/* =============================================
   BIRTHDAY WEBSITE - ADVANCED 3D GLASSMORPHISM
   ============================================= */

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

:root {
  --dusty-rose: #C4798E;
  --blush:      #FCE4EC;
  --gold:       #CAA35A;
  --deep-wine:  #5C1F33;
  --bg-light:   #FFFAFB; /* Pearl white */
  --bg-gradient:#F5DDE3;
  
  /* 3D Glass Variables */
  --glass-bg: linear-gradient(135deg, rgba(255,255,255,0.65) 0%, rgba(255,255,255,0.15) 100%);
  --glass-border: 1px solid rgba(255,255,255,0.7);
  --glass-highlight: inset 0 2px 3px rgba(255,255,255,0.9), inset 0 -1px 2px rgba(196,121,142,0.1);
  --glass-shadow: 0 15px 35px rgba(92, 31, 51, 0.15), 0 5px 15px rgba(0,0,0,0.05);
  
  --text:       #4C2B36;
  --text-dim:   rgba(76, 43, 54, 0.8);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', sans-serif;
  background: radial-gradient(circle at 50% 0%, #FFFFFF 0%, var(--bg-gradient) 100%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ================================================
   LOADING SCREEN (Cinematic)
   ================================================ */
body.no-scroll { overflow: hidden; }

.loader-overlay {
  position: fixed;
  inset: 0;
  background: #FFFAFB;
  background: radial-gradient(circle at center, #FFFFFF 0%, #F5DDE3 100%);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 1.2s cubic-bezier(0.8,0,0.2,1), visibility 1.2s;
}
.loader-overlay.hidden {
  opacity: 0;
  visibility: hidden;
}
.loader-content {
  text-align: center;
  animation: pulseLoader 3s infinite ease-in-out;
}
.loader-text {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  color: var(--deep-wine);
  margin-bottom: 2rem;
  line-height: 1.15;
  text-shadow: 2px 2px 0px #fff, 0 8px 20px rgba(92,31,51,0.2);
}
.loader-progress {
  width: 250px;
  height: 3px;
  background: rgba(196,121,142,0.2);
  margin: 0 auto 1.5rem;
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
}
.loader-progress::after {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--gold), var(--dusty-rose));
  box-shadow: 0 0 10px var(--dusty-rose);
}
.loader-progress.start-progress::after {
  animation: loadProgress 3.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
.pulse-fast {
  animation: pulseLoader 1.2s infinite ease-in-out !important;
}
.loader-sub {
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  color: var(--dusty-rose);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-weight: 600;
  opacity: 0.8;
}
@keyframes loadProgress { 0%{width:0%} 35%{width:45%} 70%{width:80%} 100%{width:100%} }
@keyframes pulseLoader { 0%, 100%{opacity:0.85; transform:scale(0.99);} 50%{opacity:1; transform:scale(1.02);} }

#confettiCanvas, .bokeh-bg { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.bokeh-circle {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 70%);
  animation: floatBokeh var(--dur, 10s) ease-in-out infinite var(--delay, 0s);
  opacity: 0;
}
@keyframes floatBokeh { 0%{opacity:0; transform:translateY(50px) scale(0.8);} 30%{opacity:0.6;} 70%{opacity:0.6;} 100%{opacity:0; transform:translateY(-400px) scale(1.3);} }

.container { position: relative; z-index: 2; max-width: 1000px; margin: 0 auto; padding: 0 1.5rem 4rem; }

/* ================================================
   HERO / 3D GALLERY
   ================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 5rem 0 3rem;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

/* 3D Photo Gallery */
.photo-gallery-3d {
  position: relative;
  width: 320px;
  height: 380px;
  margin-bottom: 2rem;
  perspective: 1500px;
  transform-style: preserve-3d;
  animation: fadeInUp 1s cubic-bezier(0.2,0.8,0.2,1) forwards;
}

.glass-frame {
  position: absolute;
  width: 240px;
  height: 330px;
  padding: 12px 12px 0;
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: 12px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--glass-shadow), var(--glass-highlight);
  display: flex;
  flex-direction: column;
  transition: transform 0.6s cubic-bezier(0.2,0.8,0.2,1), box-shadow 0.6s ease;
  overflow: hidden;
}

