/* ================================================
   0. CSS Custom Properties
   ================================================ */
:root {
  /* Colors */
  --color-bg:           #faf5f7;
  --color-text-primary: #3d2b3d;
  --color-text-body:    #6b5a6b;
  --color-text-muted:   #a08898;
  --color-text-light:   #b08a9a;
  --color-text-accent:  #c0a8b4;
  --color-accent:       #8a4060;
  --color-accent-soft:  #dc78a0;
  --color-tag-bg:       rgba(220, 120, 160, 0.12);
  --color-tag-text:     #b0607a;

  /* Glass */
  --glass-bg:           rgba(255, 255, 255, 0.45);
  --glass-bg-hover:     rgba(255, 255, 255, 0.55);
  --glass-bg-elevated:  rgba(255, 255, 255, 0.55);
  --glass-bg-subtle:    rgba(255, 255, 255, 0.25);
  --glass-border:       rgba(255, 255, 255, 0.6);
  --glass-border-elevated: rgba(255, 255, 255, 0.7);
  --glass-blur:         40px;
  --glass-blur-elevated: 60px;
  --glass-blur-subtle:  20px;

  /* Orb colors */
  --orb-pink:    radial-gradient(circle, rgba(220, 130, 170, 0.55) 0%, rgba(220, 130, 170, 0) 70%);
  --orb-purple:  radial-gradient(circle, rgba(170, 120, 200, 0.45) 0%, rgba(170, 120, 200, 0) 70%);
  --orb-blue:    radial-gradient(circle, rgba(120, 170, 210, 0.40) 0%, rgba(120, 170, 210, 0) 70%);
  --orb-rose:    radial-gradient(circle, rgba(200, 140, 160, 0.35) 0%, rgba(200, 140, 160, 0) 70%);

  /* Spacing */
  --section-py:    6rem;
  --section-py-sm: 9rem;

  /* Fonts */
  --font-serif: 'Noto Serif SC', Georgia, serif;
  --font-hand:  'Dancing Script', cursive;

  /* Transitions */
  --ease-glass: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}


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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-serif);
  background: var(--color-bg);
  color: var(--color-text-body);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

body::-webkit-scrollbar {
  width: 6px;
}
body::-webkit-scrollbar-track {
  background: transparent;
}
body::-webkit-scrollbar-thumb {
  background: rgba(200, 160, 176, 0.3);
  border-radius: 3px;
}

::selection {
  background: rgba(220, 120, 160, 0.2);
  color: inherit;
}

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


/* ================================================
   2. Glass Panel System
   ================================================ */
.glass-panel {
  backdrop-filter: blur(var(--glass-blur)) saturate(1.8) brightness(1.1);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.8) brightness(1.1);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all 0.4s var(--ease-glass);
  position: relative;
  box-shadow:
    0 0 0 0.5px rgba(255, 255, 255, 0.3),
    0 8px 32px rgba(0, 0, 0, 0.04),
    0 2px 8px rgba(0, 0, 0, 0.02),
    inset 0 1px rgba(255, 255, 255, 0.8),
    inset 0 -1px rgba(0, 0, 0, 0.02);
}

.glass-panel:hover {
  background: var(--glass-bg-hover);
  transform: translateY(-2px);
  box-shadow:
    0 0 0 0.5px rgba(255, 255, 255, 0.4),
    0 12px 48px rgba(0, 0, 0, 0.06),
    0 4px 12px rgba(0, 0, 0, 0.03),
    inset 0 1px rgba(255, 255, 255, 0.9),
    inset 0 -1px rgba(0, 0, 0, 0.02);
}

.glass-panel-elevated {
  backdrop-filter: blur(var(--glass-blur-elevated)) saturate(2) brightness(1.15);
  -webkit-backdrop-filter: blur(var(--glass-blur-elevated)) saturate(2) brightness(1.15);
  background: var(--glass-bg-elevated);
  border: 1px solid var(--glass-border-elevated);
  transition: all 0.5s var(--ease-glass);
  position: relative;
  box-shadow:
    0 0 0 0.5px rgba(255, 255, 255, 0.4),
    0 16px 64px rgba(0, 0, 0, 0.06),
    0 4px 16px rgba(0, 0, 0, 0.03),
    inset 0 1.5px rgba(255, 255, 255, 0.9),
    inset 0 -0.5px rgba(0, 0, 0, 0.03);
}

