:root {
  --ink: #18211f;
  --muted: #5d665f;
  --paper: #fff8ed;
  --paper-2: #f3f7ef;
  --green: #0f6b55;
  --green-deep: #083f34;
  --coral: #e35d45;
  --mango: #f2b544;
  --line: rgba(24, 33, 31, 0.16);
  --shadow: 0 24px 80px rgba(9, 22, 18, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    "Noto Sans TC",
    "Microsoft JhengHei",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
  letter-spacing: 0;
}

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

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

.hero {
  position: relative;
  height: min(720px, 72svh);
  min-height: 520px;
  overflow: hidden;
  color: #fffaf2;
  isolation: isolate;
}

.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: -2;
}

.hero__shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(8, 18, 15, 0.85), rgba(8, 18, 15, 0.52) 38%, rgba(8, 18, 15, 0.1) 78%),
    linear-gradient(180deg, rgba(8, 18, 15, 0.45), rgba(8, 18, 15, 0.08) 28%, rgba(8, 18, 15, 0.66));
}

.topbar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 22px 0;
}

.topbar__brand {
  font-weight: 800;
  text-decoration: none;
}

.topbar__links {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  border: 1px solid rgba(255, 250, 242, 0.22);
  border-radius: 999px;
  background: rgba(24, 33, 31, 0.22);
  backdrop-filter: blur(12px);
}

.topbar__links a {
  min-width: 58px;
  padding: 8px 12px;
  border-radius: 999px;
  color: rgba(255, 250, 242, 0.84);
  text-align: center;
  text-decoration: none;
}

.topbar__links a:hover,
.topbar__links a:focus-visible {
  color: #fffaf2;
  background: rgba(255, 250, 242, 0.16);
  outline: none;
}

.hero__content {
  position: absolute;
  top: clamp(92px, 15svh, 132px);
  right: max(20px, calc((100% - 1180px) / 2));
  left: max(20px, calc((100% - 1180px) / 2));
  width: min(760px, calc(100% - 40px));
  margin: 0;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--mango);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 9em;
  margin: 0;
  font-size: clamp(3rem, 5.7vw, 5.55rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero h1 span {
  white-space: nowrap;
}

.hero__lead {
  max-width: 600px;
  margin: 20px 0 0;
  color: rgba(255, 250, 242, 0.86);
  font-size: clamp(1.06rem, 2vw, 1.28rem);
}

.hero__actions,
.location-actions,
.rsvp-form__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button--primary {
  color: #fffaf2;
  background: var(--coral);
  box-shadow: 0 18px 36px rgba(227, 93, 69, 0.32);
}

.button--primary:hover,
.button--primary:focus-visible {
  background: #c94834;
}

.button--ghost,
.button--ghost-light {
  color: #fffaf2;
  border-color: rgba(255, 250, 242, 0.38);
  background: rgba(255, 250, 242, 0.1);
  backdrop-filter: blur(10px);
}

.button--ghost:hover,
.button--ghost:focus-visible,
.button--ghost-light:hover,
.button--ghost-light:focus-visible {
  background: rgba(255, 250, 242, 0.18);
}

.button--dark {
  color: #fffaf2;
  background: var(--green-deep);
}

.button--dark:hover,
.button--dark:focus-visible {
  background: var(--green);
}

.button--outline {
  color: var(--green-deep);
  border-color: var(--line);
  background: transparent;
}

.button--outline:hover,
.button--outline:focus-visible {
  border-color: var(--green);
  background: rgba(15, 107, 85, 0.08);
}

.quick-info {
  position: relative;
  display: grid;
  width: min(1180px, calc(100% - 40px));
  grid-template-columns: minmax(105px, 0.72fr) minmax(100px, 0.62fr) minmax(130px, 0.9fr) minmax(250px, 1.9fr) 56px;
  gap: 1px;
  overflow: hidden;
  margin: 0 auto;
  border: 1px solid rgba(24, 33, 31, 0.12);
  border-radius: 8px;
  background: rgba(24, 33, 31, 0.92);
  box-shadow: 0 18px 42px rgba(9, 22, 18, 0.14);
}

.quick-info__item {
  padding: 17px 18px;
  background: rgba(255, 250, 242, 0.08);
}

.quick-info span {
  display: block;
  color: rgba(255, 250, 242, 0.62);
  font-size: 0.84rem;
}

.quick-info strong {
  display: block;
  margin-top: 4px;
  color: #fffaf2;
  font-size: clamp(0.98rem, 1.5vw, 1.14rem);
}

.copy-address {
  display: grid;
  min-width: 56px;
  min-height: 56px;
  place-items: center;
  border: 0;
  color: #fffaf2;
  background: var(--green);
  cursor: pointer;
}

.copy-address:hover,
.copy-address:focus-visible {
  background: #0a5848;
  outline: none;
}

.band {
  padding: clamp(64px, 9vw, 110px) 0;
}

.band--intro {
  padding-top: clamp(44px, 6vw, 74px);
  background: var(--paper);
}

