.calculator-page{background:#f7f4ef;color:#1e1a17}
.header--solid{background:rgba(23,21,19,.96);position:sticky;top:0;z-index:100}
.nav__tool{padding:.65rem 1rem;border:1px solid rgba(255,255,255,.14);border-radius:999px;background:rgba(255,255,255,.04)}
.nav__tool.is-current{background:linear-gradient(135deg,#c8aa73,#e8d8b4);color:#171513;border-color:transparent}
.calc-hero{padding:7rem 0 4rem;background:linear-gradient(180deg,#171513 0%,#1f1915 62%,#f7f4ef 62%,#f7f4ef 100%)}
.calc-hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:center}
.calc-hero__copy{color:#fff;background:linear-gradient(180deg,rgba(23,21,19,.82),rgba(31,25,21,.74));border:1px solid rgba(255,255,255,.10);border-radius:1.6rem;padding:1.6rem;backdrop-filter:blur(3px);box-shadow:0 24px 44px rgba(0,0,0,.20)}
.calc-hero__copy h1{font-size:clamp(2.4rem,4vw,4.2rem);line-height:1.05;margin:.5rem 0 1rem}
.calc-hero__copy p{font-size:1.08rem;color:rgba(255,255,255,.88);max-width:42rem}
.calc-hero__actions{display:flex;flex-wrap:wrap;gap:.85rem;margin:1.6rem 0}
.calc-highlights{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;list-style:none;padding:0;margin:1.2rem 0 0}
.calc-highlights li{padding:1rem;border:1px solid rgba(23,21,19,.08);border-radius:1rem;background:rgba(255,255,255,.96);font-size:.96rem;color:#2d2721;box-shadow:0 10px 24px rgba(0,0,0,.08)}
.calc-hero__figure{background:#fff;padding:1rem;border-radius:1.6rem;box-shadow:0 30px 50px rgba(23,21,19,.2)}
.calc-hero__figure img{width:100%;display:block;border-radius:1rem;aspect-ratio:4/5;object-fit:cover}
.calc-hero__figure figcaption{padding-top:.75rem;color:#6b645c;font-size:.92rem}
.calc-section,.calc-guide,.calc-faq{padding:4rem 0}
.calc-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:1.5rem;align-items:start}
.calc-card,.calc-info-card,.calc-doc-card,.calc-examples article,.faq-grid article{background:#fff;border:1px solid rgba(23,21,19,.08);border-radius:1.35rem;box-shadow:0 18px 40px rgba(23,21,19,.06)}
.calc-card{padding:1.5rem}
.calc-card__head{display:flex;justify-content:space-between;gap:1rem;align-items:flex-start;margin-bottom:1.25rem}
.calc-card__head span,.calc-info-card span{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:#7a6e5d;font-weight:700}
.calc-card__head h2,.calc-info-card h3{margin:.35rem 0 0;font-size:1.55rem}
.calc-form{display:grid;gap:1rem}.calc-form label{display:grid;gap:.45rem;font-weight:600;color:#2b251f}
.calc-form input{border:1px solid #d7d0c7;border-radius:.95rem;padding:1rem;font-size:1rem;background:#fff}
.field-label{margin:0 0 .6rem;font-size:.92rem;font-weight:700;color:#5a5146}
.calc-presets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem}
.calc-presets button{padding:.95rem;border-radius:1rem;border:1px solid #d7d0c7;background:#f5f1eb;font-weight:700;cursor:pointer}
.calc-presets button.is-active{background:#171513;color:#fff;border-color:#171513}
.calc-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.85rem}
.calc-results article{background:#f4efe8;border-radius:1.1rem;padding:1rem}
.calc-results span{display:block;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:#7a6e5d;margin-bottom:.4rem}
.calc-results strong{font-size:1.45rem;color:#171513}
.calc-actions{display:flex;flex-wrap:wrap;gap:.75rem}
.calc-note{margin-top:1rem;padding:1rem 1.1rem;border-left:4px solid #c8aa73;background:#fbf8f3;border-radius:1rem}