.glass-panel-subtle {
  backdrop-filter: blur(var(--glass-blur-subtle)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur-subtle)) saturate(1.4);
  background: var(--glass-bg-subtle);
  border: 1px solid rgba(255, 255, 255, 0.35);
  position: relative;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.02),
    inset 0 1px rgba(255, 255, 255, 0.6);
}

/* Specular highlight overlay */
.glass-specular::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.8),
    rgba(255, 255, 255, 0.2) 40%,
    transparent 60%,
    rgba(255, 255, 255, 0.15)
  );
  padding: 1px;
  mask-image: linear-gradient(#fff 0 0), linear-gradient(#fff 0 0);
  mask-clip: content-box, border-box;
  mask-composite: exclude;
  -webkit-mask-image: linear-gradient(#fff 0 0), linear-gradient(#fff 0 0);
  -webkit-mask-clip: content-box, border-box;
  -webkit-mask-composite: xor;
}


/* ================================================
   3. Floating Orbs Background
   ================================================ */
.floating-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(30px);
  opacity: 0;
  animation-fill-mode: forwards;
}

.orb-1 {
  width: 28rem;
  height: 28rem;
  background: var(--orb-pink);
  top: 3%;
  left: -8%;
  animation: float-slow 20s ease-in-out infinite, orb-fade-in 2s 0.2s ease forwards;
}

.orb-2 {
  width: 24rem;
  height: 24rem;
  background: var(--orb-purple);
  top: 20%;
  right: -6%;
  animation: float-slow-reverse 25s ease-in-out infinite, orb-fade-in 2s 0.5s ease forwards;
}

.orb-3 {
  width: 20rem;
  height: 20rem;
  background: var(--orb-blue);
  top: 46%;
  left: -5%;
  animation: float-slow 22s ease-in-out infinite, orb-fade-in 2s 0.8s ease forwards;
}

.orb-4 {
  width: 22rem;
  height: 22rem;
  background: var(--orb-pink);
  top: 68%;
  right: -7%;
  animation: float-slow-reverse 24s ease-in-out infinite, orb-fade-in 2s 1.1s ease forwards;
}

.orb-5 {
  width: 16rem;
  height: 16rem;
  background: var(--orb-rose);
  top: 85%;
  left: 10%;
  animation: float-slow 18s ease-in-out infinite, orb-fade-in 2s 1.4s ease forwards;
}

.orb-6 {
  width: 18rem;
  height: 18rem;
  background: var(--orb-purple);
  top: 40%;
  right: 15%;
  animation: float-slow-reverse 26s ease-in-out infinite, orb-fade-in 2s 0.6s ease forwards;
}


/* ================================================
   4. Keyframe Animations
   ================================================ */
@keyframes float-slow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25%      { transform: translate(15px, -20px) scale(1.02); }
  50%      { transform: translate(-10px, -35px) scale(0.98); }
  75%      { transform: translate(20px, -15px) scale(1.01); }
}

@keyframes float-slow-reverse {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25%      { transform: translate(-20px, -15px) scale(0.98); }
  50%      { transform: translate(15px, -30px) scale(1.02); }
  75%      { transform: translate(-10px, -20px) scale(1); }
}

@keyframes float-gentle {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

@keyframes orb-fade-in {
  from { opacity: 0; }
  to   { opacity: 0.55; }
}

@keyframes pulse-glow {
  0%, 100% { filter: drop-shadow(0 0 8px rgba(220, 120, 160, 0.3)); }
  50%      { filter: drop-shadow(0 0 20px rgba(220, 120, 160, 0.5)); }
}

@keyframes scroll-bounce {
  0%, 100% { opacity: 0.6; transform: translateY(0); }
  50%      { opacity: 1;   transform: translateY(6px); }
}

@keyframes count-in {
  from { opacity: 0; transform: translateY(100%); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in-scale {
  from { opacity: 0; transform: scale(0); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes slide-in-left {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}


/* ================================================
   5. Hero Section
   ================================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 1rem;
  max-width: 40rem;
  margin: 0 auto;
  opacity: 0;
}

