*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --cream: #FAF7F2;
  --warm-white: #FFFDF9;
  --sage: #8B9E7E;
  --sage-light: #C5D1BC;
  --sage-dark: #6B8060;
  --charcoal: #2C2C2C;
  --muted: #7A7A7A;
  --rose: #C4A38A;
  --rose-light: #E8D5C4;
  --gold: #B8A07E;
  --border: #E2DDD5;
  --error: #C27A6A;
  --error-bg: #FDF0ED;
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Lexend', sans-serif;
  --fs-label: 12px;
  --fs-small: 14px;
  --fs-body: 16px;
  --fs-medium: 18px;
  --fs-large: 20px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--fs-medium);
  line-height: 1.5;
  background: var(--cream);
  color: var(--charcoal);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Grain */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* ==================== TWO-COLUMN LAYOUT ==================== */
.site-layout {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  justify-content: center;
}

/* ---------- LEFT: Written Invite column — FIXED ---------- */
.invite-column {
  position: fixed;
  top: 0;
  left: 0;
  width: 50%;
  height: 100vh;
  z-index: 2;
  padding: 48px;
  background: radial-gradient(circle at 20% 18%, #efe9de 0%, #e8dfd1 40%, #e2d7c7 100%);
}

.invite-sticky {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.invite-sheet {
  width: min(92%, 680px);
  background: #fffefb;
  border: 1px solid #e8e0d2;
  box-shadow: 0 14px 44px rgba(66, 58, 44, 0.12);
  padding: 48px 34px;
  text-align: center;
  color: #595950;
}

.invite-sheet-desktop {
  max-width: 640px;
}

.invite-branch {
  width: 100%;
  max-width: 390px;
  color: #6f8464;
  opacity: 0.85;
}

.invite-branch-top {
  margin: 0 auto 20px;
}

.invite-branch-bottom {
  margin: 22px auto 0;
}

.invite-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 5.2vw, 88px);
  line-height: 1;
  letter-spacing: 1px;
  color: #403f39;
  margin-bottom: 8px;
}

.invite-script {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.1vw, 28px);
  font-style: italic;
  color: #818071;
  margin-bottom: 10px;
}

.invite-names {
  font-family: var(--font-display);
  font-size: clamp(44px, 4.6vw, 72px);
  line-height: 1.05;
  letter-spacing: 0.5px;
  color: #4a4c43;
  margin-bottom: 16px;
}

.invite-names span {
  font-style: italic;
  color: #6d8061;
  margin: 0 6px;
}

.invite-detail {
  font-family: var(--font-display);
  font-size: clamp(22px, 1.95vw, 28px);
  color: #6f6f64;
  line-height: 1.45;
}

.invite-link {
  margin-top: 14px;
  font-size: var(--fs-label);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: #8f8f82;
}

/* ---------- RIGHT: Form column ---------- */
.form-column {
  margin-left: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 50px 20px 80px;
  min-height: 100vh;
}

.form-wrapper {
  width: 100%;
  max-width: 760px;
}

/* Mobile invite (hidden on desktop) */
.mobile-invite {
  display: none;
}

.invite-column {
  display: none;
}

.invite-sheet-main {
  margin: 0 auto 26px;
  max-width: 760px;
}

.details-panel {
  margin: 0;
  overflow: visible;
}

.content-panel {
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03), 0 8px 30px rgba(0,0,0,0.03);
  margin: 0 auto 24px;
  overflow: hidden;
}

.page-intro {
  text-align: center;
  margin: 0;
  max-width: none;
  background: transparent;
  border: 0;
  padding: 30px 24px 28px;
  box-shadow: none;
}

.page-intro-label {
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 8px;
}

.page-intro-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 9vw, 78px);
  line-height: 0.95;
  font-weight: 400;
  color: #4a4c43;
  margin-bottom: 12px;
}

.page-intro-title em {
  font-style: italic;
  color: #6d8061;
  margin: 0 6px;
}

.page-intro-meta {
  font-size: var(--fs-small);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.page-intro-copy {
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--muted);
  font-weight: 300;
  max-width: 50ch;
  margin: 0 auto;
}

/* ==================== MOBILE LAYOUT ==================== */
@media (max-width: 900px) {
  .invite-column { display: none; }

  .form-column {
    width: 100%;
  }

  .mobile-invite {
    display: block;
    position: relative;
    width: 100%;
    padding: 28px 18px 24px;
  }

  .mobile-invite .invite-sheet {
    width: 100%;
    padding: 34px 20px;
  }

  .mobile-invite .invite-title {
    font-size: clamp(40px, 13vw, 64px);
  }

  .mobile-invite .invite-script {
    font-size: clamp(20px, 6vw, 25px);
  }

  .mobile-invite .invite-names {
    font-size: clamp(36px, 10vw, 56px);
  }

  .mobile-invite .invite-detail {
    font-size: clamp(20px, 6vw, 26px);
  }

  /* Scroll prompt */
  .mobile-scroll-prompt {
    position: relative;
    margin-top: 18px;
    left: auto;
    transform: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    animation: bounceDown 2s ease infinite;
  }

