/* Fieldline Run Club — shared styles
   Flat earthy colors, square corners, no gradients or shadows. */
:root {
  --bg: #f4efe6;
  --paper: #efe6d6;
  --ink: #2b2620;
  --muted: #6e6558;
  --line: #d6c9b3;
  --clay: #b5652f;
  --olive: #5f6b3a;
  --sand: #c9b28a;
  --max: 1040px;
}

* { box-sizing: border-box; border-radius: 0; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: normal;
  line-height: 1.2;
  margin: 0 0 12px;
}

h1 { font-size: clamp(2.2rem, 6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.1rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 16px; }

img { display: block; max-width: 100%; height: auto; }

a { color: var(--clay); }

.container { max-width: var(--max); margin: 0 auto; padding: 0 16px; }

.label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: 10px;
}

.muted { color: var(--muted); }

/* ---------- Header ---------- */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-family: Georgia, serif;
  font-size: 1.25rem;
}

.logo img { width: 30px; height: 30px; }

.nav-links { display: flex; list-style: none; margin: 0; padding: 0; gap: 4px; }

.nav-links a {
  display: block;
  padding: 8px 12px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover { color: var(--ink); }

.nav-links a.active { color: var(--ink); border-bottom-color: var(--clay); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 6px 12px;
  font: inherit;
  cursor: pointer;
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: -16px;
    right: -16px;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 8px 16px 16px;
    z-index: 5;
  }
  .nav-links.open { display: flex; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  font: inherit;
  cursor: pointer;
}

.btn:hover { background: var(--clay); border-color: var(--clay); }

.btn.outline { background: transparent; color: var(--ink); }

.btn.outline:hover { background: var(--ink); color: var(--bg); }

/* ---------- Hero ---------- */
.hero { padding: 64px 0 48px; }

.hero p.intro { font-size: 1.2rem; color: var(--muted); max-width: 52ch; }

.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 40px; }

/* ---------- Sections ---------- */
.section { padding: 56px 0; border-top: 1px solid var(--line); }

.page-head { padding: 56px 0 32px; }

.page-head p { color: var(--muted); max-width: 60ch; font-size: 1.1rem; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }

.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--line); }

.three > div { padding: 24px; border-right: 1px solid var(--line); }

.three > div:last-child { border-right: none; }

@media (max-width: 760px) {
  .split { grid-template-columns: 1fr; }
  .three { grid-template-columns: 1fr; }
  .three > div { border-right: none; border-bottom: 1px solid var(--line); }
  .three > div:last-child { border-bottom: none; }
}

.facts { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }

.facts div { padding: 20px 0; }

.facts strong { display: block; font-family: Georgia, serif; font-weight: normal; font-size: 2rem; }

.facts span { color: var(--muted); }

@media (max-width: 560px) { .facts { grid-template-columns: 1fr; } }

/* ---------- Events ---------- */
.filters { display: flex; gap: 0; flex-wrap: wrap; margin-bottom: 24px; border: 1px solid var(--ink); width: fit-content; }

.filters button {
  background: none;
  border: none;
  border-right: 1px solid var(--ink);
  padding: 8px 18px;
  font: inherit;
  color: var(--ink);
  cursor: pointer;
}

.filters button:last-child { border-right: none; }

.filters button.active { background: var(--ink); color: var(--bg); }

.event-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }

.event {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.event .date { font-family: Georgia, serif; font-size: 1.15rem; }

.event .date span { display: block; color: var(--muted); font-size: 0.85rem; font-family: system-ui, sans-serif; }

.event h3 { margin-bottom: 4px; }

.event p { margin: 0; color: var(--muted); }

.event .type { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--olive); }

.event.hidden { display: none; }

.empty { color: var(--muted); padding: 20px 0; display: none; }

@media (max-width: 560px) { .event { grid-template-columns: 1fr; gap: 4px; } }

/* ---------- Mission ---------- */
.statement {
  font-family: Georgia, serif;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  line-height: 1.35;
  border-left: 4px solid var(--clay);
  padding-left: 24px;
  margin: 0 0 40px;
  max-width: 34ch;
}

.values { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }

.values li { display: grid; grid-template-columns: 60px 1fr; padding: 20px 0; border-bottom: 1px solid var(--line); }

.values .num { font-family: Georgia, serif; color: var(--clay); font-size: 1.3rem; }

/* ---------- Sign in ---------- */
.signin { max-width: 420px; }

.field { margin-bottom: 18px; }

.field label { display: block; margin-bottom: 6px; }

.field input {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--ink);
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}

.field input:focus { outline: 2px solid var(--clay); outline-offset: 0; }

.field.invalid input { border-color: #9b2c1c; }

.error { color: #9b2c1c; font-size: 0.9rem; min-height: 1.3em; margin-top: 4px; }

.check { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; }

.check input { accent-color: var(--clay); }

.notice { display: none; border: 1px solid var(--olive); color: var(--olive); padding: 12px 14px; margin-top: 18px; }

.notice.show { display: block; }

/* ---------- Error page ---------- */
.error-page { padding: 96px 0; }

.error-page .code { font-family: Georgia, serif; font-size: clamp(4rem, 14vw, 7rem); line-height: 1; color: var(--clay); margin: 0 0 12px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: 0.92rem; }

.footer-row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }

.footer-links a { color: var(--muted); text-decoration: none; }

.footer-links a:hover { color: var(--ink); }

.disclaimer { margin: 12px 0 0; font-size: 0.85rem; }