/* ============================================================
   COMPONENTS — Nav, footer, cards, tea entries, timeline
   ============================================================ */

/* ---- Navigation ------------------------------------------ */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: var(--space-sm);
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}

.site-nav.is-scrolled {
  background-color: rgba(240, 235, 225, 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 1px 0 rgba(26, 26, 24, 0.06);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.site-nav__logo {
  font-family: var(--font-ja);
  font-size: 1.35rem;
  color: var(--color-ink);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.site-nav__logo:hover {
  color: var(--color-matcha-deep);
}

.site-nav__links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
  align-items: center;
}

.site-nav__link {
  font-family: var(--font-accent);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-light);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
  transition: color 0.2s;
}

.site-nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1.5px;
  background-color: var(--color-matcha);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s ease;
}

.site-nav__link:hover {
  color: var(--color-ink);
}

.site-nav__link:hover::after {
  transform: scaleX(1);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-ink);
}

.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

/* Hamburger */
.site-nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  color: var(--color-ink);
}

.site-nav__toggle-icon {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: background 0.2s;
}

.site-nav__toggle-icon::before,
.site-nav__toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform 0.25s ease;
}

.site-nav__toggle-icon::before { top: -6px; }
.site-nav__toggle-icon::after  { top: 6px; }

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-icon {
  background: transparent;
}

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile overlay */
.site-nav__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-paper);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}

.site-nav__overlay.is-open {
  display: flex;
}

.site-nav__overlay .site-nav__links {
  flex-direction: column;
  gap: var(--space-lg);
}

.site-nav__overlay .site-nav__link {
  font-size: var(--text-xl);
  letter-spacing: 0.15em;
}

@media (max-width: 640px) {
  .site-nav__links { display: none; }
  .site-nav__toggle { display: block; }
}


/* ---- Footer ---------------------------------------------- */

.site-footer {
  padding-block: var(--space-3xl) var(--space-xl);
  text-align: center;
  border-top: 1px solid var(--color-fog);
  margin-top: var(--space-2xl);
}

.site-footer__name {
  font-family: var(--font-ja);
  font-size: var(--text-xl);
  color: var(--color-ink);
  display: block;
  margin-bottom: var(--space-xs);
}

.site-footer__meta {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: var(--space-lg);
}

.site-footer__nav {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  list-style: none;
  flex-wrap: wrap;
}

.site-footer__nav-link {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-stone);
  text-decoration: none;
  transition: color 0.2s;
}

.site-footer__nav-link:hover {
  color: var(--color-matcha-deep);
}


/* ---- Hero ------------------------------------------------- */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(212, 207, 198, 0.55) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 20%, rgba(232, 224, 210, 0.6) 0%, transparent 55%),
    radial-gradient(ellipse 100% 50% at 50% 110%, rgba(138, 132, 119, 0.18) 0%, transparent 60%),
    var(--color-cream);
}

.hero__content {
  text-align: center;
  padding-inline: var(--gutter);
  position: relative;
  z-index: 1;
}

.hero__name-ja {
  display: block;
  font-family: var(--font-ja);
  font-size: var(--text-hero);
  color: var(--color-ink);
  line-height: 1;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.1em;
}

.hero__name-en {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 400;
  color: var(--color-ink-light);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.hero__tagline {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-stone);
  max-width: 40ch;
  margin-inline: auto;
  line-height: var(--leading-loose);
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.hero__scroll-label {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-stone);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: var(--color-stone);
  animation: scroll-pulse 2s ease-in-out infinite;
  transform-origin: top center;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
  50%       { opacity: 1;   transform: scaleY(1); }
}


/* ---- Welcome Section ------------------------------------- */

.welcome {
  padding-block: var(--space-2xl);
}

.welcome__inner {
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.welcome__epigraph {
  font-family: var(--font-ja);
  font-size: var(--text-lg);
  color: var(--color-stone);
  text-align: center;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-fog);
  letter-spacing: 0.08em;
}

.welcome__text p {
  font-size: var(--text-base);
  line-height: var(--leading-loose);
}


/* ---- Seasonal Highlight Card ----------------------------- */

.seasonal {
  padding-block: var(--space-xl) var(--space-2xl);
  background: var(--color-paper-warm);
}

.seasonal__inner {
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
  text-align: center;
}

.seasonal__label {
  display: inline-block;
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: var(--space-md);
}

.seasonal__tea-ja {
  display: block;
  font-family: var(--font-ja);
  font-size: var(--text-2xl);
  color: var(--color-ink);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.05em;
}

.seasonal__tea-en {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-matcha-deep);
  margin-bottom: var(--space-sm);
}

.seasonal__type {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  display: block;
  margin-bottom: var(--space-md);
}

.seasonal__description {
  font-size: var(--text-base);
  max-width: 48ch;
  margin-inline: auto;
  line-height: var(--leading-loose);
  margin-bottom: var(--space-lg);
}

.text-link {
  font-family: var(--font-accent);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-matcha-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--color-matcha);
  padding-bottom: 1px;
  transition: color 0.2s, border-color 0.2s;
}

