/* =========================================================
   SIIRF shared styles: used by every page
   ========================================================= */

/* ===== 1. Fonts (hosted in /fonts, no outside requests) ===== */
@font-face { font-family: "Plus Jakarta Sans"; src: url("../fonts/jakarta-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Plus Jakarta Sans"; src: url("../fonts/jakarta-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Plus Jakarta Sans"; src: url("../fonts/jakarta-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Plus Jakarta Sans"; src: url("../fonts/jakarta-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Plus Jakarta Sans"; src: url("../fonts/jakarta-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Plus Jakarta Sans"; src: url("../fonts/jakarta-800.woff2") format("woff2"); font-weight: 800; font-display: swap; }
@font-face { font-family: "Fraunces"; src: url("../fonts/fraunces.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

/* ===== 2. Colours: ochre and slate ===== */
:root {
  --shell: #F6F3EC;        /* warm off-white page background */
  --sand: #EDE7D9;         /* soft panels */
  --line: #E3DCCB;         /* borders */
  --paper: #FFFFFF;        /* cards */
  --coral: #EFE6D2;        /* light ochre tint */
  --sun: #F2E8CF;          /* light ochre tint */
  --mint: #E4E9E4;         /* light sage tint */
  --sky: #E1E6EB;          /* light slate tint */
  --lilac: #E8E4DE;        /* light stone */
  --primary: #2F3E4E;      /* slate: buttons and links */
  --primary-dark: #1F2A36;
  --accent: #B7862B;       /* ochre accent */
  --ochre: #C9963A;        /* ochre buttons (dark text) */
  --night: #222D38;        /* footer */
  --ink: #1F2933;          /* main text */
  --muted: #56606B;        /* softer text */

  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Fraunces", Georgia, serif;
}

/* ===== 3. Basics ===== */
* { box-sizing: border-box; }
html { scroll-padding-top: 76px; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--shell);
}
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.015em; margin: 0 0 .45em; }
h1, h2 { font-family: var(--serif); font-weight: 600; }
h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.8rem); }
h3 { font-size: 1.12rem; font-weight: 700; }
p { margin: 0 0 1em; max-width: 65ch; }
a { color: var(--primary); text-underline-offset: 3px; }
a:hover { color: var(--primary-dark); }
img, svg { max-width: 100%; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 22px; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ===== 4. Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 800; text-decoration: none; cursor: pointer;
  padding: 11px 22px; border-radius: 999px; border: 2px solid var(--primary);
  background: var(--primary); color: var(--paper);
  transition: transform .15s, background .15s;
}
.btn:hover { background: var(--primary-dark); color: var(--paper); transform: translateY(-2px); }
.btn.soft { background: transparent; color: var(--primary); }
.btn.ochre { background: var(--ochre); border-color: var(--ochre); color: var(--ink); }
.btn.ochre:hover { background: #DDAA4C; color: var(--ink); }
.btn.light { background: transparent; border-color: rgba(246, 243, 236, .6); color: #F6F3EC; }
.btn.light:hover { background: rgba(255, 255, 255, .1); color: #fff; }
.btn.soft:hover { background: var(--sand); color: var(--primary-dark); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }

/* ===== 5. Header and menu (slate on every page) ===== */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--primary); color: #F6F3EC; }
.site-header .wrap { display: flex; align-items: center; gap: 18px; min-height: 66px; }
.brand { display: flex; align-items: center; text-decoration: none; }
.brand img { height: 28px; width: auto; display: block; }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav > a, .nav-btn { font: inherit; font-weight: 600; font-size: .95rem; color: #E9E6DD; text-decoration: none; padding: 9px 14px; border-radius: 999px; border: 0; background: none; cursor: pointer; }
.nav > a:hover, .nav-btn:hover, .nav > a[aria-current="page"], .nav-btn.current { background: rgba(255, 255, 255, .1); color: #fff; }
.nav-btn::after { content: ""; display: inline-block; width: 6px; height: 6px; margin-left: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: translateY(-3px) rotate(45deg); }
.nav .donate { background: var(--ochre); color: var(--ink); font-weight: 700; margin-left: 8px; }
.nav .donate:hover, .nav .donate[aria-current="page"] { background: #DDAA4C; color: var(--ink); }

.has-sub { position: relative; }
.has-sub::before { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 12px; }
.mega {
  display: none; position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%);
  width: 600px; padding: 20px; background: var(--paper); color: var(--ink);
  border-radius: 16px; box-shadow: 0 24px 50px -20px rgba(15, 22, 30, .45);
  grid-template-columns: 1.25fr 1fr; gap: 20px;
}
.has-sub.open .mega, .has-sub:focus-within .mega { display: grid; }
@media (hover: hover) { .has-sub:hover .mega { display: grid; } }
.mega h3 { font: 800 .72rem/1 var(--font); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin: 4px 0 10px; }
.mega ul { list-style: none; margin: 0; padding: 0; }
.mega a { display: block; padding: 8px 10px; border-radius: 10px; text-decoration: none; color: var(--ink); }
.mega a:hover, .mega a[aria-current="page"] { background: var(--shell); }
.mega strong { display: block; font-size: .95rem; }
.mega span { display: block; font-size: .82rem; color: var(--muted); line-height: 1.35; }
.mega .col + .col { border-left: 1px solid var(--line); padding-left: 20px; }

.menu-toggle { display: none; margin-left: auto; font: inherit; font-weight: 700; background: rgba(255, 255, 255, .12); color: #fff; border: 0; border-radius: 999px; padding: 9px 18px; cursor: pointer; }
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .nav { display: none; position: absolute; top: 66px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 2px; background: var(--primary); padding: 10px 22px 20px; max-height: calc(100vh - 66px); overflow-y: auto; }
  .nav.open { display: flex; }
  .nav-btn { text-align: left; }
  .nav-btn::after { display: none; }
  .mega { display: grid; position: static; transform: none; width: auto; grid-template-columns: 1fr; box-shadow: none; background: rgba(255, 255, 255, .06); color: #fff; margin: 4px 0 8px; }
  .mega a { color: #fff; } .mega span { color: #C9CED4; } .mega a:hover { background: rgba(255, 255, 255, .08); }
  .mega .col + .col { border: 0; padding: 0; }
  .has-sub::before { display: none; }
  .nav .donate { margin: 8px 0 0; text-align: center; }
}

/* ===== 6. Page titles ===== */
.page-head { padding: 32px 0 12px; }
.page-head p { font-size: 1.08rem; color: var(--muted); }
.note { font-style: italic; color: var(--muted); }

/* ===== 7. Footer ===== */
.site-footer { background: var(--night); color: #C9CED4; margin-top: 64px; padding: 52px 0 30px; font-size: .93rem; }
.foot { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; }
.foot .brand img { height: 28px; }
.foot p { color: #AAB3BD; margin: 14px 0 0; max-width: 34ch; }
.foot h3 { font: 800 .74rem/1 var(--font); letter-spacing: .12em; text-transform: uppercase; color: #E0B45A; margin: 4px 0 14px; }
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li { margin-bottom: 9px; }
.foot a { color: #E3E6EA; text-decoration: none; }
.foot a:hover { color: #E0B45A; }
.foot-bottom { display: flex; justify-content: center; text-align: center; margin-top: 40px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .86rem; color: #8F99A5; }
.foot-bottom a { color: #E0B45A; }
@media (max-width: 860px) { .foot { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .foot { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ===== 8. Book pages ===== */
.back { display: inline-flex; align-items: center; gap: 6px; margin-top: 22px; font-weight: 600; font-size: .92rem; text-decoration: none; }
.back:hover { text-decoration: underline; }