.hero-content.is-visible {
  animation: fade-in-up 0.9s ease forwards;
}

.hero-icon-wrap {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  animation: float-gentle 6s ease-in-out infinite;
}

.hero-icon-wrap:hover {
  transform: translateY(-2px);
}

.hero-heart-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-accent);
  animation: pulse-glow 3s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
  min-height: 1.2em;
}

.hero-subtitle {
  font-size: clamp(0.85rem, 2vw, 1.05rem);
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
  min-height: 1.5em;
}


/* ================================================
   6. Day Counter
   ================================================ */
.counter-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 1rem 1.5rem;
  border-radius: 1.25rem;
  margin-bottom: 3rem;
}

.counter-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 3.5rem;
}

.counter-number {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.counter-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-top: 0.35rem;
  font-weight: 500;
  min-height: 1em;
}

.counter-sep {
  font-size: 1.5rem;
  color: var(--color-text-accent);
  font-weight: 300;
  margin: 0 0.15rem;
  align-self: flex-start;
  padding-top: 0.3rem;
}


/* ================================================
   7. Scroll Hint
   ================================================ */
.scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  animation: scroll-bounce 2.5s ease-in-out infinite;
}

.scroll-text {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-accent);
}

.scroll-arrow {
  width: 1rem;
  height: 1rem;
  color: var(--color-text-accent);
}


/* ================================================
   8. About Section
   ================================================ */
.about-section {
  position: relative;
  z-index: 10;
  padding: var(--section-py) 1rem;
}

.about-card {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2.5rem;
  border-radius: 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.about-avatar {
  flex-shrink: 0;
}

.avatar-placeholder {
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(220, 160, 180, 0.3), rgba(180, 140, 200, 0.2));
}

.about-text {
  flex: 1;
  min-width: 200px;
}

.about-text .section-heading {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  min-height: 1.3em;
}

.about-description {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-text-body);
  min-height: 4em;
}


/* ================================================
   9. Section Headings (shared)
   ================================================ */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-heading {
  font-size: clamp(1.5rem, 4vw, 2.8rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
  min-height: 1.2em;
}

.section-subheading {
  font-size: clamp(0.8rem, 1.5vw, 1rem);
  color: var(--color-text-muted);
  min-height: 1.5em;
}


/* ================================================
   10. Timeline Section
   ================================================ */
.timeline-section {
  position: relative;
  z-index: 10;
  padding: var(--section-py) 1rem;
}

.timeline-line {
  display: none;
}

.timeline-container {
  max-width: 60rem;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  opacity: 0;
  transform: translateX(-40px);
}

.timeline-item.timeline-right {
  transform: translateX(40px);
}

.timeline-item.is-visible {
  opacity: 1;
  transform: translateX(0);
  transition: all 0.7s var(--ease-glass);
}

.timeline-dot {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-dot:hover {
  transform: translateY(-2px);
}

.timeline-icon {
  width: 1rem;
  height: 1rem;
  color: var(--color-accent);
}

.timeline-card {
  flex: 1;
  max-width: 24rem;
  padding: 1.5rem;
  border-radius: 1.25rem;
}

.timeline-image-placeholder {
  width: 100%;
  height: 10rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, rgba(200, 160, 180, 0.15), rgba(160, 140, 200, 0.1));
  margin-bottom: 1rem;
}

.timeline-tag {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-weight: 500;
  margin-bottom: 0.5rem;
  min-height: 1.2em;
  min-width: 2rem;
}

.timeline-date {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
  min-height: 1em;
}

.timeline-card-title {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
  min-height: 1.3em;
}

.timeline-card-desc {
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--color-text-body);
  min-height: 3em;
}


/* ================================================
   11. Gallery Section
   ================================================ */
.gallery-section {
  position: relative;
  z-index: 10;
  padding: var(--section-py) 1rem;
}

.gallery-grid {
  max-width: 52rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 0 1rem;
}

.gallery-slot {
  aspect-ratio: 1;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(220, 160, 180, 0.08), rgba(160, 140, 200, 0.06));
  transition: all 0.4s var(--ease-glass);
}

.gallery-slot:hover {
  transform: translateY(-4px) scale(1.02);
}


/* ================================================
   12. Declaration Section
   ================================================ */
.declaration-section {
  position: relative;
  z-index: 10;
  padding: var(--section-py) 1rem;
}

