/* Kingfisher Defense public site (v4.41). Uses the locked tokens in tokens.css. No inline styles are used anywhere (CSP). */
*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--kf-navy); color: var(--kf-text-body); font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; font-size: 1.0625rem; line-height: 1.65; }
img { max-width: 100%; height: auto; }
h1, h2, h3 { color: var(--kf-white); line-height: 1.2; margin: 0 0 .6em; font-weight: 700; text-wrap: balance; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.45rem, 3vw, 2rem); margin-top: .2em; }
h3 { font-size: clamp(1.1rem, 2vw, 1.3rem); }
p, ul, ol { margin: 0 0 1.15em; }
ul, ol { padding-left: 1.3em; }
li { margin-bottom: .35em; }
a { color: var(--kf-teal-link); text-underline-offset: .18em; }
a:hover { color: var(--kf-white); }
:focus-visible { outline: var(--kf-focus-ring); outline-offset: var(--kf-focus-ring-offset); }
.kf-skip { position: absolute; left: .75rem; top: -4rem; background: var(--kf-white); color: var(--kf-navy); padding: .6rem 1rem; z-index: 100; border-radius: 4px; }
.kf-skip:focus { top: .75rem; }
.kf-wrap { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.kf-wrap--form { max-width: 760px; }
main:focus { outline: none; }
sup a { text-decoration: none; padding: 0 .12em; }

/* header */
.kf-site-header { position: sticky; top: 0; z-index: 30; background: rgba(24, 38, 47, .97); border-bottom: 1px solid rgba(17, 139, 142, .35); backdrop-filter: blur(6px); }
.kf-site-header__inner { max-width: 1240px; margin: 0 auto; display: flex; align-items: center; gap: 1rem; padding: .6rem 1.25rem; }
.kf-logo img { display: block; height: 56px; width: auto; }
.kf-nav { margin-left: auto; }
.kf-nav__list { display: flex; align-items: center; gap: 1.1rem; list-style: none; margin: 0; padding: 0; }
.kf-nav__item { margin: 0; position: relative; }
.kf-nav__link { color: var(--kf-text-body); text-decoration: none; font-size: .95rem; padding: .5rem .2rem; cursor: pointer; display: inline-block; }
.kf-nav__link:hover { color: var(--kf-white); }
.kf-current-link { color: var(--kf-white); border-bottom: 2px solid var(--kf-teal); cursor: default; }
.kf-dd-wrap summary { list-style: none; }
.kf-dd-wrap summary::-webkit-details-marker { display: none; }
.kf-dd-wrap summary::after { content: ""; display: inline-block; margin-left: .4em; border: 4px solid transparent; border-top-color: currentColor; vertical-align: -2px; }
.kf-dd { position: absolute; top: 100%; left: -.5rem; min-width: 20rem; list-style: none; margin: .2rem 0 0; padding: .5rem; background: #101c24; border: 1px solid rgba(17, 139, 142, .5); border-radius: 8px; box-shadow: 0 12px 30px rgba(0, 0, 0, .45); }
.kf-dd__item { margin: 0; }
.kf-dd__link { display: block; padding: .6rem .75rem; border-radius: 6px; color: var(--kf-text-body); text-decoration: none; }
.kf-dd__link:hover { background: rgba(17, 139, 142, .18); color: var(--kf-white); }
.kf-dd__link strong { display: block; color: var(--kf-white); }
.kf-dd__link span { display: block; font-size: .85rem; opacity: .8; }
.kf-dd__item--star .kf-dd__link { border-left: 3px solid var(--kf-orange); }
.kf-dd__item--star .kf-dd__link strong { font-size: 1.12rem; }
.kf-menu-btn { display: none; margin-left: auto; background: transparent; border: 1px solid rgba(255, 255, 255, .35); color: var(--kf-white); border-radius: 6px; padding: .5rem .8rem; font: inherit; cursor: pointer; align-items: center; gap: .5rem; }
.kf-menu-btn__bars, .kf-menu-btn__bars::before, .kf-menu-btn__bars::after { display: block; width: 18px; height: 2px; background: currentColor; position: relative; content: ""; }
.kf-menu-btn__bars::before { position: absolute; top: -6px; }
.kf-menu-btn__bars::after { position: absolute; top: 6px; }
.kf-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, .6); z-index: 40; }
.kf-overlay[hidden] { display: none; }

