight:750;min-height:44px;padding:8px}.mode-tab[aria-selected="true"]{background:var(--surface);box-shadow:var(--shadow-sm);color:var(--ink)}.calculator-body{padding:28px}.field-grid{display:grid;gap:18px;grid-template-columns:1fr 1fr}.field label{display:block;font-size:.82rem;font-weight:800;margin-bottom:7px}.input-wrap{position:relative}.input-wrap input{background:var(--surface);border:1px solid var(--line);border-radius:12px;color:var(--ink);font-size:1.05rem;min-height:52px;padding:12px 45px 12px 14px;width:100%}.input-wrap input:focus{border-color:var(--brand);outline:3px solid color-mix(in srgb,var(--brand) 16%,transparent)}.input-suffix{color:var(--muted);pointer-events:none;position:absolute;right:14px;top:50%;transform:translateY(-50%)}.field-error{color:var(--danger);font-size:.78rem;min-height:20px;padding-top:4px}.calculator-actions{display:flex;gap:10px;margin-top:8px}.calculator-actions .button-primary{flex:1}.result-card{background:var(--ink);border-radius:18px;color:#fff;margin-top:24px;padding:24px}.result-label{color:#b7c8ca;font-size:.75rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.result-value{color:var(--accent);font-size:clamp(2rem,7vw,3.5rem);font-weight:900;letter-spacing:-.05em;line-height:1.05;margin:10px 0}.result-sentence{color:#d5e0e1;font-size:.9rem}.result-actions{display:flex;gap:8px;margin-top:20px}.result-actions .button{border-color:rgba(255,255,255,.18);color:#fff}.side-stack{display:grid;gap:18px}.side-card{padding:22px}.side-card h2{font-size:1rem;margin-bottom:13px}.side-card p,.side-card li{color:var(--muted);font-size:.86rem}.side-card ul{display:grid;gap:10px;list-style:none}.side-card li::before{color:var(--brand);content:"✓";font-weight:900;margin-right:8px}.content-wrap{max-width:830px}.prose{padding-top:70px}.prose h2{font-size:clamp(1.6rem,4vw,2.3rem);letter-spacing:-.045em;margin:45px 0 14px}.prose h2:first-child{margin-top:0}.prose h3{font-size:1.12rem;margin:25px 0 7px}.prose p,.prose li{color:var(--muted)}.prose ul,.prose ol{padding-left:22px}.formula{background:var(--surface-soft);border-left:5px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:1.08rem;font-weight:800;margin:18px 0;padding:20px}.example-grid{display:grid;gap:14px;grid-template-columns:1fr 1fr}.example{background:var(--surface-soft);border:1px solid var(--line);border-radius:var(--radius-sm);padding:19px}.example strong{display:block;margin-bottom:5px}.faq{border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{cursor:pointer;font-weight:780;list-style:none;padding-right:30px;position:relative}.faq summary::after{content:"+";position:absolute;right:4px}.faq details[open] summary::after{content:"−"}.faq details p{padding-top:10px}@media(max-width:900px){.hero-grid,.tool-layout{grid-template-columns:1fr}.hero-panel{max-width:600px;transform:none}.side-stack{grid-template-columns:1fr 1fr}.hero h1{font-size:clamp(3rem,12vw,5.8rem)}}@media(max-width:650px){.hero{padding:54px 0 46px}.hero-grid{gap:36px}.search-box .button{padding-inline:16px}.trust-grid{grid-template-columns:1fr}.trust-item+.trust-item{border-left:0;border-top:1px solid var(--line)}.mode-tabs{grid-template-columns:1fr 1fr}.field-grid,.side-stack,.example-grid{grid-template-columns:1fr}.calculator-body{padding:22px 18px}.calculator-actions{flex-wrap:wrap}.calculator-actions .button-primary{flex-basis:100%}.page-hero{padding-top:18px}}