/* CHEVER — field manual / rank insignia
   bone + khaki paper, olive drab, brass gold, black ink; chevrons everywhere */

:root {
  --bone: #d5efe8; --khaki: #9dcdc1; --khaki2: #81b7aa;
  --olive: #284a57; --olivedeep: #1b333e; --gold: #21d1a1; --golddeep: #1ca984;
  --ink: #111719; --mute: #5a5c48;
}

html { scroll-behavior: auto; }
body { overflow-x: hidden; }

.skip-link { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--gold); color: var(--ink); padding: 8px 14px; font-weight: 700; }
.skip-link:focus { left: 8px; }

.mono { font-family: "Fira Code", monospace; }
.tag-mono { font-family: "Fira Code", monospace; font-size: 12px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; }

/* webbing stripe (diagonal) and canvas grain */
.webbing { background: repeating-linear-gradient(-45deg, var(--gold) 0 10px, var(--olivedeep) 10px 20px); }
.canvas { background-color: var(--bone); background-image: radial-gradient(rgba(17, 23, 25,.07) 1px, transparent 1px); background-size: 5px 5px; }
.canvas-olive { background-color: var(--olive); background-image: radial-gradient(rgba(255, 255, 255,.06) 1px, transparent 1px); background-size: 5px 5px; }
.canvas-deep { background-color: var(--olivedeep); background-image: radial-gradient(rgba(255, 255, 255,.05) 1px, transparent 1px); background-size: 5px 5px; }

/* corner-bracket frame */
.bracket { position: relative; }
.bracket::before, .bracket::after { content: ""; position: absolute; width: 22px; height: 22px; pointer-events: none; border-color: var(--ink); border-style: solid; }
.bracket::before { top: -2px; left: -2px; border-width: 4px 0 0 4px; }
.bracket::after { bottom: -2px; right: -2px; border-width: 0 4px 4px 0; }
.bracket--gold::before, .bracket--gold::after { border-color: var(--gold); }

/* section tag */
.sec-tag { display: inline-flex; align-items: stretch; font-family: "Fira Code", monospace; font-weight: 600; font-size: 12.5px; letter-spacing: .14em; text-transform: uppercase; }
.sec-tag b { background: var(--ink); color: var(--gold); padding: 5px 10px; font-weight: 600; }
.sec-tag span { border: 2px solid var(--ink); border-left: 0; padding: 3px 12px; display: flex; align-items: center; }
.sec-tag--dark b { background: var(--gold); color: var(--ink); }
.sec-tag--dark span { border-color: var(--gold); color: var(--gold); }

/* chevron rank */
.rank { display: flex; flex-direction: column; gap: 3px; }
.rank svg { display: block; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 12px; white-space: nowrap; font-family: "Fira Code", monospace; font-weight: 600; font-size: 14px; letter-spacing: .12em; text-transform: uppercase; padding: 15px 26px; border: 3px solid var(--ink); cursor: pointer; transition: background .2s, color .2s, transform .15s; clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px)); }
.btn--gold { background: var(--gold); color: var(--ink); }
.btn--gold:hover { background: #14e4aa; transform: translateY(-2px); }
.btn--ink { background: var(--ink); color: var(--gold); border-color: var(--ink); }
.btn--ink:hover { background: var(--olivedeep); }
.btn--line { background: transparent; color: var(--ink); }
.btn--line:hover { background: var(--ink); color: var(--bone); }
.btn--sm { padding: 9px 16px; font-size: 12.5px; }
.chev-arrow { display: inline-flex; gap: 0; }
.chev-arrow i { width: 8px; height: 8px; border-top: 3px solid currentColor; border-right: 3px solid currentColor; transform: rotate(45deg); margin-left: -2px; animation: chevgo 1.4s ease-in-out infinite; opacity: .35; }
.chev-arrow i:nth-child(2) { animation-delay: .15s; }
.chev-arrow i:nth-child(3) { animation-delay: .3s; }
@keyframes chevgo { 0%,100% { opacity: .3; } 50% { opacity: 1; } }

