/* /book/ page. Uses the site's tokens from site.css (loaded after this file, so every rule here is bk- prefixed). */
.bk-sec { padding-block: clamp(56px, 8vw, 104px); border-top: 1px solid var(--line-soft); }
.bk-sec:first-child { border-top: 0; }
.bk-sec .head { margin-bottom: clamp(26px, 4vw, 44px); }

.bk-split { display: grid; gap: clamp(28px, 5vw, 64px); }
@media (min-width: 900px) { .bk-split { grid-template-columns: 1.1fr .9fr; align-items: center; } }
.bk-lede { font: 400 clamp(1.15rem, 2.2vw, 1.4rem)/1.55 var(--serif); color: var(--head); margin-bottom: 1.1em; }
.bk-split p + p { margin-top: 1em; }
.bk-facts { margin-top: 28px; }
.bk-facts li { display: grid; grid-template-columns: 6.5rem 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line-soft); color: var(--ink); }
.bk-facts b { font: 600 .66rem/1.7 var(--sans); letter-spacing: .22em; text-transform: uppercase; color: var(--gold); }
.bk-fig img { display: block; width: 100%; height: auto; border: 1px solid var(--line); }
.bk-fig figcaption { margin-top: 10px; font-size: .82rem; color: var(--ink-3); }

.bk-cards { display: grid; gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); grid-template-columns: 1fr; }
@media (min-width: 640px) { .bk-cards { grid-template-columns: 1fr 1fr; } .bk-cards--3 { grid-template-columns: 1fr; } }
@media (min-width: 980px) { .bk-cards, .bk-cards--3 { grid-template-columns: repeat(3, 1fr); } }
.bk-card { background: var(--black); padding: clamp(24px, 3vw, 34px); transition: background .5s var(--ease); }
.bk-card:hover { background: var(--warm); }
.bk-card h3 { font-size: 1.4rem; margin-bottom: 10px; }
.bk-card p { color: var(--ink-2); font-size: .96rem; line-height: 1.6; }
.bk-card__k { font: 600 .68rem/1 var(--sans); letter-spacing: .26em; text-transform: uppercase; color: var(--gold) !important; margin-bottom: 14px; }
.bk-card .bk-card__best { margin-top: 14px; color: var(--gold-h); font-size: .86rem; }

.bk-sets { display: grid; gap: 28px; }
@media (min-width: 860px) { .bk-sets { grid-template-columns: 1fr 1fr; } }
.bk-set { border: 1px solid var(--line); background: var(--warm); display: flex; flex-direction: column; }
.bk-set img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.bk-set__in { padding: clamp(22px, 3vw, 32px); display: grid; gap: 10px; }
.bk-set__k { font: 600 .66rem/1.5 var(--sans); letter-spacing: .22em; text-transform: uppercase; color: var(--gold); }
.bk-set h3 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
.bk-set__sub { color: var(--gold-h); font: 400 1.05rem/1.4 var(--serif); }
.bk-set p { color: var(--ink-2); }
.bk-set__link a { display: inline-flex; align-items: center; gap: 8px; font: 600 .68rem/1.4 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--gold-h); min-height: 36px; }

.bk-steps { counter-reset: s; }
.bk-steps li { display: grid; grid-template-columns: 4.2rem 1fr; gap: 18px; padding: 24px 0; border-top: 1px solid var(--line-soft); align-items: baseline; }
.bk-steps li:last-child { border-bottom: 1px solid var(--line-soft); }
.bk-step__n { font: 400 2.1rem/1 var(--serif); color: var(--gold); }
.bk-steps h3 { font-size: 1.35rem; margin-bottom: 6px; }
.bk-steps p { color: var(--ink-2); max-width: 40rem; }

.bk-reqwrap { display: grid; gap: 40px; }
@media (min-width: 960px) { .bk-reqwrap { grid-template-columns: 1.6fr .8fr; align-items: start; } }
.bk-grid { display: grid; gap: 20px; grid-template-columns: 1fr; position: relative; }
@media (min-width: 640px) { .bk-grid { grid-template-columns: 1fr 1fr; } }
.bk-wide { grid-column: 1 / -1; }
.bk-form label { display: grid; gap: 9px; font: 600 .66rem/1.3 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--gold-h); }
.bk-form input, .bk-form select, .bk-form textarea {
  font: 400 1rem/1.4 var(--sans); letter-spacing: 0; text-transform: none; color: var(--head);
  background: var(--warm); border: 1px solid var(--line); border-radius: 0; padding: 14px; min-height: 52px; width: 100%;
  transition: border-color .4s var(--ease);
}
.bk-form textarea { resize: vertical; min-height: 120px; }
.bk-form input:hover, .bk-form select:hover, .bk-form textarea:hover { border-color: var(--gold); }
.bk-form input:focus-visible, .bk-form select:focus-visible, .bk-form textarea:focus-visible { outline: 2px solid var(--gold-h); outline-offset: 2px; border-color: var(--gold-b); }
.bk-form select option { background: #0B0908; color: #F3EEE4; }
.bk-form [aria-invalid="true"] { border-color: #ff9a8a; }
.bk-hp { position: absolute !important; left: -9999px; width: 1px !important; height: 1px !important; opacity: 0; }
.bk-actions { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 16px 22px; align-items: center; }
.bk-status { min-height: 1.5em; color: var(--ink); }
.bk-status[data-state="error"] { color: #ff9a8a; }
.bk-status[data-state="ok"] { color: var(--gold-h); }
.bk-fallback { margin-top: 26px; padding: 22px; border: 1px solid var(--line); background: var(--warm); display: grid; gap: 14px; }
.bk-fallback[hidden] { display: none; }
.bk-fallback pre { white-space: pre-wrap; font: 400 .92rem/1.6 var(--sans); color: var(--ink); background: var(--black); border: 1px solid var(--line-soft); padding: 16px; }
.bk-side { border: 1px solid var(--line); background: var(--warm); padding: clamp(22px, 3vw, 30px); display: grid; gap: 14px; align-content: start; }
.bk-side h3 { font-size: 1.3rem; }
.bk-side p { color: var(--ink-2); font-size: .95rem; }
.bk-side .btn { width: 100%; }
.bk-list li { padding: 11px 0; border-bottom: 1px solid var(--line-soft); display: grid; gap: 2px; }
.bk-list a { color: var(--gold-h); font-weight: 600; }
.bk-list span { color: var(--ink-3); font-size: .82rem; }
.bk-note { color: var(--ink-3) !important; font-size: .85rem !important; }
.bk-note a { color: var(--gold-h); }

/* mobile hero: taller, and the crop moves up so the headline sits under the helmet, not over it */
@media (max-width: 700px) {
  .bk-hero { min-height: 820px !important; }
  .bk-hero .phero__img { object-position: 69% 0% !important; height: 72%; }
  .bk-hero::after { background: linear-gradient(to top, #030303 0%, #030303 34%, rgba(3,3,3,.82) 46%, rgba(3,3,3,.4) 58%, rgba(3,3,3,0) 72%), linear-gradient(to bottom, rgba(3,3,3,.7), rgba(3,3,3,0) 18%); }
}