/* ═══════════════════════════════════════════
   Elegant Rose — Wedding Invitation Template
   Modern, Clean & Romantic Design
   ═══════════════════════════════════════════ */

:root {
  --rose: #c9929e;
  --rose-light: #e8c4cb;
  --rose-dark: #a06b78;
  --rose-deep: #8b5a68;
  --blush: #f7e8ec;
  --cream: #fdf9f7;
  --ivory: #fefcfa;
  --warm-white: #fff8f5;
  --gold: #c9a96e;
  --gold-light: #e8d5a8;
  --text: #2d2226;
  --text-soft: #5c4a52;
  --text-muted: #8a7078;
  --border: rgba(201, 146, 158, 0.2);
  --shadow-sm: 0 2px 8px rgba(45, 34, 38, 0.04);
  --shadow-md: 0 8px 30px rgba(45, 34, 38, 0.08);
  --shadow-lg: 0 20px 60px rgba(45, 34, 38, 0.12);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Poppins', sans-serif;
  --font-accent: 'Lora', Georgia, serif;
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Reset & Base */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--cream);
  overflow-x: hidden;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.invite-hidden { display: none; }
.invite-visible { display: block; animation: fadeInUp 1s ease forwards; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ─── Opening Screen ─── */
.opening-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: linear-gradient(160deg, var(--warm-white) 0%, var(--blush) 50%, var(--cream) 100%);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 1s ease, visibility 1s ease;
}
.opening-screen::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.85);
  z-index: 0;
  pointer-events: none;
}
.opening-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.opening-ornament {
  position: absolute;
  width: 120px;
  height: 120px;
  border: 1px solid var(--rose-light);
  opacity: 0.4;
}
.opening-ornament.top-left { top: 30px; left: 30px; border-right: none; border-bottom: none; }
.opening-ornament.top-right { top: 30px; right: 30px; border-left: none; border-bottom: none; }
.opening-ornament.bottom-left { bottom: 30px; left: 30px; border-right: none; border-top: none; }
.opening-ornament.bottom-right { bottom: 30px; right: 30px; border-left: none; border-top: none; }

.opening-content {
  text-align: center;
  padding: 2rem;
  animation: fadeIn 1.5s ease;
  position: relative;
  z-index: 1;
}
.opening-icon {
  color: var(--rose);
  margin-bottom: 1.5rem;
  animation: float 3s ease-in-out infinite;
}
.opening-label {
  text-transform: uppercase;
  letter-spacing: 0.35em;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 0.75rem;
}
.opening-names {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 10vw, 4rem);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 0.5rem;
  color: var(--text);
}
.opening-names span {
  display: block;
  font-style: italic;
  color: var(--rose);
  font-size: 0.6em;
  margin: 0.25rem 0;
}
.opening-date {
  font-family: var(--font-accent);
  font-size: 1rem;
  color: var(--text-soft);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}
.opening-guest {
  display: none;
  font-size: 0.85rem;
  color: var(--rose-dark);
  font-weight: 500;
  margin-bottom: 1.5rem;
  padding: 0.5rem 1.5rem;
  border: 1px solid var(--rose-light);
  border-radius: 50px;
  background: rgba(232, 196, 203, 0.1);
}
.btn-open {
  background: linear-gradient(135deg, var(--rose), var(--rose-dark));
  color: #fff;
  border: none;
  padding: 0.9rem 2.5rem;
  border-radius: 50px;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: var(--transition);
  box-shadow: 0 8px 25px rgba(160, 107, 120, 0.3);
}
.btn-open:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(160, 107, 120, 0.4);
}
.btn-open:active { transform: translateY(0); }

/* ─── Music Control ─── */
.music-control {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  padding: 0.5rem 0.5rem;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  border: 1px solid var(--border);
}
#musicBtn {
  background: var(--rose);
  border: none;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
}
#musicBtn:hover { background: var(--rose-dark); }
#volumeSlider {
  width: 70px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--blush);
  border-radius: 2px;
  outline: none;
}
#volumeSlider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--rose);
  cursor: pointer;
}