  .mobile-scroll-prompt span {
    font-size: var(--fs-label);
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(107, 128, 96, 0.88);
  }

  .mobile-scroll-prompt svg {
    width: 16px;
    height: 16px;
    color: rgba(107, 128, 96, 0.88);
  }

  .form-column { padding: 32px 16px 56px; }
  .page-intro {
    margin-top: 0;
    margin-bottom: 0;
    padding: 24px 16px 22px;
  }
  .page-intro-title { font-size: clamp(40px, 13vw, 60px); }
  .page-intro-meta {
    font-size: var(--fs-label);
    letter-spacing: 1px;
  }
  .page-intro-copy { font-size: var(--fs-small); }
}

@media (max-width: 500px) {
  .mobile-invite { padding: 22px 14px 18px; }
  .mobile-invite .invite-sheet { padding: 28px 16px; }
}

/* ==================== SHARED COMPONENTS ==================== */

.flourish {
  text-align: center;
  margin-bottom: 12px;
  opacity: 0;
  animation: fadeDown 1s ease forwards;
}

.flourish svg {
  width: 60px;
  height: 30px;
  color: var(--sage-light);
}

/* Desktop header — hidden; info shown in photo overlay (desktop) and mobile hero */
.desktop-header {
  display: none;
  text-align: center;
  margin-bottom: 36px;
}

.desktop-header .header-label {
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 14px;
  opacity: 0;
  animation: fadeDown 1s 0.1s ease forwards;
}

.desktop-header .header-names {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 50px);
  font-weight: 300;
  line-height: 1.1;
  color: var(--charcoal);
  margin-bottom: 12px;
  opacity: 0;
  animation: fadeDown 1s 0.2s ease forwards;
}

.desktop-header .header-names em {
  font-style: italic;
  color: var(--sage-dark);
}

.desktop-header .header-date {
  font-size: var(--fs-small);
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
  opacity: 0;
  animation: fadeDown 1s 0.3s ease forwards;
}

.desktop-header .header-time {
  font-size: var(--fs-label);
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--sage);
  opacity: 0;
  animation: fadeDown 1s 0.35s ease forwards;
}

@media (max-width: 900px) {
  .desktop-header { display: none; }
}

.section-divider {
  width: 36px;
  height: 1px;
  background: var(--sage-light);
  margin: 0 auto 36px;
  opacity: 0;
  animation: fadeDown 1s 0.4s ease forwards;
}

.intro-invite {
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--muted);
  font-weight: 300;
  letter-spacing: 0.2px;
  text-align: center;
  margin: 0 auto 24px;
  max-width: 44ch;
  opacity: 0;
  animation: fadeUp 0.8s 0.48s ease forwards;
}

/* Venue */
.venue-card {
  background: transparent;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  padding: 24px 32px 28px;
  margin-bottom: 0;
  box-shadow: none;
  opacity: 0;
  animation: fadeUp 0.8s 0.45s ease forwards;
}

.venue-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.venue-grid > div {
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  align-content: start;
}

@media (max-width: 460px) {
  .venue-grid { grid-template-columns: 1fr; gap: 16px; }
  .venue-card { padding: 20px 20px 24px; }
}

.venue-item-label {
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 6px;
}

.venue-item-time {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--sage-dark);
  margin-bottom: 4px;
}

.venue-item-name {
  font-family: var(--font-display);
  font-size: var(--fs-large);
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 3px;
  line-height: 1.3;
  min-height: 2.6em;
}

.venue-item-address {
  font-size: var(--fs-small);
  font-weight: 300;
  color: var(--muted);
  line-height: 1.6;
}

/* Card */
.card {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 40px 36px;
  box-shadow: none;
  opacity: 0;
  animation: fadeUp 0.8s 0.55s ease forwards;
}

#rsvpCard,
#successCard {
  border-top: 1px solid var(--border);
}

@media (max-width: 500px) {
  .card { padding: 28px 20px; }
}

.card-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  text-align: center;
  margin-bottom: 4px;
  color: var(--charcoal);
}

.card-subtitle {
  font-size: var(--fs-small);
  font-weight: 300;
  text-align: center;
  color: var(--muted);
  margin-bottom: 32px;
  letter-spacing: 0.3px;
}

/* Form */
.field { margin-bottom: 22px; }

.field label {
  display: block;
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 7px;
}

.field input, .field textarea {
  width: 100%;
  padding: 13px 15px;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 300;
  color: var(--charcoal);
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 2px;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.field input:focus, .field textarea:focus {
  border-color: var(--sage-light);
  box-shadow: 0 0 0 3px rgba(139, 158, 126, 0.08);
}

.field input::placeholder, .field textarea::placeholder { color: #C0B8AD; }

.field textarea {
  resize: vertical;
  min-height: 80px;
}

/* Validation */
.field.has-error input,
.field.has-error textarea {
  border-color: var(--error);
  background: var(--error-bg);
}

