/* ========================================================================
   MD MTB Trail Crew — site stylesheet
   All design decisions source from /assets/css/tokens.css (mirror of
   brand/tokens.css). Never hard-code hex values, font names, or spacing.
   ======================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--md-font-body);
  font-size: var(--md-text-base);
  line-height: 1.6;
  color: var(--md-ink);
  background: var(--md-bone);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--md-teal-700); text-decoration: underline; text-underline-offset: 2px; transition: color var(--md-dur-fast) var(--md-ease); }
a:hover { color: var(--md-green-700); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ========================================================================
   Layout primitives
   ======================================================================== */
.container {
  max-width: var(--md-max);
  margin-inline: auto;
  padding-inline: var(--md-s-4);
}
.container--wide   { max-width: 1280px; }
.container--narrow { max-width: var(--md-max-narrow); }

.section {
  padding-block: var(--md-s-5);
}
.section--tight { padding-block: var(--md-s-4); }
.section--bone  { background: var(--md-bone); }
.section--ink   { background: var(--md-ink); color: var(--md-paper); }
.section--ink a { color: var(--md-teal-200); }
.section--ink a:hover { color: var(--md-paper); }
.section--topo {
  background-color: var(--md-bone);
  background-image: url('../textures/topo-pattern.svg');
  background-size: 480px;
  background-repeat: repeat;
  background-blend-mode: multiply;
  position: relative;
}
.section--topo::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--md-bone);
  opacity: 0.78;
  pointer-events: none;
}
.section--topo > * { position: relative; }

.section__title {
  font-family: var(--md-font-display);
  font-weight: 800;
  font-size: var(--md-text-2xl);
  letter-spacing: var(--md-tracking-tight);
  line-height: 1.05;
  text-transform: uppercase;
  margin: 0 0 var(--md-s-5);
  text-align: center;
}
.section__title--md    { font-size: var(--md-text-xl); }
.section__title--light { color: var(--md-paper); }

.section__lede,
.section__body {
  font-size: var(--md-text-md);
  max-width: 60ch;
  margin: 0 auto var(--md-s-4);
  text-align: center;
  text-wrap: pretty;
}
.section--ink .section__body { text-align: left; }

/* ========================================================================
   Hero
   ======================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--md-paper);
  overflow: hidden;
}
.hero__photo {
  position: absolute; inset: 0;
  background-image: url('../images/hero-trailbuild.jpg');
  background-size: cover;
  background-position: center 40%;
  z-index: 0;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg,
    rgba(19, 38, 36, 0.55) 0%,
    rgba(19, 38, 36, 0.45) 40%,
    rgba(19, 38, 36, 0.85) 100%);
  z-index: 1;
}

.hero__inner {
  position: relative; z-index: 2;
  margin: auto;
  max-width: var(--md-max);
  padding: var(--md-s-6) var(--md-s-4);
  text-align: center;
}
.hero__title {
  font-family: var(--md-font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 7vw, var(--md-text-4xl));
  letter-spacing: var(--md-tracking-tight);
  line-height: 0.95;
  text-transform: uppercase;
  margin: 0 0 var(--md-s-4);
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}
.hero__lede {
  font-size: var(--md-text-md);
  max-width: 60ch;
  margin: 0 auto var(--md-s-5);
  line-height: 1.55;
  text-wrap: pretty;
}
.hero__lede strong { font-weight: 600; }
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--md-s-3);
  justify-content: center;
  margin-bottom: var(--md-s-5);
}
.hero__sub {
  font-size: var(--md-text-base);
  opacity: 0.92;
  max-width: 56ch;
  margin: 0 auto;
}

/* ========================================================================
   Nav
   ======================================================================== */
.nav {
  position: relative; z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--md-s-3) var(--md-s-4);
  max-width: var(--md-max);
  margin-inline: auto;
  width: 100%;
}
.nav__brand img { height: 48px; width: auto; }
.nav__links {
  display: flex; gap: var(--md-s-4);
  list-style: none; margin: 0; padding: 0;
}
.nav__links a {
  color: var(--md-paper);
  text-decoration: none;
  font-size: var(--md-text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--md-tracking-caps);
  padding: var(--md-s-2) 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--md-dur-fast) var(--md-ease);
}
.nav__links a:hover { border-bottom-color: var(--md-paper); }