/* ─── Hero Section ─── */
.inv-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(180deg, var(--blush) 0%, var(--cream) 100%);
  text-align: center;
  padding: 2rem;
  overflow: hidden;
}
.inv-hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(255,255,255,0.6), transparent 70%);
}
.inv-hero-content {
  position: relative;
  z-index: 2;
  animation: fadeInUp 1.2s ease 0.3s both;
}
.hero-frame {
  padding: 3rem 2rem;
}
.inv-sub {
  letter-spacing: 0.4em;
  text-transform: uppercase;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 1.5rem;
}
.inv-names-wrap {
  margin-bottom: 1.5rem;
}
.inv-names {
  font-family: var(--font-display);
  font-size: clamp(3rem, 12vw, 5.5rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--text);
}
.inv-ampersand {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  color: var(--rose);
  margin: 0.25rem 0;
}
.inv-date-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}
.inv-date-line .line {
  width: 40px;
  height: 1px;
  background: var(--rose-light);
}
.inv-date {
  font-family: var(--font-accent);
  font-size: 1rem;
  color: var(--text-soft);
  letter-spacing: 0.1em;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  animation: float 2s ease-in-out infinite;
}
.scroll-indicator i { font-size: 1rem; }

/* ─── Sections ─── */
.inv-section {
  padding: 5rem 1.5rem;
  position: relative;
}
.section-inner {
  max-width: 680px;
  margin: 0 auto;
}
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.section-ornament {
  display: block;
  color: var(--rose-light);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  letter-spacing: 0.5em;
}
.inv-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.section-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 400px;
  margin: 0.5rem auto 0;
  line-height: 1.6;
}

/* Alternating backgrounds */
.inv-countdown-section { background: var(--ivory); }
.inv-couple-section { background: var(--cream); }
.inv-event-section { background: var(--blush); }
.inv-story-section { background: var(--cream); }
.inv-gallery-section { background: var(--ivory); }
.inv-video-section { background: var(--cream); }
.inv-gift-section { background: var(--blush); }
.inv-rsvp-section { background: var(--cream); }

/* ─── Countdown ─── */
.countdown {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.cd-item {
  text-align: center;
  background: #fff;
  padding: 1.25rem 1rem;
  border-radius: var(--radius);
  min-width: 80px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.cd-number span {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--rose-dark);
  line-height: 1;
}
.cd-item small {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}
.cd-separator {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--rose-light);
  padding: 0 0.25rem;
}

/* ─── Couple ─── */
.couple-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: center;
  text-align: center;
}
.couple-card {
  background: #fff;
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.couple-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.couple-photo-wrap {
  width: 120px;
  height: 120px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--rose-light);
}
.couple-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.couple-photo[src=""] { display: none; }
.couple-photo-wrap:has(img[style*="display:none"]),
.couple-photo-wrap:has(img[src=""]) { display: none; }
.couple-initial {
  font-family: var(--font-display);
  font-size: 0;
  visibility: hidden;
  height: 0;
}
.couple-card h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--rose-dark);
  margin-bottom: 0.75rem;
}
.couple-card p {
  font-size: 0.85rem;
  color: var(--text-soft);
  margin-bottom: 0.25rem;
}
.couple-parents {
  font-size: 0.9rem;
  line-height: 1.8;
}
.couple-divider {
  display: flex;
  align-items: center;
  justify-content: center;
}
.divider-heart {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--rose-light), var(--rose));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  box-shadow: 0 4px 15px rgba(201, 146, 158, 0.3);
}

@media (max-width: 600px) {
  .couple-grid { grid-template-columns: 1fr; gap: 1rem; }
  .couple-divider { padding: 0.5rem 0; }
  .divider-heart { width: 40px; height: 40px; font-size: 1rem; }
}