.declaration-card {
  max-width: 38rem;
  margin: 0 auto;
  padding: 3rem 2.5rem;
  border-radius: 1.5rem;
  text-align: center;
}

.declaration-heart {
  margin-bottom: 1.5rem;
}

.declaration-heart svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-accent);
  margin: 0 auto;
  animation: pulse-glow 3s ease-in-out infinite;
}

.declaration-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 300;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
  min-height: 1.3em;
}

.declaration-lead {
  font-size: 0.95rem;
  color: var(--color-text-body);
  margin-bottom: 1.25rem;
  min-height: 1.5em;
}

.declaration-body {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-text-body);
  margin-bottom: 1.5rem;
  min-height: 3em;
}

.declaration-closing {
  font-size: 0.9rem;
  color: var(--color-text-body);
  margin-bottom: 2rem;
  min-height: 1.5em;
}

.declaration-signature {
  font-size: 1rem;
  color: var(--color-accent);
  font-weight: 400;
  min-height: 1.3em;
}


/* ================================================
   13. Footer
   ================================================ */
.site-footer {
  position: relative;
  z-index: 10;
  padding: 4rem 1rem;
  text-align: center;
}

.footer-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-line {
  display: block;
  width: 4rem;
  height: 1px;
  background: rgba(200, 160, 176, 0.2);
}

.footer-heart {
  width: 0.875rem;
  height: 0.875rem;
  color: rgba(200, 160, 176, 0.5);
}

.footer-text {
  font-size: 0.75rem;
  color: var(--color-text-accent);
  letter-spacing: 0.05em;
  min-height: 1.5em;
}


/* ================================================
   14. Reveal Animations (scroll-triggered)
   ================================================ */
.reveal-section .section-header,
.reveal-section .about-card,
.reveal-section .declaration-card,
.reveal-section .gallery-grid {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.7s var(--ease-glass);
}

.reveal-section.is-visible .section-header,
.reveal-section.is-visible .about-card,
.reveal-section.is-visible .declaration-card,
.reveal-section.is-visible .gallery-grid {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-up {
  opacity: 0;
}


/* ================================================
   15. Desktop Layout (md: 768px+)
   ================================================ */
@media (min-width: 768px) {
  :root {
    --section-py: var(--section-py-sm);
  }

  .timeline-line {
    display: block;
    position: absolute;
    left: 50%;
    top: 14rem;
    bottom: 6rem;
    width: 1px;
    background: linear-gradient(to bottom, transparent, rgba(200, 160, 176, 0.25), transparent);
    transform: translateX(-50%);
  }

  .timeline-container {
    gap: 3rem;
  }

  .timeline-item {
    width: 50%;
    position: relative;
  }

  .timeline-item.timeline-left {
    align-self: flex-start;
    padding-right: 2.5rem;
    flex-direction: row-reverse;
  }

  .timeline-item.timeline-right {
    align-self: flex-end;
    padding-left: 2.5rem;
  }

  .timeline-item.timeline-left .timeline-dot {
    position: absolute;
    right: -1.25rem;
  }

  .timeline-item.timeline-right .timeline-dot {
    position: absolute;
    left: -1.25rem;
  }

  .about-card {
    flex-wrap: nowrap;
    padding: 3rem;
  }

  .gallery-grid {
    gap: 1.25rem;
  }

  .counter-unit {
    min-width: 4.5rem;
  }

  .declaration-card {
    padding: 3.5rem;
  }
}


/* ================================================
   16. Small screens (max-width: 480px)
   ================================================ */
@media (max-width: 480px) {
  .orb-1 { width: 16rem; height: 16rem; }
  .orb-2 { width: 14rem; height: 14rem; }
  .orb-3 { width: 12rem; height: 12rem; }
  .orb-4 { width: 14rem; height: 14rem; }
  .orb-5 { width: 10rem; height: 10rem; }
  .orb-6 { width: 12rem; height: 12rem; }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-card {
    padding: 1.5rem;
    gap: 1.25rem;
  }

  .counter-wrap {
    padding: 0.75rem 1rem;
  }

  .counter-unit {
    min-width: 2.8rem;
  }

  .declaration-card {
    padding: 2rem 1.5rem;
  }
}