.field.has-error input:focus,
.field.has-error textarea:focus {
  box-shadow: 0 0 0 3px rgba(194, 122, 106, 0.12);
  border-color: var(--error);
}

.field-error {
  font-size: var(--fs-small);
  font-weight: 400;
  color: var(--error);
  margin-top: 5px;
  display: none;
  animation: fadeIn 0.25s ease;
}

.field.has-error .field-error { display: block; }

/* Guest rows */
.guest-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 10px;
  animation: fadeIn 0.3s ease;
}

.guest-row .field { flex: 1; margin-bottom: 0; }

.guest-row-extra {
  border-top: 1px solid var(--border);
  margin-top: 18px;
  padding-top: 18px;
}

/* RSVP Toggle */
.rsvp-toggle-wrapper { flex: 0 0 150px; }

.rsvp-toggle-wrapper label {
  display: block;
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 7px;
}

.rsvp-toggle-group {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  height: 50px;
  min-width: 150px;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.rsvp-toggle-group.has-error {
  border-color: var(--error);
  box-shadow: 0 0 0 2px var(--error);
}

.rsvp-toggle-group button {
  flex: 1;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  background: var(--cream);
  color: var(--muted);
  transition: all 0.3s ease;
  padding: 0 12px;
}

.rsvp-toggle-group button:first-child {
  border-right: 1px solid var(--border);
}

.rsvp-toggle-group button.active-yes { background: var(--sage); color: white; }
.rsvp-toggle-group button.active-no { background: var(--rose); color: white; }
.rsvp-toggle-group button:hover:not(.active-yes):not(.active-no) { background: #F0EBE3; }

@media (max-width: 500px) {
  .guest-row { flex-wrap: wrap; }
  .guest-row .field {
    flex: 1 1 100%;
    width: 100%;
    min-width: 100%;
  }
  .rsvp-toggle-wrapper {
    flex: 1 1 100%;
    width: 100%;
    min-width: 100%;
  }
  .rsvp-toggle-group {
    min-width: unset;
    width: 100%;
  }
}

/* Add guest */
.add-guest-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--sage-dark);
  background: #f4f8f1;
  border: 1px solid var(--sage);
  border-radius: 2px;
  padding: 14px 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 4px;
  margin-bottom: 28px;
  width: 100%;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(107, 128, 96, 0.16);
}

.add-guest-btn:hover {
  background: #ebf2e6;
  border-color: var(--sage-dark);
  color: #4e6145;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(107, 128, 96, 0.2);
}

.add-guest-btn svg { width: 16px; height: 16px; }

/* Remove guest */
.remove-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  padding: 8px;
  margin-top: 26px;
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.remove-btn:hover { color: var(--rose); }
.remove-btn svg { width: 15px; height: 15px; }

@media (max-width: 500px) {
  .guest-row-removable { position: relative; }
  .guest-row-removable .remove-btn {
    position: static;
    margin-top: 8px;
    margin-left: auto;
    padding: 6px 0;
  }
}

.form-separator {
  border: none;
  border-top: 1px solid var(--border);
  margin: 28px 0;
}

/* Error banner */
.form-error-banner {
  display: none;
  background: var(--error-bg);
  border: 1px solid rgba(194, 122, 106, 0.3);
  border-radius: 2px;
  padding: 11px 14px;
  margin-bottom: 18px;
  font-size: var(--fs-small);
  font-weight: 400;
  color: var(--error);
  text-align: center;
  animation: fadeIn 0.3s ease;
}

.form-error-banner.visible { display: block; }

/* Submit */
.submit-btn {
  width: 100%;
  padding: 16px;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: white;
  background: linear-gradient(135deg, var(--sage-dark) 0%, var(--sage) 100%);
  border: 1px solid var(--sage-dark);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.4s ease;
}

.submit-btn:hover {
  background: linear-gradient(135deg, #5f7355 0%, var(--sage-dark) 100%);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(107, 128, 96, 0.3);
}

.submit-btn:active { transform: translateY(0); }
.submit-btn:disabled {
  opacity: 0.75;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Success */
.success-card {
  text-align: center;
  padding: 50px 36px;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards;
}

.success-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--sage);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  animation: scaleIn 0.5s 0.2s ease forwards;
  opacity: 0;
}

.success-icon svg { width: 22px; height: 22px; color: white; }

.success-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  margin-bottom: 10px;
  opacity: 0;
  animation: fadeDown 0.6s 0.35s ease forwards;
}

.success-message {
  font-size: var(--fs-small);
  font-weight: 300;
  color: var(--muted);
  line-height: 1.7;
  opacity: 0;
  animation: fadeDown 0.6s 0.5s ease forwards;
}

.decline-card .success-icon { background: var(--rose); }

/* Footer */
.footer {
  text-align: center;
  margin-top: 40px;
  font-size: var(--fs-label);
  color: #C0B8AD;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp 0.8s 0.9s ease forwards;
}

/* Animations */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}

.shake { animation: shake 0.4s ease; }

@keyframes bounceDown {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.7; }
  50% { transform: translateX(-50%) translateY(6px); opacity: 1; }
}