/* ─── Event ─── */
.inv-quote-wrap {
  text-align: center;
  margin-bottom: 2.5rem;
}
.inv-quote {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--text-soft);
  line-height: 1.8;
  max-width: 500px;
  margin: 0 auto;
  position: relative;
  padding: 0 1.5rem;
}
.event-dual-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}
.event-time-card {
  background: #fff;
  padding: 2rem 1.5rem;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.event-time-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.event-time-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 1rem;
  background: linear-gradient(135deg, var(--blush), var(--rose-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--rose-dark);
}
.event-time-card h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.event-time-value {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--rose-dark);
  margin-bottom: 0.25rem;
}
.event-time-date {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.event-time-location {
  font-size: 0.82rem;
  color: var(--text-soft);
  margin-top: 0.5rem;
  font-weight: 500;
}
.event-time-location[data-separate="0"] { display: none; }
.event-info-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}
.event-info-card {
  background: #fff;
  padding: 1.75rem 1.25rem;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.event-info-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.event-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.event-card {
  background: #fff;
  padding: 1.75rem 1.25rem;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.event-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.event-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  background: var(--blush);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--rose-dark);
}
.event-card h4,
.event-info-card h4 {
  font-family: var(--font-accent);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}
.event-card p,
.event-info-card p {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}

@media (max-width: 480px) {
  .event-cards { grid-template-columns: 1fr; }
  .event-dual-cards { grid-template-columns: 1fr; }
  .event-info-cards { grid-template-columns: 1fr; }
}

.maps-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.maps-wrap iframe {
  width: 100%;
  min-height: 280px;
  border: 0;
  display: block;
}
.maps-dual { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.maps-dual-item { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.maps-dual-label { font-family: var(--font-accent); font-size: 0.8rem; padding: 0.75rem 1rem; margin: 0; color: var(--text-soft); background: var(--blush); }
.maps-dual-item iframe { width: 100%; min-height: 220px; border: 0; display: block; }
@media (max-width: 600px) { .maps-dual { grid-template-columns: 1fr; } }

/* ─── Story ─── */
.story-timeline {
  position: relative;
  padding-left: 2rem;
}
.story-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--rose-light), var(--rose), var(--rose-light));
  border-radius: 1px;
}
.story-item {
  position: relative;
  margin-bottom: 2rem;
}
.story-item:last-child { margin-bottom: 0; }
.story-dot {
  position: absolute;
  left: -2rem;
  top: 1.5rem;
  width: 18px;
  height: 18px;
  background: #fff;
  border: 3px solid var(--rose);
  border-radius: 50%;
  transform: translateX(calc(-50% + 9px));
  z-index: 1;
}
.story-card {
  background: #fff;
  padding: 1.75rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.story-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}
.story-icon {
  width: 40px;
  height: 40px;
  background: var(--blush);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--rose-dark);
  margin-bottom: 0.75rem;
}
.story-card h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.story-card p {
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.7;
}
.story-extra {
  margin-top: 2rem;
  font-family: var(--font-accent);
  font-size: 1rem;
  line-height: 2;
  color: var(--text-soft);
  text-align: center;
  background: #fff;
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.story-extra:empty { display: none; }

/* ─── Gallery ─── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.gallery-item {
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
}
.gallery-item:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}
.gallery-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  transition: var(--transition);
}
.gallery-item:hover img {
  transform: scale(1.05);
}

/* ─── Lightbox ─── */
.inv-lightbox {
  position: fixed; inset: 0; z-index: 9000;
  background: rgba(0,0,0,0.9);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: 0.3s;
}
.inv-lightbox.active { opacity: 1; visibility: visible; }
.inv-lightbox img { max-width: 90vw; max-height: 85vh; object-fit: contain; border-radius: 8px; }
.inv-lb-close { position: absolute; top: 20px; right: 20px; background: none; border: none; color: #fff; font-size: 1.8rem; cursor: pointer; z-index: 10; opacity: 0.8; transition: 0.3s; }
.inv-lb-close:hover { opacity: 1; }
.inv-lb-prev, .inv-lb-next { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,0.1); backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,0.2); color: #fff; width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 1.2rem; transition: 0.3s; }
.inv-lb-prev:hover, .inv-lb-next:hover { background: rgba(255,255,255,0.2); }
.inv-lb-prev { left: 20px; }
.inv-lb-next { right: 20px; }

/* ─── Video ─── */
.video-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.video-wrap iframe {
  width: 100%;
  aspect-ratio: 16/9;
  border: 0;
  display: block;
}

