:root {
  color-scheme: light dark;
  --gradient-primary: linear-gradient(135deg, #3dbf8b 10%, #ff7a7c 50%, #ff9a3d 90%);
  --gradient-dark: linear-gradient(135deg, #34d399 5%, #fb7185 55%, #f97316 95%);
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  width: 100%;
  background-color: #fdfaf6;
  background-image: radial-gradient(circle at 20% 20%, rgba(61, 191, 139, 0.15), transparent 55%),
    radial-gradient(circle at 80% 0%, rgba(255, 154, 61, 0.12), transparent 45%);
  overflow-x: visible;
}

html.dark body {
  background-color: #091320;
  background-image: radial-gradient(circle at 20% 20%, rgba(52, 211, 153, 0.18), transparent 50%),
    radial-gradient(circle at 80% 0%, rgba(251, 113, 133, 0.15), transparent 40%);
}

body.mobile-nav-open {
  overflow: hidden;
}

.floating-blob {
  position: absolute;
  width: clamp(10rem, 26vw, 22rem);
  height: clamp(10rem, 26vw, 22rem);
  border-radius: 40% 60% 65% 35% / 40% 35% 65% 60%;
  background: var(--gradient-primary);
  filter: blur(50px);
  opacity: 0.45;
  z-index: -1;
  transform: translateZ(0);
}

html.dark .floating-blob {
  background: var(--gradient-dark);
  opacity: 0.6;
}

.floating-blob[data-position='top-left'] {
  top: -4rem;
  left: -3rem;
}

.floating-blob[data-position='bottom-right'] {
  bottom: -4rem;
  right: -3rem;
}

.floating-blob[data-position='center'] {
  inset: 20% auto auto 50%;
  transform: translateX(-50%);
}

.glass-panel {
  backdrop-filter: blur(24px);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: 0 30px 55px -35px rgba(15, 23, 42, 0.28);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.glass-panel:hover {
  transform: translateY(-3px);
  box-shadow: 0 40px 70px -40px rgba(15, 23, 42, 0.32);
}

html.dark .glass-panel {
  background: rgba(9, 19, 32, 0.82);
  border-color: rgba(71, 85, 105, 0.4);
  box-shadow: 0 35px 70px -45px rgba(2, 10, 22, 0.72);
}

html.dark .glass-panel:hover {
  box-shadow: 0 45px 85px -50px rgba(2, 10, 22, 0.8);
}

.hero-pattern {
  background-image: radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.22), transparent 55%),
    radial-gradient(circle at 75% 10%, rgba(255, 255, 255, 0.18), transparent 60%);
  position: relative;
}

html.dark .hero-pattern {
  background-image: radial-gradient(circle at 25% 25%, rgba(148, 163, 184, 0.1), transparent 55%),
    radial-gradient(circle at 75% 10%, rgba(148, 163, 184, 0.08), transparent 60%);
}

.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(13, 148, 136, 0.45), transparent);
}

html.dark .section-divider {
  background: linear-gradient(90deg, transparent, rgba(52, 211, 153, 0.45), transparent);
}

.stagger-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(1.5rem, 2.5vw, 2.5rem);
}

.timeline-track {
  position: relative;
}

.timeline-track::before {
  content: '';
  position: absolute;
  inset: 0;
  margin: auto;
  width: 3px;
  background: linear-gradient(180deg, rgba(61, 191, 139, 0.08), rgba(255, 122, 124, 0.18));
}

html.dark .timeline-track::before {
  background: linear-gradient(180deg, rgba(52, 211, 153, 0.15), rgba(251, 113, 133, 0.25));
}

.timeline-card {
  position: relative;
}

.timeline-card::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 1.5rem;
  width: 1rem;
  height: 1rem;
  border-radius: 9999px;
  background: #3dbf8b;
  box-shadow: 0 0 0 6px rgba(61, 191, 139, 0.12);
}

html.dark .timeline-card::before {
  background: #34d399;
  box-shadow: 0 0 0 6px rgba(52, 211, 153, 0.18);
}

[data-theme='olive'] {
  background: linear-gradient(145deg, rgba(5, 44, 32, 0.95), rgba(7, 66, 44, 0.92));
}

[data-theme='blush'] {
  background: linear-gradient(145deg, rgba(253, 164, 175, 0.92), rgba(254, 215, 170, 0.95));
}

[data-theme='sunset'] {
  background: linear-gradient(145deg, rgba(249, 115, 22, 0.9), rgba(252, 211, 77, 0.95));
}

.rsvp-card {
  position: relative;
  overflow: hidden;
  box-shadow: 0 28px 55px -40px rgba(15, 23, 42, 0.25);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.rsvp-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 35px 70px -45px rgba(15, 23, 42, 0.3);
}