.text-link:hover {
  color: var(--color-matcha);
  border-color: transparent;
}


/* ---- Atmosphere Band ------------------------------------- */

.atmosphere {
  padding-block: var(--space-2xl);
  position: relative;
  overflow: hidden;
  background-color: var(--color-ink);
  background-image:
    repeating-linear-gradient(
      170deg,
      transparent,
      transparent 3px,
      rgba(255, 255, 255, 0.018) 3px,
      rgba(255, 255, 255, 0.018) 4px
    ),
    repeating-linear-gradient(
      100deg,
      transparent,
      transparent 20px,
      rgba(255, 255, 255, 0.012) 20px,
      rgba(255, 255, 255, 0.012) 21px
    );
}

.atmosphere__inner {
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
  text-align: center;
}

.atmosphere__quote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-style: italic;
  font-weight: 400;
  color: var(--color-paper);
  line-height: var(--leading-loose);
  letter-spacing: 0.02em;
}

.atmosphere__attribution {
  display: block;
  font-family: var(--font-ja);
  font-size: var(--text-sm);
  color: var(--color-stone);
  margin-top: var(--space-md);
  letter-spacing: 0.1em;
}


/* ---- Tea Entry ------------------------------------------- */

.tea-list {
  list-style: none;
}

.tea-entry {
  padding-block: var(--space-xl);
  border-bottom: 1px solid var(--color-fog);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

.tea-entry:last-child {
  border-bottom: none;
}

.tea-entry__header {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.tea-entry__name-ja {
  font-family: var(--font-ja);
  font-size: var(--text-2xl);
  color: var(--color-ink);
  transition: color 0.25s ease;
  letter-spacing: 0.05em;
  cursor: default;
}

.tea-entry:hover .tea-entry__name-ja {
  color: var(--color-matcha);
}

.tea-entry__name-en {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-ink-light);
}

.tea-entry__type {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-stone);
}

.tea-entry__description {
  font-size: var(--text-base);
  line-height: var(--leading-loose);
  max-width: 60ch;
  color: var(--color-ink-light);
  margin: 0;
}

.tea-entry__wagashi {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.tea-entry__wagashi-label {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-stone);
}

.tea-entry__wagashi-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-style: italic;
  color: var(--color-rust);
}

.tea-entry__wagashi-desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-stone);
}

.tea-entry__price {
  font-family: var(--font-accent);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink-light);
  letter-spacing: 0.05em;
}


/* ---- Season Pill ----------------------------------------- */

.season-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--color-paper-warm);
  border: 1px solid var(--color-fog);
  border-radius: 2px;
  padding: 0.35em 0.85em;
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-stone);
}

.season-pill__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-matcha);
}


/* ---- Journey Page ---------------------------------------- */

.journey-prose {
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.journey-prose h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-md);
  margin-top: var(--space-2xl);
}

.journey-prose h2:first-child {
  margin-top: 0;
}

.journey-prose h2 .subtitle-ja {
  display: block;
  font-family: var(--font-ja);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-stone);
  margin-top: 0.25em;
}

.journey-prose p {
  margin-bottom: var(--space-md);
}

.practical-info {
  background: var(--color-paper-warm);
  border-left: 2px solid var(--color-matcha);
  padding: var(--space-md) var(--space-lg);
  margin-block: var(--space-lg);
}

.practical-info__title {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: var(--space-sm);
}

.practical-info__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.practical-info__list li {
  font-size: var(--text-sm);
  color: var(--color-ink-light);
  line-height: var(--leading-normal);
  padding-left: var(--space-md);
  position: relative;
}

.practical-info__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-stone);
}


/* ---- Trail Map SVG --------------------------------------- */

.trail-map {
  margin-block: var(--space-2xl);
  padding-inline: var(--gutter);
}

.trail-map__label {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-stone);
  text-align: center;
  margin-bottom: var(--space-md);
  display: block;
}

.trail-map__svg-wrapper {
  max-width: 580px;
  margin-inline: auto;
  background: var(--color-cream);
  border: 1px solid var(--color-fog);
  padding: var(--space-lg);
}


/* ---- About / Timeline ------------------------------------ */

.about-prose {
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.about-prose p {
  margin-bottom: var(--space-md);
  font-size: var(--text-base);
  line-height: var(--leading-loose);
}

.timeline {
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block: var(--space-xl);
}

.timeline__title {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: var(--space-lg);
}

.timeline__list {
  list-style: none;
  position: relative;
  padding-left: var(--space-lg);
}

.timeline__list::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--color-fog);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-lg);
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: var(--space-sm);
  align-items: baseline;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-lg));
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-fog);
  border: 1.5px solid var(--color-stone);
  transform: translateX(-3px);
}

.timeline__year {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-stone);
  font-weight: 400;
}

.timeline__event {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-ink-light);
  line-height: var(--leading-normal);
  margin: 0;
}


/* ---- Menu Note ------------------------------------------- */

.menu-note {
  max-width: var(--content-width);
  margin-inline: auto;
  padding: var(--space-xl) var(--gutter);
  text-align: center;
}

.menu-note p {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-stone);
  line-height: var(--leading-loose);
}