/* buttons */
.kf-actions { display: flex; flex-wrap: wrap; gap: .75rem 1rem; align-items: center; margin: 1.4rem 0 1.6rem; }
.kf-btn { display: inline-block; padding: .85rem 1.5rem; border-radius: 6px; font-weight: 700; text-decoration: none; border: 2px solid transparent; font: inherit; font-weight: 700; cursor: pointer; line-height: 1.2; }
.kf-btn--primary { background: var(--kf-cta-bg); color: var(--kf-cta-text); }
.kf-btn--primary:hover { background: #ff9a3c; color: var(--kf-cta-text); }
.kf-btn--secondary { border-color: var(--kf-teal-link); color: var(--kf-white); background: transparent; }
.kf-btn--secondary:hover { background: rgba(17, 139, 142, .25); color: var(--kf-white); }
.kf-btn--tertiary { padding: .5rem .2rem; border: 0; background: none; color: var(--kf-teal-link); text-decoration: underline; font-weight: 600; }
.kf-header-cta { padding: .6rem 1.1rem; font-size: .95rem; white-space: nowrap; }

/* hero and bands */
.kf-hero { padding: 3.5rem 0 2.5rem; background: linear-gradient(180deg, #1d2f3a 0%, var(--kf-navy) 100%); border-bottom: 1px solid rgba(17, 139, 142, .25); }
.kf-hero .kf-wrap > p:not(.kf-actions) { max-width: 46rem; font-size: 1.15rem; }
.kf-band { padding: 3rem 0; border-bottom: 1px solid rgba(255, 255, 255, .06); }
.kf-band .kf-wrap > *:not(h2):not(h3):not(.kf-pair):not(.kf-figure):not(.kf-callout):not(.kf-actions):not(ul):not(ol) { max-width: 48rem; }
.kf-band ul, .kf-band ol { max-width: 48rem; }
.kf-band h2 + p { margin-top: 0; }
.kf-major { font-size: clamp(1.8rem, 4vw, 2.6rem); border-left: 6px solid var(--kf-orange); padding-left: 1rem; }
.kf-convert { background: #1d2f3a; text-align: left; }
.kf-bold { color: var(--kf-white); font-weight: 700; }
.kf-question { font-size: clamp(1.35rem, 3vw, 1.9rem); line-height: 1.3; color: var(--kf-white); border-left: 5px solid var(--kf-orange); padding-left: 1rem; max-width: 40rem; }
.kf-flow { font-size: clamp(1.15rem, 3vw, 1.6rem); color: var(--kf-white); font-weight: 700; }
.kf-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 3.2rem; align-items: stretch; margin: 1.5rem 0; }
.kf-pair__item { background: #20323d; border: 1px solid rgba(17, 139, 142, .45); border-radius: 10px; padding: 1.25rem 1.4rem; }
.kf-pair__item p { margin: 0; }
.kf-pair__item--unit { border-left: 5px solid var(--kf-orange); }
.kf-pair__item--watch { border-left: 5px solid var(--kf-teal); }
/* the arrow between the two cards is drawn here, so the page text stays exactly the approved copy */
.kf-pair__item { position: relative; }
.kf-pair__item--unit::after { content: "\2192"; position: absolute; right: -2.4rem; top: 50%; transform: translateY(-50%); font-size: 2rem; color: var(--kf-teal-link); }
.kf-figure { margin: 1.6rem 0; }
.kf-figure a { display: block; }
.kf-figure img { border-radius: 10px; border: 1px solid rgba(17, 139, 142, .45); display: block; width: 100%; max-width: 1000px; }
.kf-callout { border-left: 5px solid var(--kf-teal); background: rgba(17, 139, 142, .12); border-radius: 0 8px 8px 0; padding: 1rem 1.25rem; margin: 1.4rem 0; max-width: 48rem; }
.kf-callout p { margin: 0; }
.kf-sources { font-size: .88rem; }
.kf-sources h2 { font-size: 1.1rem; }
.kf-sources-list li { overflow-wrap: anywhere; }
:target { scroll-margin-top: 90px; }
.kf-sources-list li:target { background: rgba(17, 139, 142, .22); }