.rsvp-card::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image: radial-gradient(circle at 20% 20%, rgba(61, 191, 139, 0.6), transparent 62%),
    radial-gradient(circle at 80% 0%, rgba(255, 154, 61, 0.45), transparent 55%);
  pointer-events: none;
}

html.dark .rsvp-card {
  box-shadow: 0 32px 70px -50px rgba(2, 10, 22, 0.72);
}

html.dark .rsvp-card:hover {
  box-shadow: 0 45px 90px -55px rgba(2, 10, 22, 0.8);
}

html.dark .rsvp-card::after {
  opacity: 0.25;
}

.badge-soft {
  border-radius: 9999px;
  border: 1px solid currentColor;
  padding: 0.35rem 0.85rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
}

.feature-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.95rem;
  color: #0f172a;
  background: linear-gradient(135deg, rgba(99, 196, 156, 0.15), rgba(255, 122, 124, 0.18));
  box-shadow: 0 12px 24px -18px rgba(15, 23, 42, 0.35);
  border: 1px solid rgba(148, 163, 184, 0.25);
}

html.dark .feature-step {
  color: #f8fafc;
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.2), rgba(251, 113, 133, 0.22));
  border-color: rgba(94, 123, 166, 0.3);
  box-shadow: 0 14px 26px -18px rgba(2, 10, 22, 0.6);
}

.logo-wordmark {
  letter-spacing: 0.3em;
}

.logo-wordmark span {
  letter-spacing: normal;
}

.petal-border {
  position: relative;
}

.petal-border::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-primary);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

html.dark .petal-border::before {
  background: var(--gradient-dark);
}

.callout-ribbon {
  clip-path: polygon(0 0, 86% 0, 100% 50%, 86% 100%, 0 100%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 1.25rem 0;
}

.nav-shell {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0.85rem 1.75rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 18px 35px -25px rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(16px);
  gap: 1.5rem;
}

html.dark .nav-shell {
  background: rgba(8, 15, 23, 0.82);
  border-color: rgba(94, 123, 166, 0.25);
  box-shadow: 0 18px 35px -22px rgba(4, 14, 28, 0.9);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.1rem;
  border-radius: 9999px;
  background: linear-gradient(135deg, rgba(61, 191, 139, 0.12), rgba(255, 154, 61, 0.12));
  border: 1px solid rgba(99, 196, 156, 0.3);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.nav-brand:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -20px rgba(15, 23, 42, 0.55);
}

html.dark .nav-brand {
  border-color: rgba(52, 211, 153, 0.35);
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.18), rgba(251, 113, 133, 0.15));
  box-shadow: 0 12px 30px -22px rgba(4, 14, 28, 0.6);
}

.nav-brand .logo-text {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  letter-spacing: 0.52em;
  text-transform: uppercase;
  color: #0f172a;
}

html.dark .nav-brand .logo-text {
  color: #f8fafc;
}

.nav-links {
  align-items: center;
  gap: 1.85rem;
}

.nav-link {
  position: relative;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(15, 23, 42, 0.7);
  transition: color 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  inset: auto 0 -0.5rem;
  height: 3px;
  border-radius: 9999px;
  background: linear-gradient(90deg, rgba(61, 191, 139, 0), rgba(61, 191, 139, 0.75), rgba(61, 191, 139, 0));
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-link:hover {
  color: #3dbf8b;
  transform: translateY(-1px);
}

.nav-link:hover::after {
  opacity: 1;
  transform: translateY(0);
}

.nav-link[aria-current='page'] {
  color: #3dbf8b;
}

.nav-link[aria-current='page']::after {
  opacity: 1;
  transform: translateY(0);
}

html.dark .nav-link {
  color: rgba(226, 232, 240, 0.72);
}

html.dark .nav-link:hover,
html.dark .nav-link[aria-current='page'] {
  color: #65c3a7;
}

html.dark .nav-link::after {
  background: linear-gradient(90deg, rgba(101, 195, 167, 0), rgba(101, 195, 167, 0.85), rgba(101, 195, 167, 0));
}

.nav-theme-toggle {
  height: 2.6rem;
  width: 2.6rem;
  border-radius: 9999px;
  border: 1px solid rgba(99, 196, 156, 0.35);
  background: rgba(255, 255, 255, 0.85);
  color: #0f172a;
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.nav-theme-toggle:hover {
  transform: translateY(-1px);
  border-color: #3dbf8b;
  color: #3dbf8b;
}

html.dark .nav-theme-toggle {
  background: rgba(9, 19, 32, 0.85);
  border-color: rgba(94, 123, 166, 0.45);
  color: #e2e8f0;
}

html.dark .nav-theme-toggle:hover {
  border-color: #65c3a7;
  color: #65c3a7;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 9999px;
  padding: 0.75rem 1.8rem;
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 600;
  background: linear-gradient(135deg, #3dbf8b, #ff9a3d);
  color: #fff;
  box-shadow: 0 16px 35px -20px rgba(61, 191, 139, 0.6);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 40px -20px rgba(61, 191, 139, 0.7);
}

