:root {
  --pink: #ff6f91;
  --pink-deep: #e84f78;
  --lavender: #a685e2;
  --mint: #4fd6ae;
  --gold: #ffc857;
  --cream: #fff8f0;
  --paper: #ffffff;
  --ink: #2b2140;
  --ink-soft: #6b6280;
  --border: #f0e4f4;
  --shadow: 0 10px 30px -12px rgba(43, 33, 64, 0.18);
  --radius: 18px;
  color-scheme: light;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: 'Poppins', system-ui, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Fredoka', system-ui, sans-serif;
  margin: 0;
  color: var(--ink);
}

p { margin: 0; }

a { color: inherit; }

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 10px 0;
  z-index: 200;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 248, 240, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Fredoka', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark { font-size: 1.4rem; }

.primary-nav {
  display: flex;
  gap: 1.75rem;
}
.primary-nav a {
  text-decoration: none;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--pink-deep);
  border-color: var(--pink);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 24px;
  margin: 0 auto;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  font-family: inherit;
}
.btn-primary {
  background: linear-gradient(135deg, var(--pink), var(--pink-deep));
  color: #fff;
  box-shadow: 0 10px 22px -8px rgba(232, 79, 120, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 26px -8px rgba(232, 79, 120, 0.6); }
.btn-primary:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }

.btn-ghost {
  background: #fff;
  color: var(--ink);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--lavender); color: var(--lavender); transform: translateY(-2px); }
.btn-ghost:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 1.5rem 4.5rem;
  background: radial-gradient(circle at 15% 20%, #ffe3ec 0%, transparent 45%),
              radial-gradient(circle at 85% 15%, #e7ddff 0%, transparent 40%),
              radial-gradient(circle at 50% 100%, #d7fbef 0%, transparent 50%),
              var(--cream);
  text-align: center;
}

.balloons { position: absolute; inset: 0; pointer-events: none; }
.balloon {
  position: absolute;
  width: 58px;
  height: 72px;
  border-radius: 50% 50% 50% 50% / 55% 55% 45% 45%;
  animation: float 7s ease-in-out infinite;
  opacity: 0.9;
}
.balloon::after {
  content: "";
  position: absolute;
  bottom: -32px;
  left: 50%;
  width: 1px;
  height: 32px;
  background: rgba(43, 33, 64, 0.25);
}
.b1 { background: radial-gradient(circle at 30% 25%, #ffb3c7, var(--pink)); left: 6%; top: 18%; animation-delay: 0s; }
.b2 { background: radial-gradient(circle at 30% 25%, #d0bcf5, var(--lavender)); left: 16%; top: 55%; width: 46px; height: 58px; animation-delay: 1.2s; }
.b3 { background: radial-gradient(circle at 30% 25%, #ffe29c, var(--gold)); right: 8%; top: 15%; animation-delay: 0.6s; }
.b4 { background: radial-gradient(circle at 30% 25%, #9beed0, var(--mint)); right: 18%; top: 50%; width: 50px; height: 64px; animation-delay: 1.8s; }
.b5 { background: radial-gradient(circle at 30% 25%, #ffb3c7, var(--lavender)); left: 45%; top: 6%; width: 38px; height: 48px; animation-delay: 2.4s; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-22px) rotate(2deg); }
}

.confetti-static {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, var(--gold) 3px, transparent 3px),
    radial-gradient(circle, var(--pink) 3px, transparent 3px),
    radial-gradient(circle, var(--mint) 3px, transparent 3px),
    radial-gradient(circle, var(--lavender) 3px, transparent 3px);
  background-size: 140px 140px, 180px 180px, 160px 160px, 200px 200px;
  background-position: 10% 30%, 80% 10%, 40% 80%, 65% 60%;
  opacity: 0.55;
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 40rem;
  margin: 0 auto;
}

.eyebrow, .section-eyebrow {
  display: inline-block;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--pink-deep);
  margin-bottom: 0.6rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}
.age-highlight {
  color: var(--pink-deep);
  display: inline-block;
  transform: rotate(-3deg);
}

.hero-sub {
  margin-top: 1.1rem;
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 34rem;
  margin-left: auto;
  margin-right: auto;
}

.date-badge {
  margin: 2rem auto 0;
  width: 92px;
  height: 92px;
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-top: 6px solid var(--pink);
  transform: rotate(-4deg);
}
.date-badge-day { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; color: var(--pink-deep); }
.date-badge-num { font-family: 'Fredoka', sans-serif; font-size: 1.9rem; font-weight: 700; line-height: 1.1; }
.date-badge-month { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; color: var(--ink-soft); }

.hero-actions {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.countdown {
  margin-top: 3rem;
  display: flex;
  gap: 0.9rem;
  justify-content: center;
  flex-wrap: wrap;
}
.countdown-unit {
  background: #fff;
  border-radius: 14px;
  padding: 0.9rem 1.1rem;
  min-width: 76px;
  box-shadow: var(--shadow);
}
.countdown-value {
  display: block;
  font-family: 'Fredoka', sans-serif;
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--pink-deep);
  font-variant-numeric: tabular-nums;
}
.countdown-label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 0.15rem;
}
.countdown-note {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
  min-height: 1.2em;
}

