/* ============================================================
   ULTRA-LUXURY WEDDING INVITATION — STYLE SYSTEM
   Theme: Cream / Ivory + Dark Green + Botanical Leaves
   MOBILE-FIRST design — optimized for phones
   ============================================================ */

/* === CSS Variables =========================================== */
:root {
  --bg:           #f5f0e3;
  --bg-warm:      #ece5d5;
  --green:        #3a5a40;
  --green-light:  #5a7a60;
  --green-dark:   #2c4432;
  --green-text:   #3a5a40;
  --cream:        #f5f0e3;
  --cream-soft:   #e8e0d0;
  --white:        #ffffff;
  --white-80:     rgba(255,255,255,.8);
  --white-50:     rgba(255,255,255,.5);
  --shadow:       rgba(0,0,0,.08);

  --ff-display: 'Cinzel', serif;
  --ff-script:  'Great Vibes', cursive;
  --ff-body:    'Cormorant Garamond', serif;
  --ff-sans:    'Inter', sans-serif;

  --gap: 16px;
}

/* === Reset & Base ============================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--green-text);
  font-family: var(--ff-body);
  overflow-x: hidden;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ============================================================
   CINEMATIC INTRO — Movie-style opening
   ============================================================ */
#cinematic-intro {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#intro-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.intro-content {
  position: relative;
  z-index: 2;
  text-align: center;
  pointer-events: none;
  padding: 0 24px;
}

.intro-line {
  font-family: var(--ff-display);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--green);
  opacity: 0;
  transform: translateY(30px);
  will-change: transform, opacity;
}

.intro-line-1 {
  font-size: clamp(0.9rem, 5vw, 2.5rem);
  font-weight: 400;
}

.intro-line-2 {
  font-size: clamp(1.2rem, 7vw, 3.5rem);
  font-weight: 700;
  margin-top: 0.3em;
}

.intro-heart {
  width: clamp(45px, 12vw, 80px);
  margin: 1.5em auto 0;
  opacity: 0;
  transform: scale(0.3);
  will-change: transform, opacity;
}

.intro-heart svg {
  width: 100%;
  filter: drop-shadow(0 0 15px rgba(58,90,64,.3));
}

/* ============================================================
   INVITATION — MAIN WRAPPER
   ============================================================ */
#invitation {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg);
  overflow: hidden;
  transition: opacity 1s ease;
  padding: 20px 0 0;
}

#invitation.invitation-hidden {
  opacity: 0;
  pointer-events: none;
}

#bg-particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* ============================================================
   CORNER BOTANICAL DECORATIONS — Watercolor Images
   Wrapper = fixed position + mirroring
   Inner img = sway animation (no conflict)
   ============================================================ */
.corner-wrap {
  position: absolute;
  width: clamp(80px, 25vw, 220px);
  pointer-events: none;
  z-index: 9999;
  line-height: 0;
}

.corner-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  mix-blend-mode: multiply;
}

/* Position — top corners slightly overlap the photo area */
.corner-tl { top: -5px; left: -5px; }
.corner-tr { top: -5px; right: -5px; transform: scaleX(-1); }
.corner-bl { bottom: -5px; left: -5px; transform: scaleY(-1); }
.corner-br { bottom: -5px; right: -5px; transform: scale(-1, -1); }

/* Sway animations */
@keyframes sway1 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25%      { transform: translate(3px, 2px) rotate(1.2deg); }
  50%      { transform: translate(-2px, 3px) rotate(-0.8deg); }
  75%      { transform: translate(2px, -1px) rotate(1.5deg); }
}
@keyframes sway2 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25%      { transform: translate(-3px, 2px) rotate(-1deg); }
  50%      { transform: translate(2px, 3px) rotate(0.8deg); }
  75%      { transform: translate(-1px, -2px) rotate(-1.3deg); }
}
@keyframes sway3 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25%      { transform: translate(2px, -2px) rotate(0.8deg); }
  50%      { transform: translate(-3px, -1px) rotate(-1.2deg); }
  75%      { transform: translate(1px, 3px) rotate(1deg); }
}
@keyframes sway4 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25%      { transform: translate(-2px, -2px) rotate(-0.8deg); }
  50%      { transform: translate(3px, -2px) rotate(1deg); }
  75%      { transform: translate(-1px, 2px) rotate(-1.2deg); }
}

@keyframes leaf-shimmer {
  0%, 100% { filter: brightness(1); }
  50%      { filter: brightness(1.06); }
}

.corner-sway-1 { animation: sway1 8s ease-in-out infinite; }
.corner-sway-2 { animation: sway2 9s ease-in-out infinite; }
.corner-sway-3 { animation: sway3 10s ease-in-out infinite; }
.corner-sway-4 { animation: sway4 7s ease-in-out infinite; }

/* ============================================================
   PHOTO PANELS — Three vertical strips (mobile-first)
   ============================================================ */
.photo-panels {
  position: relative;
  width: 100%;
  max-width: 420px;
  display: flex;
  gap: 6px;
  padding: 10px 14px 0;
  z-index: 2;
  margin: 0 auto;
}

.photo-panel {
  flex: 1;
  position: relative;
  aspect-ratio: 3/5;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 6px 25px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.05);
  border: 2px solid var(--white);
  background: var(--cream-soft);
}

/* Sliding photo system */
.panel-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.panel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 1.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 2.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.panel-slide.active {
  opacity: 1;
  transform: scale(1);
}

.panel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.panel-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(245,240,227,0) 0%,
    rgba(245,240,227,0) 60%,
    rgba(245,240,227,0.12) 100%
  );
  pointer-events: none;
  z-index: 2;
}