.calc-sidebar{display:grid;gap:1rem}.calc-info-card{padding:1.25rem}.calc-info-card ul{padding-left:1.15rem;margin:.95rem 0 1rem;color:#4c453d}
.calc-history{display:grid;gap:.7rem}.calc-history article{padding:.9rem 1rem;border-radius:1rem;background:#f6f2ec;border:1px solid #ebe3d8}.calc-history strong{display:block}.calc-history small{color:#70675d}
.calc-doc-grid,.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.calc-doc-card{padding:1.25rem}.calc-doc-card span{display:inline-flex;width:2.2rem;height:2.2rem;align-items:center;justify-content:center;border-radius:999px;background:#171513;color:#fff;font-weight:700;margin-bottom:.75rem}
.calc-doc-card h3{margin:.15rem 0 .55rem}.calc-doc-card p,.calc-examples p,.faq-grid p{color:#5b534b}
.calc-examples{margin-top:1rem;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.calc-examples article,.faq-grid article{padding:1.25rem}
.calc-bottom-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.4rem}
@media (max-width:980px){.calc-hero__grid,.calc-layout,.calc-doc-grid,.calc-examples,.faq-grid{grid-template-columns:1fr}.calc-highlights,.calc-results{grid-template-columns:1fr 1fr}.calc-hero{padding-top:6rem}}
@media (max-width:640px){.calc-highlights,.calc-results,.calc-presets{grid-template-columns:1fr}.calc-card,.calc-info-card,.calc-doc-card,.calc-examples article,.faq-grid article{border-radius:1rem}.calc-hero__copy h1{font-size:2.2rem}.calc-card__head{flex-direction:column}}

.calculator-page .button--ghost{color:#3f352b;border-color:#cfbea3;background:#fff}.calculator-page .button--ghost:hover{background:#f5efe7;border-color:#b89c70;color:#1f1a16}.calc-hero .button--ghost{color:#fff;border-color:rgba(255,255,255,.55);background:rgba(255,255,255,.06)}.calc-hero .button--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}.calc-hero .button--academy{background:rgba(183,154,110,.18);border-color:rgba(216,199,170,.9);color:#fff}.calc-hero .button--academy:hover{background:#c8aa73;color:#171513}.calc-actions .button{min-width:170px}.calc-card .button--primary{box-shadow:0 8px 22px rgba(200,170,115,.22)}.calc-card .button--ghost{box-shadow:none}.calc-presets button:hover{border-color:#b79a6e;background:#fff}.calc-presets button:focus-visible,.calc-form input:focus-visible,.calc-actions .button:focus-visible{outline:2px solid #b79a6e;outline-offset:2px}.calc-form input::placeholder{color:#8f8579}.calc-sidebar .calc-info-card{background:#fff}.calc-history p{color:#6a6055}.calc-info-card .text-link{color:#8a6c45;font-weight:700}.calc-info-card .text-link:hover{color:#171513}.calc-hero__actions .button{box-shadow:0 10px 25px rgba(0,0,0,.12)}
@media (max-width:980px){.calc-hero__copy{padding:1.35rem}.calc-hero{background:linear-gradient(180deg,#171513 0%,#1f1915 72%,#f7f4ef 72%,#f7f4ef 100%)}}
@media (max-width:640px){.calc-hero__copy{padding:1.15rem;border-radius:1.2rem}.calc-hero__actions .button,.calc-actions .button{width:100%}}

.calc-hero__actions{align-items:center}
.calc-hero .button--academy{background:linear-gradient(135deg,#e8d8b4,#c8aa73);border-color:transparent;color:#171513;font-weight:800}.calc-hero .button--academy:hover{background:#fff;color:#171513;border-color:#fff}.calc-hero__actions .button{white-space:nowrap}
@media (max-width:760px){.calc-hero__actions{display:grid;grid-template-columns:1fr;gap:.75rem}.calc-hero__actions .button{width:100%}}