/* ---------- Section shells ---------- */
.section-inner {
  max-width: 62rem;
  margin: 0 auto;
  padding: 5rem 1.5rem;
}
.details, .schedule { text-align: center; }
.details h2, .schedule h2, .rsvp h2 { font-size: clamp(1.9rem, 3.5vw, 2.5rem); }

.schedule { background: #fff; }

/* ---------- Details ---------- */
.detail-grid {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  text-align: left;
}
.detail-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease;
}
.detail-card:hover { transform: translateY(-4px); }
.detail-icon {
  display: inline-flex;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, #ffe1ea, #fff3d6);
  color: var(--pink-deep);
  margin-bottom: 1rem;
}
.detail-icon svg { width: 24px; height: 24px; }
.detail-card h3 { font-size: 1.1rem; margin-bottom: 0.35rem; }
.detail-card p { color: var(--ink-soft); }

/* ---------- Schedule timeline ---------- */
.timeline {
  margin: 2.5rem auto 0;
  max-width: 34rem;
  text-align: left;
  list-style: none;
  padding: 0;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 74px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--border);
}
.timeline li {
  display: flex;
  gap: 1.5rem;
  padding: 1.1rem 0;
  position: relative;
}
.timeline-time {
  flex: 0 0 60px;
  font-weight: 600;
  color: var(--pink-deep);
  font-size: 0.85rem;
  padding-top: 0.15rem;
}
.timeline-body {
  flex: 1;
  padding-left: 1.7rem;
  border-left: 3px solid var(--mint);
  padding-bottom: 0.1rem;
}
.timeline-body h3 { font-size: 1.05rem; margin-bottom: 0.25rem; }
.timeline-body p { color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- RSVP ---------- */
.rsvp { text-align: center; }
.rsvp-intro {
  margin-top: 0.9rem;
  color: var(--ink-soft);
  max-width: 34rem;
  margin-left: auto;
  margin-right: auto;
}

.rsvp-layout {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
  text-align: left;
}

#rsvpForm {
  background: #fff;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.form-row {
  margin-bottom: 1.3rem;
  border: none;
  padding: 0;
}
.form-row legend { padding: 0; margin-bottom: 0.5rem; font-weight: 600; }
label { display: block; font-weight: 600; margin-bottom: 0.45rem; font-size: 0.92rem; }
.optional-tag { font-weight: 400; color: var(--ink-soft); }

input[type="text"],
input[type="email"],
input[type="number"],
textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: #fffdfa;
  font: inherit;
  color: var(--ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus-visible, textarea:focus-visible {
  outline: none;
  border-color: var(--pink);
  box-shadow: 0 0 0 3px rgba(255, 111, 145, 0.18);
}
textarea { resize: vertical; min-height: 5rem; }

.form-row.invalid input,
.form-row.invalid textarea { border-color: #e0466b; }
.field-error {
  color: #d13a5f;
  font-size: 0.82rem;
  margin-top: 0.4rem;
  min-height: 1.1em;
}

.radio-group { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.radio-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  cursor: pointer;
  font-weight: 500;
  margin: 0;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.radio-pill input { margin: 0; accent-color: var(--pink-deep); }
.radio-pill:has(input:checked) {
  border-color: var(--pink);
  background: #fff0f4;
}

.btn-submit { width: 100%; margin-top: 0.4rem; }
.form-status {
  margin-top: 1rem;
  font-size: 0.92rem;
  min-height: 1.2em;
  font-weight: 600;
}
.form-status.success { color: #1e9c6f; }
.form-status.error { color: #d13a5f; }

.rsvp-summary {
  background: linear-gradient(160deg, #fff0f4, #f4eeff);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid var(--border);
  height: fit-content;
}
.rsvp-summary h3 { font-size: 1.1rem; margin-bottom: 0.6rem; }
.summary-count { color: var(--ink-soft); font-size: 0.92rem; }
.guest-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-height: 20rem;
  overflow-y: auto;
}
.guest-list li {
  background: #fff;
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  font-size: 0.88rem;
  box-shadow: 0 3px 10px -6px rgba(43, 33, 64, 0.25);
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}
.guest-list .g-name { font-weight: 600; }
.guest-list .g-meta { color: var(--ink-soft); font-size: 0.8rem; }
.guest-list .g-not-coming .g-name { color: var(--ink-soft); font-weight: 500; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: #efe9ff;
  text-align: center;
  padding: 2.5rem 1.5rem;
}
.footer-inner p { margin-bottom: 0.4rem; }
.hashtag { color: var(--gold); font-weight: 600; letter-spacing: 0.03em; }

/* ---------- Confetti canvas ---------- */
.confetti-canvas-wrap {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 300;
}
#confettiCanvas { width: 100%; height: 100%; display: block; }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .rsvp-layout { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .primary-nav.open { max-height: 220px; }
  .primary-nav a { padding: 1rem 1.5rem; border-bottom: 1px solid var(--border); }
  .nav-toggle { display: flex; }
  .hero { padding: 3.5rem 1.25rem 3rem; }
  .section-inner { padding: 3.5rem 1.25rem; }
  .countdown-unit { min-width: 64px; padding: 0.75rem 0.8rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .balloon { animation: none; }
}