:root {
  --bg: #f4ede2;
  --surface: rgba(255, 250, 243, 0.74);
  --surface-strong: #fff8ef;
  --ink: #2f241b;
  --muted: #6b5642;
  --accent: #b65a2d;
  --accent-dark: #7f3514;
  --line: rgba(86, 54, 32, 0.12);
  --shadow: 0 24px 60px rgba(70, 41, 22, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans TC", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(223, 174, 115, 0.45), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(182, 90, 45, 0.22), transparent 20%),
    linear-gradient(180deg, #efe3d3 0%, #f7f1e8 48%, #f3ebde 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(circle at center, black 44%, transparent 92%);
  opacity: 0.35;
}

.site-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 12px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 18px 0 0;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 247, 236, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 24px rgba(89, 56, 34, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #d69b3f);
  color: #fffaf2;
  font-family: "Noto Serif TC", serif;
  font-size: 1.2rem;
  font-weight: 700;
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand-copy strong,
.nav a,
.button,
.menu-toggle {
  font-weight: 700;
}

.brand-copy small,
.hero-text,
.panel p,
.timeline-item p,
.event-card p,
.form-note,
.footer-grid p {
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav a {
  color: inherit;
  text-decoration: none;
  font-size: 0.95rem;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  padding: 10px 14px;
  color: inherit;
}

.section {
  padding: 88px 0;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 36px;
  min-height: calc(100vh - 110px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
  font-family: "Noto Serif TC", serif;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  max-width: 12ch;
}

h2 {
  font-size: clamp(2rem, 3.6vw, 3.2rem);
}

h3 {
  font-size: 1.45rem;
  margin-bottom: 14px;
}

.hero-text {
  max-width: 58ch;
  margin: 22px 0 0;
  font-size: 1.08rem;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: #fff8f1;
  box-shadow: 0 12px 26px rgba(143, 65, 25, 0.24);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
  box-shadow: none;
}

.button.secondary {
  border-color: rgba(127, 53, 20, 0.2);
  background: rgba(255, 251, 246, 0.62);
  color: var(--ink);
}

.hero-visual {
  position: relative;
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(6px);
}

.hero-visual::before {
  inset: -18px auto auto -18px;
  width: 160px;
  height: 160px;
  background: rgba(214, 155, 63, 0.24);
}

.hero-visual::after {
  inset: auto -12px -24px auto;
  width: 180px;
  height: 180px;
  background: rgba(182, 90, 45, 0.18);
}

.hero-card,
.panel,
.quote-card,
.event-card,
.join-panel {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.hero-card {
  position: relative;
  padding: 34px;
  border-radius: var(--radius-lg);
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px dashed rgba(127, 53, 20, 0.18);
  border-radius: 22px;
  pointer-events: none;
}

.hero-label,
.event-date {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(182, 90, 45, 0.12);
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 700;
}

.hero-card p,
.hero-card li {
  color: var(--muted);
  line-height: 1.8;
}

.hero-card ul {
  margin: 22px 0 0;
  padding-left: 18px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-lead {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.9;
}

.grid {
  display: grid;
  gap: 22px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.panel,
.event-card {
  padding: 28px;
  border-radius: var(--radius-md);
}

.purpose-accordion {
  max-width: 980px;
}

.purpose-disclosure {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 248, 239, 0.72);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.purpose-disclosure summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  list-style: none;
  cursor: pointer;
  padding: 24px 28px;
  font-family: "Noto Serif TC", serif;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 700;
}

.purpose-disclosure summary::-webkit-details-marker {
  display: none;
}

.purpose-disclosure summary::after {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(182, 90, 45, 0.12);
  color: var(--accent-dark);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.purpose-disclosure[open] summary::after {
  content: "−";
}

.purpose-body {
  padding: 0 28px 28px;
}

.purpose-body-intro {
  margin: 0 0 22px;
  color: var(--muted);
  line-height: 1.85;
}

.purpose-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.purpose-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(182, 90, 45, 0.12);
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 700;
}

.purpose-card h3 {
  margin-bottom: 0;
}

.purpose-card p {
  margin: 0;
  line-height: 1.85;
}

.culture-opening {
  margin-bottom: 22px;
}

.culture-feature,
.culture-feature-media {
  height: 100%;
}

.culture-feature {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.culture-feature p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.culture-feature-media {
  margin: 0;
  padding: 20px;
}