.band--location {
  background: var(--paper-2);
}

.band--rsvp {
  color: #fffaf2;
  background: var(--green-deep);
}

.is-invite .admin-panel,
.is-admin .guest-intro {
  display: none;
}

.section-layout,
.location-layout,
.rsvp-layout,
.detail-grid,
.guest-intro {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.section-layout,
.location-layout,
.rsvp-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: start;
}

.section-kicker {
  color: var(--green);
}

.band--rsvp .section-kicker {
  color: var(--mango);
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.3;
}

p {
  margin: 0;
}

code {
  padding: 0.05em 0.36em;
  border-radius: 6px;
  color: var(--green-deep);
  background: rgba(15, 107, 85, 0.1);
  font-size: 0.94em;
}

.section-copy p,
.location-copy p,
.rsvp-copy p {
  max-width: 560px;
  margin-top: 16px;
  color: var(--muted);
}

.guest-intro {
  max-width: 1180px;
}

.guest-intro h2 {
  max-width: 880px;
}

.link-panel {
  display: grid;
  gap: 8px;
  max-width: 560px;
  margin-top: 26px;
}

.link-panel label {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.link-panel__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 52px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
}

.link-panel input {
  min-width: 0;
  min-height: 52px;
  padding: 0 14px;
  border: 0;
  color: var(--ink);
  background: transparent;
  outline: none;
}

.icon-button {
  display: grid;
  min-width: 52px;
  place-items: center;
  border: 0;
  color: #fffaf2;
  background: var(--green);
  cursor: pointer;
}

.icon-button:hover,
.icon-button:focus-visible {
  background: #0a5848;
  outline: none;
}

.event-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.event-card {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  text-align: left;
  background: #fffdf8;
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.event-card:hover,
.event-card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(15, 107, 85, 0.42);
  outline: none;
}

.event-card.is-active {
  border-color: rgba(15, 107, 85, 0.72);
  box-shadow: inset 0 0 0 2px rgba(15, 107, 85, 0.2);
}

.event-card__date {
  display: inline-grid;
  min-width: 70px;
  min-height: 42px;
  margin-bottom: 28px;
  place-items: center;
  border-radius: 999px;
  color: #fffaf2;
  background: var(--green);
  font-weight: 900;
}

.event-card strong,
.event-card small {
  display: block;
}

.event-card strong {
  font-size: 1.2rem;
}

.event-card small {
  margin-top: 6px;
  color: var(--muted);
  font-weight: 800;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.detail-card {
  min-height: 210px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
}

.detail-card--photo {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(150px, 0.9fr);
  gap: 16px;
  align-items: stretch;
}

.detail-card__icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 30px;
  place-items: center;
  border-radius: 50%;
  color: #fffaf2;
  background: var(--coral);
  font-weight: 900;
}

.detail-card p {
  margin-top: 12px;
  color: var(--muted);
}

.detail-photo {
  overflow: hidden;
  min-height: 210px;
  margin: 0;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(15, 107, 85, 0.16), rgba(227, 93, 69, 0.16)),
    #f2f6ee;
}

.detail-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.map-frame {
  overflow: hidden;
  min-height: 430px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(15, 107, 85, 0.14), rgba(242, 181, 68, 0.16)),
    #fffdf8;
}

.map-frame iframe {
  display: block;
  width: 100%;
  height: 430px;
  border: 0;
  filter: saturate(0.85);
}

.rsvp-copy p,
.band--rsvp .section-kicker {
  color: rgba(255, 250, 242, 0.74);
}

.rsvp-copy code {
  color: #fffaf2;
  background: rgba(255, 250, 242, 0.16);
}

.rsvp-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 18px;
  border: 1px solid rgba(255, 250, 242, 0.18);
  border-radius: 8px;
  background: rgba(255, 250, 242, 0.08);
}

.rsvp-form label {
  display: grid;
  gap: 8px;
}

.rsvp-form label span,
.rsvp-event span {
  color: rgba(255, 250, 242, 0.74);
  font-size: 0.92rem;
  font-weight: 700;
}

.rsvp-form__wide {
  grid-column: 1 / -1;
}

.rsvp-event {
  display: grid;
  gap: 4px;
  padding: 14px;
  border: 1px solid rgba(255, 250, 242, 0.16);
  border-radius: 8px;
  background: rgba(255, 250, 242, 0.08);
}

.rsvp-event strong {
  color: #fffaf2;
  font-size: 1.05rem;
}

.rsvp-form input,
.rsvp-form select,
.rsvp-form textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(255, 250, 242, 0.22);
  border-radius: 8px;
  color: #fffaf2;
  background: rgba(7, 26, 21, 0.46);
  outline: none;
}

.rsvp-form input,
.rsvp-form select {
  padding: 0 14px;
}

.rsvp-form textarea {
  resize: vertical;
  padding: 12px 14px;
}

.rsvp-form input::placeholder,
.rsvp-form textarea::placeholder {
  color: rgba(255, 250, 242, 0.5);
}