/* Glossy highlight over the picture */
.glass-shine {
  position: absolute;
  top: 0; left: -100%; width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transform: skewX(-20deg);
  transition: 0.8s;
  pointer-events: none;
}
.photo-gallery-3d:hover .glass-shine {
  left: 150%;
}

.img-wrapper {
  width: 100%;
  height: 250px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: inset 0 2px 5px rgba(0,0,0,0.1);
  position: relative;
}

.frame-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}
.glass-frame:hover .frame-img {
  transform: scale(1.05); /* Slight internal zoom */
}

.frame-caption {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--deep-wine);
  margin-top: auto;
  margin-bottom: 15px;
  text-align: center;
}

/* Positioning & Initial 3D Tilt */
.frame-left {
  top: 20px;
  left: -20px;
  transform: rotate(-8deg) translateZ(20px);
  z-index: 2;
}
.frame-right {
  top: 40px;
  right: -20px;
  transform: rotate(10deg) translateZ(-10px);
  z-index: 1;
}

/* Hero Title Typography */
.pre-title {
  font-size: 1rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
  font-weight: 600;
  text-shadow: 1px 1px 0px #fff;
  animation: fadeInUp 1.2s ease-out forwards;
  opacity: 0;
}

.main-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3.2rem, 8vw, 5.5rem);
  font-weight: 800;
  color: var(--deep-wine);
  line-height: 1.2;
  margin-bottom: 0.5rem;
  /* 3D Emboss Effect */
  text-shadow: 
    2px 2px 0px #fff,
    4px 4px 0px rgba(196,121,142,0.3),
    10px 15px 25px rgba(92,31,51,0.25);
  opacity: 0; 
}

.subtitle {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 600px;
  line-height: 1.7;
  font-weight: 400;
  font-style: italic;
  animation: fadeInUp 1.5s ease-out forwards;
  opacity: 0;
  text-shadow: 1px 1px 0px #fff;
}

/* GLASS BUTTON */
.glass-btn {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.8);
  outline: none;
  cursor: pointer;
  padding: 1.2rem 3.5rem;
  border-radius: 999px;
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--deep-wine);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  box-shadow: 
    0 10px 30px rgba(196,121,142,0.25), 
    inset 0 2px 3px rgba(255,255,255,0.9);
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  margin-top: 1.5rem;
  animation: fadeInUp 1.8s ease-out forwards;
  opacity: 0;
}
.glass-btn:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 
    0 15px 40px rgba(107, 43, 65, 0.3), 
    inset 0 2px 3px rgba(255,255,255,1);
  background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.3) 100%);
}
.glass-btn:active { transform: scale(0.98); }

/* ================================================
   SECTION WISHES (3D GLASS CARDS)
   ================================================ */
.wishes-section { padding: 5rem 0; }
.section-title {
  text-align: center;
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--deep-wine);
  margin-bottom: 3.5rem;
  text-shadow: 2px 2px 0px #fff, 5px 8px 15px rgba(92,31,51,0.15);
}

.wishes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  perspective: 1000px;
}

.glass-card {
  position: relative;
  overflow: hidden;
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: 20px;
  padding: 3rem 2rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  text-align: center;
  box-shadow: var(--glass-shadow), var(--glass-highlight);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  opacity: 0;
  transform-style: preserve-3d;
  z-index: 1;
}
.glass-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.6), transparent 40%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
  z-index: -1;
}
.glass-card:hover::before {
  opacity: 1;
}
.glass-card:hover {
  box-shadow: 0 25px 50px rgba(92, 31, 51, 0.2), var(--glass-highlight);
}
.wish-icon {
  font-size: 2.8rem;
  margin-bottom: 1.5rem;
  transform: translateZ(30px);
  filter: drop-shadow(0 5px 10px rgba(0,0,0,0.1));
}
.glass-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--deep-wine);
  transform: translateZ(20px);
}
.glass-card p {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.8;
  transform: translateZ(10px);
}

/* ================================================
   MESSAGE PLAQUE (3D Glass)
   ================================================ */
.message-section { padding: 4rem 0 8rem; perspective: 1200px; }

