/* Page composition. Cabin artwork and camera rules stay in styles.css. */
:root {
  --page-gutter: var(--space-s-m);
  --page-panel-padding: var(--space-s-l);
  --page-border: 1px solid rgb(255 255 255 / 14%);
  --page-panel-radius: 1.75rem;
  --page-panel-shadow: inset 0 1px 0 rgb(255 255 255 / 10%),
    0 1.5rem 3rem rgb(0 0 0 / 25%);
  --page-display-size: var(--step-display);
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--ground);
  color: var(--color-light);
  font-family: var(--font-base);
  font-size: var(--step-0);
  line-height: var(--leading-standard);
  font-size-adjust: none;
}

:where(.hero, .content-group, .site-footer) code {
  color: var(--color-light);
  overflow-wrap: anywhere;
}

:where(.hero, .content-group, .site-footer, .site-header, .rule-reference) a {
  text-underline-offset: 0.2em;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

:where(.hero, .content-group section, .rule-reference) {
  scroll-margin-top: 6rem;
}

.wrapper {
  --wrapper-max-width: 75rem;
  --gutter: var(--page-gutter);
  width: 100%;
}

.page-main {
  position: relative;
  z-index: 1;
  background: var(--ground);
}

/* Fixed inside main's stacking context, so snow is not hidden by its ground.
   All content, including the room, paints above the decorative layer. */
.page-main > :not(.page-background) {
  position: relative;
  z-index: 1;
}

.page-background {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.page-background__glow {
  position: absolute;
  inset: auto 0 0;
  height: 60vh;
  background: radial-gradient(ellipse 70% 100% at 50% 100%, var(--glow), transparent 70%);
}

.page-background__snow {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: var(--page-border);
}

.site-header__inner {
  gap: var(--space-xs);
  padding-block: var(--space-xs);
}

.site-brand {
  flex-shrink: 0;
  color: var(--color-light);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--step-2);
  text-decoration: none;
}

.site-nav {
  --gutter: var(--space-s-m);
  column-gap: var(--gutter);
  row-gap: 0.25rem;
  font-size: var(--step--1);
  font-weight: 700;
}

.site-nav__section {
  padding-block: var(--space-xs);
  color: var(--muted);
  text-decoration: none;
}

.site-nav__section:hover { color: var(--color-light); }

/* Shared frosted surfaces and links styled as buttons. */
.panel,
.button,
.rule-reference {
  background: var(--glass);
  border: var(--page-border);
  box-shadow: var(--page-panel-shadow);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  backdrop-filter: blur(16px) saturate(1.2);
}

.panel {
  --flow-space: var(--space-m);
  padding: var(--page-panel-padding);
  border-radius: var(--page-panel-radius);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  max-width: 100%;
  padding: var(--space-xs) var(--space-m);
  border-radius: 999px;
  color: var(--color-light);
  font-size: var(--step-0);
  font-weight: 800;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
}

.button--accent {
  background: var(--accent);
  color: var(--on-accent);
}

.button--light {
  background: var(--color-light);
  color: var(--on-accent);
}

.button--compact {
  padding-inline: var(--space-s);
  font-size: var(--step--1);
}

.button:hover {
  color: var(--color-light);
  background: var(--ground);
  border-color: var(--accent);
}

.hero {
  padding-block-end: var(--space-xl);
  overflow-x: clip;
}

.hero__lights {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.hero__inner {
  --wrapper-max-width: 80rem;
  --repel-vertical-alignment: flex-end;
  gap: var(--space-l) var(--space-xl);
  padding-block-start: var(--space-xl);
}

.hero__title-group {
  --flow-space: var(--space-xs);
  min-width: 0;
}

.hero__wordmark {
  position: relative;
  width: fit-content;
}

.hero__title {
  inline-size: min-content;
  text-fit: grow;
  color: var(--color-light);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--page-display-size);
  line-height: 0.86;
  letter-spacing: -0.035em;
  text-shadow: 0 0 3.75rem var(--glow);
}

