/* Refinements retain the original concrete, ink and orange identity. */
html { scroll-padding-top: 100px; }
body { -webkit-font-smoothing: antialiased; }
::selection { background: var(--ink); color: var(--concrete); }
.skip-link { position: fixed; top: 12px; left: 16px; z-index: 60; padding: 12px 20px; background: var(--ink); color: white; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 50; background: var(--hivis); transform: scaleX(0); transform-origin: left; pointer-events: none; }
.top { background: rgba(235,232,226,.96); }
@supports (backdrop-filter: blur(16px)) { .top { background: rgba(235,232,226,.88); backdrop-filter: blur(16px); } }
.top.scrolled { box-shadow: 0 8px 30px rgb(21 23 28 / .07); }
.nav a { position: relative; padding-block: 9px; }
.nav a::after { content: ''; position: absolute; bottom: 2px; left: 0; right: 0; height: 2px; background: var(--hivis); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.nav a:hover::after, .nav a[aria-current]::after { transform: scaleX(1); }
.menu-toggle { display: none; }
.btn, .call-top, .trade, .chips button, .callbar a { transition: transform .25s, background-color .25s, color .25s, border-color .25s; }
.btn { gap: 14px; }
.btn::after { content: '↗'; font-size: 21px; }
.btn:active, .chips button:active { transform: translateY(1px); }
.btn:disabled { cursor: wait; opacity: .65; transform: none; }
.calc { border-radius: 4px; overflow: hidden; box-shadow: 0 24px 54px rgb(21 23 28 / .17); }
.trade { position: relative; border-radius: 3px; }
.trade .go { transition: transform .25s; }
input[type=range] { cursor: pointer; touch-action: pan-y; }
input[type=range]:focus-visible { outline-offset: 5px; }
.chips button { min-height: 44px; }
.row h3 { color: var(--hivis-ink); }
form.card { border-radius: 4px; box-shadow: none; }
form.card input, form.card select { border-radius: 2px; transition: border-color .2s, box-shadow .2s; min-height: 48px; }
form.card input:focus, form.card select:focus { border-color: var(--ink); box-shadow: 0 0 0 3px rgb(255 90 31 / .15); }
form.card label:focus-within { color: var(--hivis-ink); }
.faq summary { min-height: 44px; align-items: center; }
.faq details[open] { padding-inline: 18px; background: rgb(21 23 28 / .025); border-left: 3px solid var(--hivis); }
.faq details[open] p { animation: answer-in .3s ease both; }
@keyframes answer-in { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: none; } }
footer a { text-underline-offset: 4px; overflow-wrap: anywhere; }
.reveal-ready { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal-ready.visible { opacity: 1; transform: none; }
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .btn:hover { transform: none; box-shadow: none; }
  .trade:hover { transform: translateY(-5px); box-shadow: 0 16px 28px rgb(21 23 28 / .07); }
  .trade:hover .go { transform: translateX(5px); }
}
@media (max-width: 1100px) and (min-width: 901px) { .nav { gap: 12px; font-size: 13px; } .logo { font-size: 23px; } .call-top { padding: 9px 10px; font-size: 14px; } }
@media (max-width: 900px) {
  .top .wrap { flex-wrap: wrap; }
  .menu-toggle { display: inline-flex; align-items: center; gap: 16px; min-height: 44px; padding: 8px 13px; border: 1px solid var(--ink); background: transparent; color: var(--ink); font: 600 14px var(--body); margin-left: auto; cursor: pointer; }
  .menu-toggle span { font-size: 22px; transition: transform .2s; }
  .menu-toggle[aria-expanded=true] span { transform: rotate(45deg); }
  .nav.is-open { display: grid; width: 100%; order: 4; padding-block: 8px; border-top: 1px solid var(--line); gap: 0; }
  .nav.is-open a { padding: 12px 4px; }
  .hero h1 { font-size: clamp(64px, 13vw, 116px); }
  .hero .lede { max-width: 44em; }
  .hero .wrap { gap: 40px; }
}
@media (max-width: 520px) {
  html { scroll-padding-top: 88px; }
  .hero { padding-top: 36px; }
  .hero .ctas { display: grid; }
  .hero .ctas .btn { width: 100%; }
  .hero h1 { font-size: clamp(58px, 17vw, 86px); }
  .hero .lede { font-size: 17px; }
  .field .lab { align-items: center; }
  .field .lab label { max-width: 75%; }
  .calc .in { padding: 20px 16px; }
  .calc h2 { font-size: 31px; }
  .result .big { font-size: clamp(48px, 14vw, 72px); overflow-wrap: anywhere; }
  .ad { padding: 18px 16px; overflow-wrap: anywhere; }
  .logo { font-size: 24px; gap: 7px; }
  .report { transform: none; }
  .callbar a { min-height: 48px; }
  form.card { box-shadow: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal-ready { opacity: 1; transform: none; }
}
@media (max-width: 900px) {
  html:not(.js) .menu-toggle { display: none; }
  html:not(.js) .nav { display: flex; flex-wrap: wrap; width: 100%; order: 4; }
}

/* Flat controls: no offset blocks, shadows or decorative button backplates. */
.btn, .btn:hover, .btn:active, .call-top, .menu-toggle, .chips button, .callbar a {
  box-shadow: none; filter: none; border-radius: 6px;
}
.btn:active { transform: none; }
.btn:disabled::after { content: ''; }
.btn-go:hover { background: #e84a12; border-color: #e84a12; color: var(--ink); }
form.card { border: 1px solid var(--ink); border-radius: 10px; }
#done { scroll-margin-block: 110px; }
footer { padding-top: clamp(48px, 6vw, 80px); }
footer .wrap { grid-template-columns: 1.6fr 1.1fr .85fr .9fr; gap: 40px 28px; }
.footer-brand { display: inline-block; font: 900 38px/1 var(--display); letter-spacing: -.02em; color: var(--slab); text-decoration: none; margin-bottom: 20px; }
.footer-brand span { color: var(--hivis); }
.footer-description { color: var(--dark-text); margin-top: 12px; max-width: 28ch; }
footer h3 { font: 700 13px/1.5 var(--body); letter-spacing: .08em; text-transform: uppercase; color: #f1eee8; margin-bottom: 16px; }
footer ul { gap: 4px; }
footer li a { display: inline-block; padding-block: 6px; text-decoration: none; }
footer a:hover { color: #ff946c; text-decoration: underline; }
.footer-email, .footer-audit { display: block; width: fit-content; margin-top: 18px; padding-block: 5px; }
.footer-audit { color: #ff946c; font-weight: 700; margin-top: 8px; }
.footer-social p { margin-top: 20px; color: var(--dark-text); font-size: 14px; }
footer .legal { display: flex; justify-content: space-between; align-items: center; gap: 20px; color: var(--dark-text); }
.back-top { padding: 10px 14px; border: 1px solid #55565a; border-radius: 6px; text-decoration: none; white-space: nowrap; }
@media (max-width: 1000px) { footer .wrap { grid-template-columns: 1.5fr 1fr; } }
@media (max-width: 520px) {
  footer .wrap { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
  .footer-intro, .footer-social { grid-column: 1 / -1; }
  .footer-social ul { display: flex; flex-wrap: wrap; gap: 8px 22px; }
  footer .legal { flex-direction: column; align-items: flex-start; }
}