.nl { font-family: "Fira Code", monospace; font-weight: 500; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; padding: 6px 0; position: relative; color: var(--khaki); transition: color .2s; }
.nl:hover { color: var(--gold); }

/* ---------- hero insignia ---------- */
.march { animation: march 3.6s ease-in-out infinite; }
.march:nth-child(2) { animation-delay: .25s; }
.march:nth-child(3) { animation-delay: .5s; }
.march:nth-child(4) { animation-delay: .75s; }
@keyframes march { 0%,100% { opacity: .55; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-6px); } }

.plate-card { background: var(--ink); color: var(--bone); }
.plate-card dt { color: var(--khaki2); }

/* ---------- cards ---------- */
.card { background: #dff6f1; border: 3px solid var(--ink); transition: transform .25s, box-shadow .25s; }
.card:hover { transform: translate(-3px, -3px); box-shadow: 8px 8px 0 var(--ink); }

.pill { display: inline-block; font-family: "Fira Code", monospace; font-size: 11.5px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; padding: 3px 9px; border: 2px solid var(--ink); background: var(--khaki); }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 3px solid var(--ink); }
.faq-item:first-child { border-top: 3px solid var(--ink); }
.faq-trigger { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; text-align: left; padding: 22px 0; cursor: pointer; }
.faq-trigger:hover .faq-q { color: var(--olive); }
.faq-x { position: relative; width: 34px; height: 34px; flex: none; border: 3px solid var(--ink); background: var(--khaki); transition: background .2s; }
.faq-x::before, .faq-x::after { content: ""; position: absolute; left: 50%; top: 50%; background: var(--ink); transform: translate(-50%, -50%); }
.faq-x::before { width: 14px; height: 3px; }
.faq-x::after { width: 3px; height: 14px; transition: transform .25s; }
.faq-item[data-state="open"] .faq-x { background: var(--gold); }
.faq-item[data-state="open"] .faq-x::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s ease; }
.faq-body > * { overflow: hidden; min-height: 0; }
.faq-item[data-state="open"] .faq-body { grid-template-rows: 1fr; }

/* ---------- form ---------- */
.fieldbox { display: block; border: 3px solid var(--ink); background: #dff6f1; padding: 8px 14px 5px; transition: background .15s; }
.fieldbox:focus-within { background: #ffffff; outline: 3px solid var(--gold); outline-offset: 2px; }
.lbl { display: block; font-family: "Fira Code", monospace; font-weight: 600; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--olive); }
.field { width: 100%; background: transparent; border: 0; outline: 0; font-size: 16px; padding: 5px 0; color: var(--ink); font-family: Barlow, sans-serif; }
select.field { appearance: none; -webkit-appearance: none; cursor: pointer; }
.fieldbox--sel { position: relative; }
.fieldbox--sel::after { content: ""; position: absolute; right: 16px; bottom: 19px; width: 8px; height: 8px; border-right: 3px solid var(--ink); border-bottom: 3px solid var(--ink); transform: rotate(45deg); pointer-events: none; }

/* ---------- reveal ---------- */
[data-reveal] { opacity: 0; transform: translateX(-16px); transition: opacity .55s ease, transform .55s cubic-bezier(.2,.8,.2,1); transition-delay: var(--reveal-delay, 0ms); }
[data-reveal].is-visible { opacity: 1; transform: none; }
.card[data-reveal].is-visible { transition: opacity .55s ease var(--reveal-delay, 0ms), transform .25s, box-shadow .25s; }

/* ---------- toast ---------- */
.toast { position: fixed; left: 50%; bottom: 28px; z-index: 90; transform: translate(-50%, 30px); opacity: 0; pointer-events: none; background: var(--ink); color: var(--bone); border: 3px solid var(--gold); padding: 13px 22px; font-family: "Fira Code", monospace; font-size: 13.5px; letter-spacing: .04em; max-width: calc(100vw - 32px); transition: opacity .3s, transform .3s; }
.toast.is-shown { opacity: 1; transform: translate(-50%, 0); }
.toast__msg::before { content: "» "; color: var(--gold); font-weight: 700; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .march, .chev-arrow i { animation: none; }
}