.hero__rosette {
  position: absolute;
  /* Sit beside Raid rather than overlaying its final letter. */
  left: calc(100% + var(--space-xs));
  top: 62%;
  width: clamp(2.5rem, 5.5vw, 5rem);
  height: auto;
  transform: rotate(8deg);
  filter: drop-shadow(0 0.75rem 1.125rem rgb(0 0 0 / 40%));
  overflow: visible;
}

.hero__subtitle {
  color: var(--accent);
  font-family: var(--font-heading);
  font-weight: 600;
  font-style: italic;
  font-size: clamp(var(--step-5), 4.2vw, 3.75rem);
  line-height: 1.05;
}

.date-survey {
  --flow-space: var(--space-s);
  flex: 0 1 27.5rem;
  min-width: 0;
  padding: var(--space-s-m);
  border-radius: 1.5rem;
}

.date-survey__heading {
  --gutter: var(--space-s);
  flex-wrap: nowrap;
}

.date-survey__title {
  min-width: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--step-3);
  line-height: 1.1;
}

.date-survey__button { width: 100%; }

/* Calendar illustration. Dimensions are artwork coordinates, not page spacing. */
.calendar {
  position: relative;
  flex: none;
  width: 76px;
  height: 88px;
  transform: rotate(-5deg);
  overflow: hidden;
  border-radius: 8px;
  background: var(--color-light);
  color: var(--on-accent);
  box-shadow: 0 8px 16px rgb(0 0 0 / 35%);
  text-align: center;
}

.calendar::before,
.calendar::after {
  content: "";
  position: absolute;
  top: 3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2a211b;
}

.calendar::before { left: 18px; }
.calendar::after { right: 18px; }

.calendar__month {
  padding: 9px 0 4px;
  background: var(--accent-2);
  color: var(--on-accent);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.12em;
}

.calendar__day {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 44px;
  line-height: 1.05;
}

.content-group {
  --flow-space: var(--space-m);
  padding-block: var(--space-xl) var(--space-4xl);
}

.content-group--intro { padding-block-start: var(--space-m); }

.section-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--step-6);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.section-title--small { font-size: var(--step-5); }

.game-steps {
  --gutter: var(--space-m);
  --grid-placement: auto-fit;
  --grid-min-item-size: min(100%, 13.125rem);
  padding: 0;
  list-style: none;
  counter-reset: game-step;
}

.game-step {
  --flow-space: var(--space-xs);
  min-width: 0;
  counter-increment: game-step;
}

.game-step::before {
  content: counter(game-step);
  display: block;
  margin-block-end: var(--space-xs);
  color: var(--accent);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--step-6);
  line-height: 1;
}

.game-step h3 {
  font-size: var(--step-1);
  font-weight: 800;
}

.game-step p,
.scoring p,
.how-it-works__break,
.volunteer p,
.faq p { color: var(--muted); }

.scoring {
  --gutter: var(--space-s);
  column-gap: var(--space-l);
  padding-block-start: var(--space-m);
  border-top: var(--page-border);
}

.scoring__explanation {
  --flow-space: 0.25rem;
  flex: 1 1 17.5rem;
  min-width: 0;
}

.scoring__explanation h3 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--step-3);
  line-height: 1.1;
}

.scoring__example {
  --gutter: var(--space-xs);
  flex: 1 1 25rem;
  min-width: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--step-2);
}

.visually-hidden {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.score {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-s);
  border: 1px solid rgb(255 255 255 / 10%);
  border-radius: 0.75rem;
  background: rgb(0 0 0 / 25%);
  white-space: nowrap;
}

.score__label {
  font-family: var(--font-base);
  font-size: var(--step--1);
  font-weight: 800;
  color: var(--muted);
}