.nav__toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: var(--md-s-2);
  cursor: pointer;
}
.nav__toggle-bar {
  display: block;
  width: 24px; height: 2px;
  background: var(--md-paper);
  margin: 4px 0;
  transition: transform var(--md-dur-fast) var(--md-ease), opacity var(--md-dur-fast) var(--md-ease);
}

@media (max-width: 720px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: absolute;
    top: 100%; right: var(--md-s-4);
    flex-direction: column;
    gap: var(--md-s-3);
    background: rgba(19, 38, 36, 0.95);
    padding: var(--md-s-4);
    border-radius: var(--md-radius-md);
    box-shadow: var(--md-shadow-lg);
    display: none;
  }
  .nav__links.is-open { display: flex; }
  .nav.is-open .nav__toggle-bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav.is-open .nav__toggle-bar:nth-child(2) { opacity: 0; }
  .nav.is-open .nav__toggle-bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
}

/* ========================================================================
   Buttons
   ======================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--md-s-2);
  padding: 0.85rem 1.5rem;
  font-family: var(--md-font-body);
  font-size: var(--md-text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--md-tracking-wide);
  text-decoration: none;
  border-radius: var(--md-radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--md-dur-fast) var(--md-ease),
              border-color var(--md-dur-fast) var(--md-ease),
              color var(--md-dur-fast) var(--md-ease),
              transform var(--md-dur-fast) var(--md-ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn__icon { width: 18px; height: 18px; }

.btn--primary {
  background: var(--md-green-700);
  color: var(--md-paper);
  border-color: var(--md-green-700);
}
.btn--primary:hover { background: var(--md-green-600); border-color: var(--md-green-600); color: var(--md-paper); }

.btn--secondary {
  background: transparent;
  color: var(--md-paper);
  border-color: var(--md-paper);
}
.btn--secondary:hover { background: var(--md-paper); color: var(--md-ink); }

.btn--ghost-dark {
  background: var(--md-paper);
  color: var(--md-ink);
  border-color: var(--md-stone-300);
}
.btn--ghost-dark:hover { background: var(--md-ink); color: var(--md-paper); border-color: var(--md-ink); }

.btn-row {
  list-style: none;
  margin: 0 0 var(--md-s-5);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--md-s-3);
  justify-content: center;
}

/* ========================================================================
   Status panel (wraps the live widget)
   ======================================================================== */
.status-panel {
  background: var(--md-teal-500);
  color: var(--md-paper);
  border-radius: var(--md-radius-lg);
  padding: var(--md-s-5);
  margin-bottom: var(--md-s-5);
  box-shadow: var(--md-shadow-md);
  max-width: var(--md-max-narrow);
  margin-inline: auto;
}

/* ========================================================================
   Trailforks third-party embeds — preserve their iframes verbatim
   ======================================================================== */
.trailforks-embed {
  margin-block: var(--md-s-4);
  border-radius: var(--md-radius-md);
  overflow: hidden;
  background: transparent;
}
.trailforks-embed iframe { display: block; width: 100%; border: 0; background: transparent; }

/* ========================================================================
   7-day forecast widget (Open-Meteo)
   ======================================================================== */
.forecast {
  list-style: none;
  margin: 0 0 var(--md-s-3);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--md-s-2);
}
@media (max-width: 720px) {
  .forecast { grid-template-columns: repeat(4, 1fr); row-gap: var(--md-s-3); }
  .forecast__day:nth-child(n+5) { display: none; }
}
@media (max-width: 480px) {
  .forecast { grid-template-columns: repeat(3, 1fr); }
  .forecast__day:nth-child(n+4) { display: none; }
}
.forecast__day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: var(--md-s-3) 4px;
  background: var(--md-paper);
  border-radius: var(--md-radius-md);
  box-shadow: var(--md-shadow-sm);
  text-align: center;
}
.forecast__day--today {
  background: var(--md-teal-500);
  color: var(--md-paper);
}
.forecast__name {
  font-size: var(--md-text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--md-tracking-caps);
  opacity: 0.85;
}
.forecast__icon {
  width: 36px; height: 36px;
  margin: 2px 0;
  color: var(--md-teal-700);
}
.forecast__day--today .forecast__icon { color: var(--md-paper); }
.forecast__icon svg { width: 100%; height: 100%; display: block; }
.forecast__temps {
  display: flex; gap: 8px; align-items: baseline;
  font-family: var(--md-font-display);
  font-weight: 700;
}
.forecast__hi { font-size: var(--md-text-md); }
.forecast__lo { font-size: var(--md-text-base); opacity: 0.65; }
.forecast__pop {
  font-size: var(--md-text-xs);
  font-weight: 500;
  opacity: 0.75;
  font-variant-numeric: tabular-nums;
  min-height: 1em;
}
.forecast__attr {
  font-size: var(--md-text-xs);
  opacity: 0.55;
  text-align: center;
  margin: 0;
}
.forecast__loading,
.forecast__error {
  text-align: center;
  font-size: var(--md-text-sm);
  opacity: 0.7;
  padding: var(--md-s-4);
  margin: 0;
}

