:root {
  --color-sage: #A3C1AD;
  --color-gold: #A88F5D;
  --color-text: #5A5A5A;
  --color-bg: #F9F7F1;
  --font-script: 'Pinyon Script', cursive;
  --font-serif: 'Cormorant Garamond', serif;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-serif);
  background-color: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
}

h1, h2, h3 { text-align: center; font-weight: normal; }
.script-font { font-family: var(--font-script); color: var(--color-gold); }
.serif-font { font-family: var(--font-serif); text-transform: uppercase; letter-spacing: 2px; }

/* --- LANG SWITCHER --- */
#lang-switcher {
  position: fixed;
  top: 18px;
  right: 18px;
  display: flex;
  gap: 6px;
  z-index: 100;
}

.lang-btn {
  background-color: rgba(249, 247, 241, 0.85);
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  font-family: var(--font-serif);
  font-size: 0.8rem;
  letter-spacing: 1px;
  padding: 5px 10px;
  border-radius: 20px;
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s;
  backdrop-filter: blur(4px);
}

.lang-btn:hover {
  background-color: rgba(168, 143, 93, 0.15);
}

.lang-btn.active {
  background-color: var(--color-gold);
  color: white;
}

/* --- SEZIONE 1: ENVELOPE & CARD --- */
#experience-container {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1500px;
  padding: 20px 0;
  box-sizing: border-box;
}

#envelope-layer {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background-color: var(--color-bg);
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  z-index: 10;
  transition: opacity 0.8s ease-in-out, visibility 0.8s;
}

.envelope-mockup { position: relative; width: 90%; max-width: 500px; cursor: pointer; }
.envelope-mockup img { width: 100%; height: auto; border-radius: 5px; }

.click-hint { margin-top: 20px; font-size: 1.2rem; color: var(--color-gold); animation: pulse 2s infinite; }

#card-container { width: 90%; max-width: 500px; aspect-ratio: 2/3; position: relative; z-index: 5; }

#card-flipper {
  position: relative; width: 100%; height: 100%;
  transition: transform 0.8s; transform-style: preserve-3d;
  box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.flipped { transform: rotateY(180deg); }


/*card-front, .card-back {
  position: absolute; width: 100%; height: 100%;
  -webkit-backface-visibility: hidden; backface-visibility: hidden;
  border-radius: 5px; overflow: hidden; background-color: white;
}*/

/* Impedisce di vedere il "dietro" degli elementi durante la rotazione */
.card-front, .card-back {
  -webkit-backface-visibility: hidden; /* Per Safari mobile */
  backface-visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Assicurati che il contenitore del bottone non "buchi" la superficie */
#flip-button-container {
  z-index: 10;
  -webkit-transform: translateZ(1px); /* Forza il rendering corretto su mobile */
  transform: translateZ(1px);
}
/* FRONTE: Immagine di sfondo 1.jpg */
.card-front {
  background-image: url('../img/1.png');
  background-size: cover;
  background-position: center;
}

/* VELLUM: Immagine 2.jpg sovrapposta */
#vellum-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image: url('../img/2.png');
  background-size: cover;
  background-position: center;
  transition: opacity 1s ease;
  cursor: pointer;
  z-index: 2;
}

#flip-button-container {
  position: absolute; bottom: 20px; width: 100%; text-align: center;
  opacity: 0; transition: opacity 0.5s; z-index: 3; pointer-events: none;
}

.btn-flip {
  background-color: rgba(255,255,255,0.8); border: 1px solid var(--color-gold);
  padding: 10px 20px; font-family: var(--font-serif); text-transform: uppercase;
  cursor: pointer; border-radius: 30px; color: var(--color-gold);
}

/* RETRO: Immagine 3.jpg */
.card-back {
  transform: rotateY(180deg);
  background-image: url('../img/3.png');
  background-size: contain; background-repeat: no-repeat; background-position: center;
}