/* Cinematic panel entrance */
.photo-panel {
  opacity: 0;
  transform: translateY(40px) scale(0.95);
}

.photo-panel.revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1),
              transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================================
   VIDEO PANEL (middle)
   ============================================================ */
.video-panel {
  overflow: hidden;
}

.panel-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: absolute;
  inset: 0;
}

/* ============================================================
   DATE OVERLAY — heartbeat animation
   ============================================================ */
.date-overlay {
  position: absolute;
  bottom: 8px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  z-index: 5;
  pointer-events: none;
  gap: 0;
}

.date-num {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 14vw, 8rem);
  color: var(--white);
  text-shadow:
    0 2px 15px rgba(0,0,0,.25),
    0 4px 30px rgba(0,0,0,.15),
    0 1px 2px rgba(0,0,0,.4);
  opacity: 0;
  transform: translateY(15px);
  flex: 1;
  text-align: center;
  letter-spacing: 0.02em;
  will-change: transform;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  14%      { transform: scale(1.06); }
  28%      { transform: scale(1); }
  42%      { transform: scale(1.09); }
  56%      { transform: scale(1); }
}

.date-num.beating {
  animation: heartbeat 2s ease-in-out infinite;
}

.date-num-1.beating { animation-delay: 0s; }
.date-num-2.beating { animation-delay: 0.2s; }
.date-num-3.beating { animation-delay: 0.4s; }

/* ============================================================
   INVITATION TEXT AREA (mobile-first sizing)
   ============================================================ */
.invitation-text {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 28px 20px 0;
  max-width: 500px;
  margin: 0 auto;
}

.invite-tagline {
  font-family: var(--ff-display);
  font-size: clamp(0.7rem, 3.5vw, 1.1rem);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--green);
  line-height: 1.8;
  opacity: 0;
  transform: translateY(15px);
}

.couple-names {
  margin-top: 12px;
  font-family: var(--ff-script);
  font-size: clamp(2.4rem, 13vw, 6.5rem);
  font-weight: 400;
  color: var(--green-dark);
  line-height: 1.1;
  opacity: 0;
  transform: translateY(15px);
}

.couple-amp {
  display: inline-block;
  font-size: 0.5em;
  vertical-align: middle;
  margin: 0 0.1em;
  color: var(--green-light);
  opacity: 0.7;
}

.gold-divider {
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green-light), transparent);
  margin: 12px auto;
  opacity: 0;
}

.venue-address {
  font-family: var(--ff-display);
  font-size: clamp(0.7rem, 3vw, 1rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  opacity: 0;
  transform: translateY(10px);
}

.pin-icon {
  flex-shrink: 0;
  color: var(--green);
}

/* ============================================================
   COUNTDOWN (mobile-first)
   ============================================================ */
.countdown {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  opacity: 0;
  transform: translateY(10px);
}

.cd-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 40px;
}

.cd-num {
  font-family: var(--ff-display);
  font-size: clamp(1.2rem, 6vw, 2.4rem);
  font-weight: 700;
  color: var(--green-dark);
  line-height: 1;
}

.cd-label {
  font-family: var(--ff-sans);
  font-size: 0.5rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-top: 3px;
  opacity: 0.6;
}

.cd-sep {
  font-family: var(--ff-display);
  font-size: clamp(1rem, 4vw, 2rem);
  color: var(--green-light);
  align-self: flex-start;
  margin-top: 2px;
  opacity: 0.3;
}

/* ============================================================
   FOOTER — simple
   ============================================================ */
.inv-footer {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 16px 16px 20px;
  margin-top: auto;
  opacity: 0;
  transform: translateY(10px);
}

.footer-love {
  font-family: var(--ff-sans);
  font-size: 0.6rem;
  color: var(--green-light);
  letter-spacing: 0.15em;
  opacity: 0.3;
}

/* ============================================================
   TABLET / DESKTOP ENHANCEMENTS
   ============================================================ */
@media (min-width: 481px) {
  :root {
    --gap: clamp(16px, 4vw, 40px);
  }
  .photo-panels {
    max-width: 600px;
    gap: 10px;
    padding: 20px 20px 0;
  }
  .photo-panel {
    border-radius: 10px;
    border-width: 3px;
  }
  .invitation-text {
    padding: 30px 24px 0;
  }
  .corner-wrap {
    width: clamp(120px, 22vw, 260px);
  }
}

@media (min-width: 769px) {
  .photo-panels {
    max-width: 860px;
    gap: 18px;
    padding: 40px var(--gap) 0;
  }
  .photo-panel {
    border-radius: 12px;
  }
  .invitation-text {
    padding: 50px var(--gap) 0;
    max-width: 700px;
  }
  .couple-names {
    margin-top: 24px;
  }
  .gold-divider {
    margin: 24px auto;
  }
  .countdown {
    gap: 24px;
    margin-top: 32px;
  }
  .inv-footer {
    padding: 40px var(--gap) 60px;
  }
}

@media (min-height: 750px) {
  #invitation {
    justify-content: center;
  }
}

/* ============================================================
   NO PHOTOS FALLBACK
   ============================================================ */
.no-photo {
  background: linear-gradient(135deg, var(--cream-soft), var(--bg-warm));
  display: flex;
  align-items: center;
  justify-content: center;
}

.no-photo::after {
  content: '📷';
  font-size: 1.5rem;
  opacity: 0.2;
}

.no-photo img {
  display: none;
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar {
  width: 3px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--green-light);
  border-radius: 3px;
}