/* FAQ */
.kf-faq-item { border-top: 1px solid rgba(255, 255, 255, .12); max-width: 48rem; }
.kf-faq-item:last-child { border-bottom: 1px solid rgba(255, 255, 255, .12); }
.kf-faq-q { margin: 0; font-size: 1.1rem; }
.kf-faq-btn { all: unset; box-sizing: border-box; display: flex; justify-content: space-between; gap: 1rem; width: 100%; padding: 1rem 0; cursor: pointer; color: var(--kf-white); font-weight: 700; }
.kf-faq-btn::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--kf-teal-link); }
.kf-faq-btn[aria-expanded="true"]::after { content: "\2212"; }
.kf-faq-btn:focus-visible { outline: var(--kf-focus-ring); outline-offset: 3px; }
.kf-faq-a { padding: 0 0 .5rem; }
.kf-faq-a[hidden] { display: none; }

/* contact forms */
.kf-form { background: #20323d; border: 1px solid rgba(17, 139, 142, .35); border-radius: 10px; padding: 1.5rem; margin: 0 0 2rem; }
.kf-field { margin: 0 0 1rem; }
.kf-field label { display: block; font-weight: 600; margin-bottom: .3rem; color: var(--kf-white); }
.kf-optional { font-weight: 400; font-size: .8rem; opacity: .75; margin-left: .35rem; }
.kf-field input, .kf-field select, .kf-field textarea { width: 100%; padding: .7rem .8rem; border-radius: 6px; border: 1px solid #5b7280; background: #0f1b22; color: var(--kf-white); font: inherit; }
.kf-field textarea { resize: vertical; }
.kf-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.kf-ack { font-size: .88rem; }
.kf-optin { display: flex; gap: .6rem; align-items: flex-start; font-size: .85rem; }
.kf-optin input { margin-top: .25rem; width: 1.1rem; height: 1.1rem; flex: none; }
.kf-form-status { min-height: 1.4em; font-weight: 600; }
.kf-form-status.is-error { color: #ffb4a8; }
.kf-form-status.is-ok { color: #8fe3b0; }

/* footer */
.kf-site-footer { background: #101c24; padding: 2.5rem 0 2rem; margin-top: 2rem; border-top: 1px solid rgba(17, 139, 142, .35); }
.kf-site-footer__inner { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; text-align: center; }
.kf-footer-links { list-style: none; padding: 0; margin: 0 0 1.5rem; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: center; }
.kf-footer-links li { margin: 0; }
.kf-footer-links a, .kf-footer-links .kf-current-link { text-decoration: none; }
.kf-footer-bird { max-width: 44rem; margin: 0 auto 1.5rem; font-size: .95rem; }
.footer-badge { color: var(--kf-white); font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 700; text-align: center; margin: 1rem 0; }
.kf-copyright { font-size: .85rem; opacity: .8; margin: 0; }

/* tablet and phone */
@media (max-width: 1000px) {
  .kf-menu-btn { display: inline-flex; }
  .kf-header-cta { margin-left: auto; }
  .kf-menu-btn { margin-left: 0; }
  .kf-nav { position: fixed; top: 0; right: 0; bottom: 0; width: min(88vw, 22rem); background: #101c24; z-index: 50; padding: 4.5rem 1.25rem 2rem; overflow-y: auto; transform: translateX(100%); visibility: hidden; transition: transform .22s ease, visibility 0s linear .22s; margin: 0; }
  .kf-nav.is-open { transform: none; visibility: visible; transition: transform .22s ease; }
  .kf-nav__list { flex-direction: column; align-items: stretch; gap: .2rem; }
  .kf-nav__link { display: block; padding: .8rem .3rem; font-size: 1.05rem; }
  .kf-dd { position: static; min-width: 0; box-shadow: none; border: 0; background: transparent; padding: 0 0 0 .75rem; margin: 0; }
  .kf-pair { grid-template-columns: 1fr; gap: 3rem; }
  .kf-pair__item--unit::after { right: auto; left: 50%; top: auto; bottom: -2.6rem; transform: translateX(-50%) rotate(90deg); }
}
@media (max-width: 520px) {
  .kf-logo img { height: 44px; }
  .kf-header-cta { padding: .5rem .7rem; font-size: .82rem; }
  .kf-menu-btn__label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .kf-hero { padding: 2.25rem 0 1.75rem; }
  .kf-band { padding: 2.25rem 0; }
  .kf-btn { width: 100%; text-align: center; }
  .kf-header-cta { width: auto; }
  .kf-btn--tertiary { width: auto; text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .kf-nav, .kf-nav.is-open { transition: none; }
}