.score__gain,
.score__total { color: var(--accent); }
.score__loss,
.score__equals { color: var(--muted); }
.score__total {
  display: inline-flex;
  flex-direction: column;
  font-size: var(--step-4);
  font-weight: 900;
}

.rule-reference {
  max-width: 72rem;
  margin: var(--space-m) max(var(--page-gutter), calc((100% - 72rem) / 2)) var(--space-l);
  padding: var(--space-s) var(--space-s-m);
  border-radius: 0.75rem;
}

.rule-reference summary {
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.rule-reference__title {
  display: inline;
  font: inherit;
}

summary { cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }

.rule-reference ol { padding-inline-start: 1.5em; }
.rule-reference li { margin-block: var(--space-xs); }

.volunteer {
  --sidebar-target-width: 7.5rem;
  --gutter: var(--space-l);
  align-items: center;
}

.volunteer > .volunteer__tally {
  flex: 0 0 7.5rem;
  width: 7.5rem;
  height: auto;
  overflow: visible;
  color: var(--accent);
}

/* Reveal the cross-stroke through a wider white mask, keeping the visible
   mark's round ends intact. Its path runs bottom-left to top-right. */
.tally__reveal {
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
}

@keyframes tally-write {
  0%, 7.5% { stroke-dashoffset: 1; opacity: 0; }
  8.125% { stroke-dashoffset: 1; opacity: 1; }
  22.5%, 93.75% { stroke-dashoffset: 0; opacity: 1; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}

@media (prefers-reduced-motion: no-preference) {
  .tally__reveal { animation: tally-write 8s ease-in-out infinite; }
}

.volunteer__copy {
  --flow-space: var(--space-s);
  min-width: 0;
}

.volunteer__copy p { max-width: 38.75rem; }

.faq { --flow-space: var(--space-m); }

.faq__items details {
  padding-block: var(--space-s);
  border-top: var(--page-border);
}

.faq__items details:last-child { border-bottom: var(--page-border); }

.faq__items summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-s);
  cursor: pointer;
  font-weight: 800;
  font-size: var(--step-1);
  list-style: none;
}

.faq__items summary::after { content: "+"; flex: none; color: var(--accent); }
.faq__items details[open] summary::after { content: "−"; }
.faq__items p { margin-block-start: var(--space-xs); }

/* A sibling of main, with no transform, reveal wrapper or script hook. */
.site-footer {
  position: sticky;
  bottom: 0;
  z-index: 0;
  display: flex;
  align-items: flex-end;
  min-height: min(35rem, 100svh);
  padding-block: var(--space-xl) var(--space-2xl);
}

.site-footer__inner { --flow-space: var(--space-m); }

.site-footer__title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(3.5rem, 10vw, 9.375rem);
  overflow-wrap: anywhere;
  line-height: 0.9;
  letter-spacing: -0.03em;
  text-shadow: 0 0 3.75rem var(--glow);
}

.site-footer__title span {
  color: var(--accent);
  font-style: italic;
  font-weight: 600;
}

.site-footer__links { --flow-space: var(--space-xl); --gutter: var(--space-s); }
.site-footer__actions { --gutter: var(--space-s); }
.site-footer__credit { color: var(--muted); font-size: var(--step--1); }

@media (max-width: 43.75rem) {
  .site-brand { max-width: 100%; font-size: var(--step-1); }
  .site-nav { min-width: 0; max-width: 100%; }
  .site-nav__section { display: none; }
  .hero__rosette { width: clamp(2.5rem, 13vw, 3.25rem); }
}

/* A wrapped, enlarged header must not obscure the content being read. */
@media (max-height: 45rem) {
  .site-header { position: relative; }
}

/* On narrow or short screens, large text can make the footer taller than
   the viewport. Normal flow keeps its opening lines reachable at any size. */
@media (max-height: 45rem), (max-width: 43.75rem) {
  .site-footer { position: static; min-height: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .site-footer { position: static; min-height: auto; }
}