.culture-feature-media img {
  display: block;
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 22px;
}

.culture-feature-media figcaption {
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.culture-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
  align-items: stretch;
}

.timeline,
.quote-card {
  padding: 30px;
  border-radius: var(--radius-lg);
}

.timeline-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 18px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.timeline-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.timeline-item span {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(214, 155, 63, 0.3), rgba(182, 90, 45, 0.18));
  font-family: "Noto Serif TC", serif;
  font-weight: 700;
}

.quote-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(180deg, rgba(255, 247, 238, 0.84), rgba(241, 222, 197, 0.72));
}

.quote-card p {
  margin: 0;
  font-family: "Noto Serif TC", serif;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  line-height: 1.45;
}

.culture-layout-rich {
  margin-bottom: 22px;
}

.culture-quote {
  min-height: 100%;
  gap: 18px;
}

.culture-quote-copy {
  display: grid;
  gap: 12px;
}

.culture-quote-copy p {
  margin: 0;
  font-family: "Noto Sans TC", sans-serif;
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.85;
}

.culture-quote-media {
  margin: 0;
}

.culture-quote-media img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 20px;
}

.culture-quote-media figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.culture-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr)) 1.05fr;
  gap: 22px;
  align-items: stretch;
  margin-bottom: 22px;
}

.culture-media {
  margin: 0;
  padding: 18px;
}

.culture-media img {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 18px;
}

.culture-media figcaption {
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.culture-notes {
  display: flex;
  flex-direction: column;
  gap: 14px;
  grid-column: 3;
  grid-row: 1 / span 2;
}

.culture-notes ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.culture-notes li {
  line-height: 1.8;
}

.culture-inline-media {
  margin: 0;
}

.culture-inline-media img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 18px;
}

.culture-inline-media figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.culture-story {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.culture-story p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.join-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  padding: 34px;
  border-radius: 30px;
}

.join-form {
  display: grid;
  gap: 16px;
}

.join-form label {
  display: grid;
  gap: 8px;
  font-weight: 700;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.join-form input,
.join-form select,
.join-form textarea {
  width: 100%;
  border: 1px solid rgba(108, 75, 45, 0.16);
  border-radius: 16px;
  padding: 14px 16px;
  background: rgba(255, 250, 244, 0.95);
  color: var(--ink);
  font: inherit;
}

.join-form input:focus,
.join-form select:focus,
.join-form textarea:focus {
  outline: 2px solid rgba(182, 90, 45, 0.2);
  border-color: rgba(182, 90, 45, 0.35);
}

.footer {
  padding: 20px 0 54px;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 18px 0;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  min-width: 220px;
  max-width: min(88vw, 360px);
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(47, 36, 27, 0.94);
  color: #fff8ef;
  box-shadow: 0 18px 40px rgba(32, 22, 16, 0.28);
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .hero,
  .culture-layout,
  .join-panel,
  .grid.three,
  .grid.two-col,
  .culture-gallery {
    grid-template-columns: 1fr;
  }

  .culture-notes {
    grid-column: auto;
    grid-row: auto;
  }

  .culture-feature-media img,
  .culture-media img {
    height: 240px;
  }

  .topbar {
    flex-wrap: wrap;
    border-radius: 28px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    padding-top: 10px;
  }

  .nav.open {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding-top: 44px;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .section {
    padding: 64px 0;
  }

  .hero-card,
  .timeline,
  .quote-card,
  .join-panel,
  .panel {
    padding: 22px;
  }

  .purpose-disclosure summary,
  .purpose-body {
    padding-left: 20px;
    padding-right: 20px;
  }

  .purpose-disclosure summary {
    align-items: flex-start;
    font-size: 1.1rem;
  }

  .timeline-item {
    grid-template-columns: 44px 1fr;
    gap: 14px;
  }

  .timeline-item span {
    width: 40px;
    height: 40px;
  }

  .quote-card p {
    font-size: 1.45rem;
  }

  .culture-feature-media img,
  .culture-quote-media img,
  .culture-media img,
  .culture-inline-media img {
    height: 200px;
  }

  .culture-media,
  .culture-feature-media {
    padding: 14px;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.9rem;
  }
}