.glass-plaque {
  position: relative;
  background: linear-gradient(135deg, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0.4) 100%);
  border: var(--glass-border);
  border-radius: 24px;
  padding: 4.5rem 3.5rem;
  text-align: center;
  max-width: 850px;
  margin: 0 auto;
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  box-shadow: 0 30px 60px rgba(92, 31, 51, 0.15), var(--glass-highlight);
  transform-style: preserve-3d;
}
.plaque-pin {
  position: absolute;
  width: 14px;
  height: 14px;
  background: radial-gradient(circle at 30% 30%, #FFF 0%, var(--gold) 40%, #8a6c1e 100%);
  border-radius: 50%;
  box-shadow: 0 4px 6px rgba(0,0,0,0.3), inset 0 -2px 4px rgba(0,0,0,0.2);
}
.top-left { top: 20px; left: 20px; }
.top-right { top: 20px; right: 20px; }
.bottom-left { bottom: 20px; left: 20px; }
.bottom-right { bottom: 20px; right: 20px; }

.message-text {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  line-height: 1.9;
  color: var(--deep-wine);
  font-style: italic;
  font-weight: 600;
  text-shadow: 1px 1px 0px #fff;
  transform: translateZ(25px);
}
.message-author {
  margin-top: 2.5rem;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.15em;
  color: var(--dusty-rose);
  text-transform: uppercase;
  transform: translateZ(15px);
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
  text-align: center;
  padding: 2.5rem 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}
.heart-beat { display: inline-block; color: var(--dusty-rose); animation: heartBeat 1.5s ease-in-out infinite; }
@keyframes heartBeat {
  0%, 100% { transform: scale(1); }
  15%       { transform: scale(1.3); }
  30%       { transform: scale(1); }
  45%       { transform: scale(1.15); }
}

/* ================================================
   CELEBRATION OVERLAY
   ================================================ */
.celebration-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(8px);
  pointer-events: none;
}
.celebration-text {
  font-family: 'Playfair Display', serif;
  font-weight: 800;
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--deep-wine);
  animation: celebPop 3s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  text-align: center;
  text-shadow: 0 10px 30px #fff, 0 5px 15px rgba(107,43,65,0.4);
}
@keyframes celebPop {
  0%   { opacity: 0; transform: scale(0.8) translateY(20px); }
  20%  { opacity: 1; transform: scale(1) translateY(0); }
  80%  { opacity: 1; transform: scale(1.02) translateY(-10px); }
  100% { opacity: 0; transform: scale(1.1) translateY(-20px); }
}

/* ================================================
   MUSIC TOGGLE 
   ================================================ */
.music-toggle {
  position: fixed; top: 25px; right: 25px;
  width: 45px; height: 45px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: var(--glass-border);
  border-radius: 50%;
  z-index: 1000;
  display: flex; align-items: center; justify-content: center; gap: 3px;
  cursor: pointer;
  box-shadow: var(--glass-shadow);
  opacity: 0; visibility: hidden; transition: 0.4s;
}
.music-toggle.visible { opacity: 1; visibility: visible; }
.music-toggle:hover { transform: scale(1.1); background: rgba(255,255,255,0.8); }
.music-toggle .bar {
  width: 3px; height: 12px; background: var(--dusty-rose);
  border-radius: 2px; animation: equalize 1s infinite ease-in-out;
}
.music-toggle .bar:nth-child(1) { animation-delay: 0.1s; }
.music-toggle .bar:nth-child(2) { animation-delay: 0.3s; }
.music-toggle .bar:nth-child(3) { animation-delay: 0.2s; }
.music-toggle .bar:nth-child(4) { animation-delay: 0.4s; }
.music-toggle.paused .bar { animation: none; height: 4px; }
@keyframes equalize { 0%, 100% { height: 5px; } 50% { height: 18px; } }

/* ================================================
   ANIMATIONS & SCROLLBAR
   ================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-light); }
::-webkit-scrollbar-thumb { background: var(--dusty-rose); border-radius: 8px; }

/* Responsive adjustments */
@media (max-width: 600px) {
  .photo-gallery-3d { width: 280px; height: 340px; }
  .glass-frame { width: 200px; height: 280px; }
  .img-wrapper { height: 200px; }
  .frame-left { transform: rotate(-6deg) translateZ(10px); left: -10px;}
  .frame-right { transform: rotate(8deg) translateZ(-5px); right: -10px;}
  
  .glass-plaque { padding: 3rem 2rem; }
  .message-text { font-size: 1.3rem; }
}