/* ─── Gift ─── */
.gift-content {
  background: #fff;
  padding: 2rem;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  font-size: 0.95rem;
  line-height: 2;
}
.gift-account-item {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  text-align: center;
}
.gift-account-item:last-child { margin-bottom: 0; }
.gift-account-item strong { color: var(--text); font-size: 0.9rem; }
.gift-account-number { font-size: 1.2rem; font-weight: 600; color: var(--rose-dark); letter-spacing: 0.05em; }

/* ─── RSVP ─── */
.rsvp-form {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
}
.rsvp-form input,
.rsvp-form select,
.rsvp-form textarea {
  padding: 0.85rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  background: #fff;
  color: var(--text);
  transition: var(--transition);
  outline: none;
}
.rsvp-form input:focus,
.rsvp-form select:focus,
.rsvp-form textarea:focus {
  border-color: var(--rose);
  box-shadow: 0 0 0 3px rgba(201, 146, 158, 0.15);
}
.rsvp-form textarea { resize: vertical; min-height: 100px; }

/* ─── Buttons ─── */
.btn-inv {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--rose), var(--rose-dark));
  color: #fff;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(160, 107, 120, 0.25);
}
.btn-inv:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(160, 107, 120, 0.35);
}
.btn-inv.w-100 { width: 100%; }
.btn-inv-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  background: transparent;
  border: 1.5px solid var(--rose);
  color: var(--rose-dark);
  text-decoration: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.85rem;
  transition: var(--transition);
}
.btn-inv-outline:hover {
  background: var(--blush);
  transform: translateY(-1px);
}
.mt-3 { margin-top: 1.5rem; }
.text-center { text-align: center; }

/* ─── Guestbook ─── */
.guestbook-list {
  max-width: 480px;
  margin: 1.5rem auto 0;
  max-height: 400px;
  overflow-y: auto;
  padding-right: 0.5rem;
}
.guestbook-list::-webkit-scrollbar {
  width: 4px;
}
.guestbook-list::-webkit-scrollbar-track {
  background: var(--blush);
  border-radius: 2px;
}
.guestbook-list::-webkit-scrollbar-thumb {
  background: var(--rose-light);
  border-radius: 2px;
}
.guestbook-list::-webkit-scrollbar-thumb:hover {
  background: var(--rose);
}
.guestbook-list .guest-item {
  background: #fff;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  border: 1px solid var(--border);
  animation: slideUp 0.5s ease forwards;
}
.guestbook-list .guest-item .guest-name,
.guestbook-list .guest-item strong {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}
.guestbook-list .guest-item .guest-message,
.guestbook-list .guest-item p {
  font-size: 0.85rem;
  color: var(--text-soft);
  margin-top: 0.3rem;
}
.guestbook-list .guest-item .guest-time,
.guestbook-list .guest-item small {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
  display: block;
}

/* ─── Footer ─── */
.inv-footer {
  padding: 4rem 1.5rem;
  background: var(--text);
  text-align: center;
}
.footer-content {
  max-width: 400px;
  margin: 0 auto;
}
.footer-thanks {
  font-family: var(--font-accent);
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.75rem;
}
.footer-names {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: #fff;
  margin-bottom: 1.5rem;
}
.share-btns {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.btn-share {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}
.btn-share:hover {
  background: var(--rose);
  border-color: var(--rose);
  transform: translateY(-2px);
}
.watermark {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
}
.watermark i { color: var(--rose-light); font-size: 0.6rem; }

/* ─── Reveal Animation ─── */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Toast Notification ─── */
.inv-toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: #fff;
  padding: 1rem 1.5rem;
  border-radius: 50px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  font-weight: 500;
  z-index: 10000;
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.4s ease;
  max-width: 90%;
}
.inv-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.inv-toast-success i { color: #4caf50; }
.inv-toast-error i { color: #e53935; }

/* ─── Responsive ─── */
@media (max-width: 480px) {
  .inv-section { padding: 3.5rem 1.25rem; }
  .opening-ornament { width: 60px; height: 60px; }
  .hero-frame { padding: 2rem 1rem; }
  .cd-item { min-width: 65px; padding: 1rem 0.75rem; }
  .cd-number span { font-size: 1.5rem; }
  .music-control { bottom: 16px; right: 16px; padding: 0.4rem 0.75rem; }
}