/* --- SEZIONI CONTENUTO --- */
.content-section { max-width: 800px; margin: 50px auto; padding: 30px; text-align: center; background-color: white; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
.section-title { font-size: 2.5rem; color: var(--color-gold); margin-bottom: 30px; }
.rsvp-form { display: flex; flex-direction: column; gap: 20px; max-width: 500px; margin: 0 auto; text-align: left; }
input, select, textarea { padding: 15px; border: 1px solid #ddd; border-radius: 5px; font-family: var(--font-serif); width: 100%; box-sizing: border-box; }
.btn-submit { background-color: var(--color-gold); color: white; border: none; padding: 15px; letter-spacing: 2px; cursor: pointer; }
.map-container iframe { width: 100%; height: 400px; border: none; border-radius: 5px; }
.directions-link { display: inline-block; margin-top: 18px; color: var(--color-gold); text-decoration: none; font-size: 0.85rem; letter-spacing: 2px; border-bottom: 1px solid var(--color-gold); padding-bottom: 3px; transition: opacity 0.3s; }
.directions-link:hover { opacity: 0.7; }
.itinerary-list { list-style: none; padding: 0; text-align: left; display: inline-block; }
.itinerary-list li { margin-bottom: 20px; padding-left: 30px; position: relative; }
.itinerary-list li::before { content: '🌿'; position: absolute; left: 0; color: var(--color-sage); }
footer { text-align: center; padding: 40px; color: var(--color-gold); }

/* --- WEEKEND BLOCK --- */
.weekend-intro { font-size: 1rem; color: var(--color-text); margin-bottom: 30px; text-transform: none; letter-spacing: 0.5px; max-width: 600px; margin-left: auto; margin-right: auto; }
.weekend-block { text-align: left; }
.weekend-day { padding: 10px 0; }
.weekend-day-title { font-size: 1.6rem; color: var(--color-gold); margin: 0 0 20px 0; text-align: left; letter-spacing: 3px; border-bottom: 1px solid #e8e4dc; padding-bottom: 8px; }
.weekend-divider { height: 1px; background: linear-gradient(to right, transparent, var(--color-gold), transparent); margin: 30px 0; opacity: 0.4; }
.weekend-card { display: flex; gap: 18px; align-items: flex-start; margin-bottom: 22px; }
.weekend-card-icon { font-size: 1.5rem; flex-shrink: 0; width: 36px; text-align: center; padding-top: 2px; }
.weekend-card-content strong { display: block; font-size: 1.15rem; color: var(--color-text); margin-bottom: 4px; font-weight: 600; }
.weekend-card-content p { margin: 0; font-size: 0.95rem; color: #7a7a7a; line-height: 1.5; text-transform: none; letter-spacing: 0.3px; }
.weekend-card-content em { font-style: italic; color: var(--color-gold); }

/* --- TAP HINT: animazione tocco sul vellum --- */
#tap-hint {
  position: absolute;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  z-index: 4;
  pointer-events: none;
}

.tap-dot {
  position: absolute;
  top: 50%; left: 50%;
  width: 16px; height: 16px;
  margin: -8px 0 0 -8px;
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  animation: tapDot 2.2s ease-in-out infinite;
}

.tap-ring {
  position: absolute;
  top: 50%; left: 50%;
  width: 16px; height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  opacity: 0;
  animation: tapRing 2.2s ease-out infinite;
}

.tap-ring:nth-child(1) { animation-delay: 0.3s; }
.tap-ring:nth-child(2) { animation-delay: 0.55s; }
.tap-ring:nth-child(3) { animation-delay: 0.8s; }

@keyframes tapDot {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  15%       { transform: scale(0.85); opacity: 1; }
  30%       { transform: scale(1); opacity: 0.9; }
  60%, 90%  { opacity: 0; }
}

@keyframes tapRing {
  0%   { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(3.2); opacity: 0; }
}

/* --- SCROLL HINT: sotto la carta dopo il flip --- */
#scroll-hint {
  position: absolute;
  top: calc(50% + (min(90vw, 500px) * 3/2) / 2 + 15px);
  left: 0;
  width: 100%;
  text-align: center;
  z-index: 5;
  margin: 0;
}

@keyframes pulse { 0% { opacity: 0.6; } 50% { opacity: 1; } 100% { opacity: 0.6; } }


/* --- BACKGROUND MUSIC BUTTON --- */
#music-toggle {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 100;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-gold);
  background-color: rgba(249, 247, 241, 0.85);
  color: var(--color-gold);
  font-size: 18px;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: opacity 0.3s, transform 0.3s;
}

#music-toggle:hover {
  transform: scale(1.05);
}

#music-toggle.off {
  opacity: 0.5;
}