:root {
  --color-bg: #f2ebe3;
  --color-text: #46393d;
  --color-text-strong: #3a2f33;
  --color-text-soft: #4a3f44;
  --color-accent: #6b3c4f;
  --color-accent-light: #c9a6ad;
  --color-muted: #9a7d72;
  --color-muted-2: #8a7972;
  --color-muted-3: #9a8a82;
  --color-label: #6f5d56;
  --color-border: #d6c7bd;
  --color-border-soft: #ddcfc6;
  --color-rule: #c9bcb4;
  --color-divider: #d2c4bb;
  --color-card-bg: #f7f1ea;
  --color-cream: #f6ece2;
  --font-serif: 'Cormorant', serif;
  --font-sans: 'Manrope', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { width: 100%; }
body { -webkit-font-smoothing: antialiased; background: var(--color-bg); }
::selection { background: rgba(107, 60, 79, 0.18); }

@keyframes envelopePrompt { 0%, 100% { opacity: .45; } 50% { opacity: .95; } }

input::placeholder { color: #b6a89f; opacity: 1; }

/* ===== Language switcher ===== */
.lang-switcher {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  display: flex;
  gap: 3px;
  padding: 5px;
  background: rgba(255, 253, 250, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(122, 98, 88, 0.18);
  border-radius: 40px;
  box-shadow: 0 8px 24px -14px rgba(74, 57, 61, 0.4);
}
.lang-btn {
  padding: 8px 16px;
  border: none;
  border-radius: 30px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  cursor: pointer;
  background: transparent;
  color: #8a7066;
  transition: all .22s;
}
.lang-btn.active { background: var(--color-accent); color: var(--color-cream); }

/* ===== Envelope intro ===== */
.envelope-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(120% 120% at 50% 30%, #f3ebe1 0%, #e7dccf 100%);
  cursor: pointer;
  opacity: 1;
  transition: opacity 0.9s ease 0.55s;
}
.envelope-overlay[data-state="opening"],
.envelope-overlay[data-state="open"] {
  opacity: 0;
  pointer-events: none;
}
.envelope-wrap { display: flex; flex-direction: column; align-items: center; gap: 26px; }

.envelope {
  position: relative;
  width: min(82vw, 420px);
  aspect-ratio: 1.46 / 1;
  transform-style: preserve-3d;
}
.envelope-back {
  position: absolute;
  inset: 0;
  background: linear-gradient(170deg, #f5ede3, #eaded0);
  border-radius: 5px;
  box-shadow: 0 30px 60px -28px rgba(74, 57, 61, 0.45), inset 0 0 0 1px rgba(122, 98, 88, 0.12);
}
.envelope-pocket {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 64%;
  background: linear-gradient(180deg, #efe3d6, #f3e9de);
  clip-path: polygon(0 100%, 50% 18%, 100% 100%);
  border-radius: 5px;
}
.envelope-side {
  position: absolute;
  bottom: 0;
  width: 54%;
  height: 100%;
}
.envelope-side-left {
  left: 0;
  background: rgba(122, 98, 88, 0.05);
  clip-path: polygon(0 100%, 0 8%, 100% 100%);
}
.envelope-side-right {
  right: 0;
  background: rgba(122, 98, 88, 0.07);
  clip-path: polygon(100% 100%, 100% 8%, 0 100%);
}
.envelope-flap {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 64%;
  background: linear-gradient(160deg, #efe2d3, #e6d8c8);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform-origin: top center;
  transform-style: preserve-3d;
  box-shadow: 0 6px 14px -10px rgba(74, 57, 61, 0.5);
  transform: rotateX(0deg);
  transition: transform 0.85s cubic-bezier(.5, 0, .2, 1);
  z-index: 5;
}
.envelope-overlay[data-state="opening"] .envelope-flap,
.envelope-overlay[data-state="open"] .envelope-flap {
  transform: rotateX(178deg);
  z-index: 1;
}
.envelope-seal {
  position: absolute;
  top: 37%; left: 50%;
  width: 62px; height: 62px;
  margin-left: -31px; margin-top: -31px;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 34%, #8a5266, #5e3344);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 8;
  box-shadow: 0 4px 10px -4px rgba(74, 40, 52, 0.6), inset 0 0 0 2px rgba(255, 255, 255, 0.12);
  transform: scale(1);
  opacity: 1;
  transition: transform 0.5s ease, opacity 0.4s ease;
}
.envelope-overlay[data-state="opening"] .envelope-seal,
.envelope-overlay[data-state="open"] .envelope-seal {
  transform: scale(0);
  opacity: 0;
}
.seal-initials {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 22px;
  color: #f3e7da;
  letter-spacing: 0.02em;
  line-height: 1;
}
.seal-initials .amp { font-size: 13px; opacity: .8; }