/* ========================================================================
   Section divider (topo-contour mark)
   Subtle hand-drawn contour line that echoes the brand topo motif and
   reads as a hill horizon. Usage: <hr class="hr-contour"> between
   sections, or .section--divided which auto-prepends one.
   ======================================================================== */
.hr-contour {
  border: 0;
  outline: 0;
  display: block;
  height: 32px;
  width: min(100%, 720px);
  margin: 0 auto;
  /* Defeat browser UA default <hr> styling (Chrome paints a 1px line via
     background-color: -internal-hr-default that overrides our background
     shorthand on some platforms). */
  background-color: transparent;
  color: transparent;
  background-image: url('../textures/divider-contour.svg');
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 32px;
  overflow: visible;
}
.hr-contour--wide  { width: min(100%, var(--md-max)); }
.hr-contour--light { filter: invert(1); opacity: 0.55; }

.section--divided { position: relative; }
.section--divided::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: min(90%, 720px);
  height: 32px;
  background: url('../textures/divider-contour.svg') center/100% 32px no-repeat;
  pointer-events: none;
}

/* ========================================================================
   FAQ
   ======================================================================== */
.faq {
  margin: 0;
  text-align: left;
}
.faq dt {
  font-family: var(--md-font-display);
  font-weight: 700;
  font-size: var(--md-text-md);
  margin-top: var(--md-s-4);
  letter-spacing: var(--md-tracking-tight);
}
.faq dt:first-of-type { margin-top: 0; }
.faq dd {
  margin: var(--md-s-2) 0 0;
  font-size: var(--md-text-base);
  color: var(--md-stone-500);
  text-wrap: pretty;
}
.faq dd strong { color: var(--md-ink); }

/* ========================================================================
   Disclaimer
   ======================================================================== */
.disclaimer {
  font-size: var(--md-text-sm);
  color: var(--md-stone-500);
}
.disclaimer p { margin: 0 0 var(--md-s-3); }
.disclaimer strong { color: var(--md-ink); }

/* ========================================================================
   Footer
   ======================================================================== */
.footer {
  background: var(--md-ink);
  color: var(--md-paper);
  padding-block: var(--md-s-6);
}
.footer a { color: var(--md-teal-200); text-decoration: none; }
.footer a:hover { color: var(--md-paper); text-decoration: underline; }
.footer__inner {
  display: grid;
  gap: var(--md-s-4);
  grid-template-columns: 1fr;
  text-align: center;
}
@media (min-width: 880px) {
  .footer__inner { grid-template-columns: auto 1fr auto; align-items: center; text-align: left; }
}
@media (max-width: 879px) {
  .footer__links { flex-wrap: wrap; }
}
.footer__brand { display: flex; align-items: center; gap: var(--md-s-3); }
.footer__mark { width: 36px; height: auto; flex-shrink: 0; }
.footer__tagline { margin: 0; font-size: var(--md-text-sm); opacity: 0.85; }
.footer__address {
  margin: 4px 0 0;
  font-style: normal;
  font-size: var(--md-text-xs);
  opacity: 0.6;
}
.footer__links {
  display: flex;
  gap: var(--md-s-3);
  flex-wrap: nowrap;
  justify-content: center;
  font-size: var(--md-text-sm);
  text-transform: uppercase;
  letter-spacing: var(--md-tracking-wide);
  font-weight: 500;
  white-space: nowrap;
}
.footer__credit { margin: 0; font-size: var(--md-text-xs); opacity: 0.65; }

/* ========================================================================
   Scroll fade-in (set by site.js on intersection)
   ======================================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--md-dur-base) var(--md-ease),
              transform var(--md-dur-base) var(--md-ease);
}
.fade-in.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .fade-in { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}