.rsvp-form input:focus,
.rsvp-form select:focus,
.rsvp-form textarea:focus {
  border-color: var(--mango);
  box-shadow: 0 0 0 3px rgba(242, 181, 68, 0.18);
}

.rsvp-form select option {
  color: var(--ink);
}

.form-status {
  min-height: 46px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 250, 242, 0.16);
  border-radius: 8px;
  color: rgba(255, 250, 242, 0.78);
  background: rgba(255, 250, 242, 0.08);
}

.form-status[data-status="success"] {
  border-color: rgba(134, 214, 160, 0.44);
  color: #d8ffe2;
  background: rgba(35, 126, 75, 0.28);
}

.form-status[data-status="error"] {
  border-color: rgba(242, 181, 68, 0.48);
  color: #ffe6ad;
  background: rgba(242, 181, 68, 0.13);
}

.rsvp-form__actions {
  grid-column: 1 / -1;
  margin-top: 4px;
}

.footer {
  padding: 28px 20px;
  color: rgba(255, 250, 242, 0.72);
  text-align: center;
  background: #071a15;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 10;
  max-width: min(340px, calc(100vw - 36px));
  padding: 12px 16px;
  border-radius: 8px;
  color: #fffaf2;
  background: rgba(7, 26, 21, 0.92);
  box-shadow: 0 18px 48px rgba(7, 26, 21, 0.26);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

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

@media (max-width: 1040px) {
  .quick-info {
    grid-template-columns: minmax(110px, 1fr) minmax(100px, 0.8fr) minmax(130px, 1fr) 56px;
  }

  .quick-info__item--address {
    grid-column: 1 / 4;
  }

  .copy-address {
    grid-column: 4;
    grid-row: 1 / 3;
  }
}

@media (max-width: 920px) {
  .hero {
    height: 64svh;
    min-height: 500px;
  }

  .hero__shade {
    background:
      linear-gradient(180deg, rgba(8, 18, 15, 0.7), rgba(8, 18, 15, 0.4) 42%, rgba(8, 18, 15, 0.75)),
      linear-gradient(90deg, rgba(8, 18, 15, 0.72), rgba(8, 18, 15, 0.2));
  }

  .hero__content {
    top: clamp(96px, 14svh, 132px);
    width: min(720px, calc(100% - 40px));
  }

  .section-layout,
  .location-layout,
  .rsvp-layout {
    grid-template-columns: 1fr;
  }

  .event-grid,
  .detail-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .hero {
    height: 58svh;
    min-height: 500px;
  }

  .topbar {
    width: min(100% - 28px, 1180px);
    align-items: flex-start;
  }

  .topbar__links {
    gap: 0;
  }

  .topbar__links a {
    min-width: 48px;
    padding: 7px 9px;
    font-size: 0.92rem;
  }

  .hero__content,
  .section-layout,
  .location-layout,
  .rsvp-layout,
  .detail-grid,
  .guest-intro {
    width: min(100% - 28px, 1180px);
  }

  .hero h1 {
    font-size: clamp(2.45rem, 12vw, 4rem);
  }

  .hero__lead {
    max-width: 25rem;
    font-size: 1rem;
  }

  .hero__actions,
  .location-actions,
  .rsvp-form__actions {
    width: 100%;
  }

  .hero__actions {
    margin-top: 18px;
  }

  .hero__content {
    top: clamp(78px, 13svh, 112px);
  }

  .button {
    min-height: 50px;
  }

  .location-actions .button,
  .rsvp-form__actions .button {
    flex: 1 1 100%;
  }

  .quick-info {
    width: min(100% - 28px, 1180px);
    grid-template-columns: 1fr 1fr 52px;
  }

  .quick-info__item:nth-child(3),
  .quick-info__item--address {
    grid-column: 1 / 3;
  }

  .copy-address {
    grid-column: 3;
    grid-row: 1 / 4;
    width: auto;
    height: auto;
  }

  .quick-info__item {
    padding: 10px 12px;
  }

  .quick-info strong {
    font-size: 0.94rem;
  }

  .event-grid,
  .detail-grid,
  .rsvp-form {
    grid-template-columns: 1fr;
  }

  .event-card,
  .detail-card {
    min-height: auto;
  }

  .detail-card--photo {
    grid-template-columns: 1fr;
  }

  .detail-photo {
    min-height: 260px;
  }

  .event-card__date,
  .detail-card__icon {
    margin-bottom: 18px;
  }

  .map-frame,
  .map-frame iframe {
    min-height: 330px;
    height: 330px;
  }
}

@media (min-width: 461px) and (max-width: 640px) {
  .quick-info {
    grid-template-columns: 1fr 1fr 1fr 52px;
  }

  .quick-info__item:nth-child(3) {
    grid-column: auto;
  }

  .quick-info__item--address {
    grid-column: 1 / 4;
  }

  .copy-address {
    grid-column: 4;
    grid-row: 1 / 3;
  }
}

@media (max-width: 460px) {
  .hero__actions .button {
    flex: 1 1 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}