.envelope-prompt {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: #7a6258;
  animation: envelopePrompt 2.4s ease-in-out infinite;
}

/* ===== Invitation content ===== */
.invitation {
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-serif);
  padding: 0 24px 96px;
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 1.2s ease, transform 1.2s ease;
}
.invitation.revealed { opacity: 1; transform: none; }
.invitation-inner { max-width: 920px; margin: 0 auto; }

.hero { padding: 150px 0 96px; text-align: center; }
.eyebrow {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 40px;
}
.name {
  font-style: italic;
  font-weight: 500;
  font-size: clamp(60px, 14vw, 150px);
  line-height: 0.9;
  letter-spacing: -0.01em;
  color: var(--color-text-strong);
}
.amp-big { font-style: italic; font-size: clamp(32px, 6vw, 62px); color: var(--color-accent); margin: 4px 0; }
.date-row { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 48px; }
.rule { height: 1px; width: 48px; background: var(--color-rule); }
.date-line {
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-label);
}

.countdown { text-align: center; margin-bottom: 120px; }
.countdown-label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 44px;
}
.countdown-grid { display: flex; justify-content: center; gap: clamp(22px, 7vw, 80px); }
.countdown-value { font-size: clamp(50px, 10vw, 90px); font-weight: 500; line-height: 1; color: var(--color-text-strong); }
.countdown-value-accent { color: var(--color-accent); }
.countdown-unit {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-muted-2);
  margin-top: 16px;
}

.message { max-width: 600px; margin: 0 auto 64px; text-align: center; }
.message p { font-style: italic; font-size: clamp(23px, 3.5vw, 32px); line-height: 1.5; color: var(--color-text-soft); }

.divider { display: flex; align-items: center; justify-content: center; gap: 16px; margin-bottom: 104px; }
.divider-line { height: 1px; width: 70px; background: var(--color-divider); }
.divider-diamond { width: 6px; height: 6px; transform: rotate(45deg); background: var(--color-accent-light); }

.rsvp-card {
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
  padding: 58px 32px;
  border: 1px solid var(--color-border-soft);
  border-radius: 4px;
  background: var(--color-card-bg);
}
.rsvp-kicker {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 18px;
}
.rsvp-title { font-style: italic; font-weight: 500; font-size: clamp(36px, 6vw, 52px); color: var(--color-text-strong); margin-bottom: 14px; }
.rsvp-sub {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-muted-2);
  line-height: 1.7;
  margin-bottom: 36px;
}

.rsvp-form { display: flex; flex-direction: column; gap: 16px; }
.rsvp-input {
  width: 100%;
  padding: 15px 18px;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  background: #fff;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-text);
  outline: none;
  text-align: center;
  letter-spacing: 0.02em;
}
.rsvp-choices { display: flex; gap: 12px; justify-content: center; }
.choice-btn {
  flex: 1;
  padding: 13px 22px;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  background: transparent;
  color: var(--color-accent);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all .2s;
}
.choice-btn.selected { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.rsvp-submit {
  margin-top: 8px;
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 3px;
  background: var(--color-accent);
  color: var(--color-cream);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
}

.rsvp-thanks { padding: 14px 0; }
.thanks-line { font-style: italic; font-size: 31px; color: var(--color-accent); margin-bottom: 10px; }
.thanks-message {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-muted-2);
  line-height: 1.7;
}

.footer { text-align: center; padding-top: 104px; }
.footer-initials { font-style: italic; font-size: 42px; color: var(--color-accent-light); }
.footer-note {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-muted-3);
  margin-top: 18px;
}