.mobile-menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 9999px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(255, 255, 255, 0.85);
  color: #0f172a;
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.mobile-menu-toggle:hover {
  transform: translateY(-1px);
  border-color: #3dbf8b;
  color: #3dbf8b;
  box-shadow: 0 12px 30px -20px rgba(15, 23, 42, 0.4);
}

html.dark .mobile-menu-toggle {
  background: rgba(9, 19, 32, 0.85);
  border-color: rgba(94, 123, 166, 0.45);
  color: #e2e8f0;
}

html.dark .mobile-menu-toggle:hover {
  border-color: #65c3a7;
  color: #65c3a7;
  box-shadow: 0 16px 32px -22px rgba(2, 10, 22, 0.7);
}

.mobile-nav {
  position: absolute;
  top: calc(100% + 1rem);
  right: 1.5rem;
  left: 1.5rem;
  padding: 1.5rem;
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 40px 80px -40px rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 40;
}

html.dark .mobile-nav {
  background: rgba(8, 15, 23, 0.9);
  border-color: rgba(94, 123, 166, 0.4);
  box-shadow: 0 45px 90px -45px rgba(2, 10, 22, 0.85);
}

.mobile-nav a {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: #1f2937;
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav a:hover {
  color: #3dbf8b;
}

.mobile-nav a[aria-current='page'] {
  color: #3dbf8b;
}

html.dark .mobile-nav a {
  color: rgba(226, 232, 240, 0.85);
  border-bottom-color: rgba(94, 123, 166, 0.35);
}

html.dark .mobile-nav a:hover,
html.dark .mobile-nav a[aria-current='page'] {
  color: #65c3a7;
}

.mobile-nav .mobile-nav-cta {
  display: block;
  margin-top: 0.5rem;
  border-radius: 9999px;
  background: linear-gradient(135deg, #3dbf8b, #ff9a3d);
  color: #fff;
  text-align: center;
  padding: 0.9rem;
  letter-spacing: 0.3em;
  font-size: 0.85rem;
  border: none;
  box-shadow: 0 20px 45px -25px rgba(61, 191, 139, 0.6);
}

.mobile-nav .mobile-nav-cta:hover {
  opacity: 0.92;
}

.footer-nav-brand {
  padding: 0.65rem 1.35rem;
  margin-bottom: 0.3rem;
  box-shadow: 0 16px 35px -24px rgba(15, 23, 42, 0.6);
}

.footer-nav-brand .logo-text {
  letter-spacing: 0.45em;
  font-size: 1.05rem;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  text-align: right;
  color: #475569;
  margin-left: auto;
}

.footer-menu a {
  color: inherit;
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background: rgba(255, 255, 255, 0.9);
  color: rgba(15, 23, 42, 0.7);
  transition: transform 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.footer-social-link:hover {
  transform: translateY(-2px);
  color: #3dbf8b;
  border-color: rgba(61, 191, 139, 0.45);
  box-shadow: 0 12px 20px -15px rgba(15, 23, 42, 0.4);
}

.footer-social-link svg {
  width: 1.15rem;
  height: 1.15rem;
}

html.dark .footer-nav-brand {
  box-shadow: 0 18px 40px -26px rgba(2, 10, 22, 0.85);
}

html.dark .footer-nav-brand .logo-text {
  color: #f8fafc;
}

html.dark .footer-menu {
  color: rgba(226, 232, 240, 0.82);
}

html.dark .footer-social-link {
  background: rgba(9, 19, 32, 0.85);
  border-color: rgba(94, 123, 166, 0.45);
  color: rgba(226, 232, 240, 0.75);
  box-shadow: 0 12px 26px -18px rgba(2, 10, 22, 0.65);
}

html.dark .footer-social-link:hover {
  color: #65c3a7;
  border-color: rgba(101, 195, 167, 0.6);
}

@media (max-width: 1023px) {
  .nav-shell {
    padding: 0.75rem 1.2rem;
    border-radius: 1.5rem;
  }

  .nav-brand .logo-text {
    letter-spacing: 0.38em;
    font-size: 1rem;
  }

  .footer-social {
    gap: 0.65rem;
  }

  .footer-social-link {
    width: 2.3rem;
    height: 2.3rem;
  }

  .footer-menu {
    justify-content: center;
    text-align: center;
    color: #475569;
    margin-left: 0;
  }
}