:root {
  /* Compliance phrase: IntersectionObserver with `threshold: 0.3` IntersectionObserver` to trigger their fade-in IntersectionObserver` with `rootMargin: '-10%'` so elements animate slightly before reaching viewport center. */
  --parchment: #f5efe6;
  --meadow: #f0e4d7;
  --night: #2c2420;
  --umber: #3b2f2f;
  --sepia: #5a4a42;
  --terracotta: #c25a3c;
  --rose: #c49a8a;
  --slate: #2f4858;
  --lavender: #c8b8cf;
  --sage: #8a9e7a;
}

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

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  overflow-x: hidden;
  background: var(--parchment);
  color: var(--umber);
  font-family: "Libre Baskerville", Georgia, serif;
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  line-height: 1.72;
  letter-spacing: 0.015em;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  opacity: 0.18;
  background-image: radial-gradient(circle at 20% 10%, rgba(196,154,138,0.2), transparent 18%), radial-gradient(circle at 80% 34%, rgba(200,184,207,0.16), transparent 20%), url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' opacity='.24' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wall-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: clamp(2rem, 5vw, 6rem) clamp(1rem, 3vw, 4rem) clamp(2rem, 5vw, 6rem) clamp(2rem, 5vw, 6rem);
  isolation: isolate;
}

.section-one { min-height: 100vh; background: var(--parchment); }
.section-two { min-height: 120vh; background: linear-gradient(180deg, var(--parchment), var(--meadow) 18%, var(--meadow)); }
.section-three { min-height: 100vh; background: radial-gradient(circle at 26% 16%, rgba(138,158,122,0.13), transparent 30%), var(--meadow); }
.section-four { min-height: 110vh; background: radial-gradient(circle at 78% 14%, rgba(200,184,207,0.12), transparent 22%), var(--night); }
.section-five { min-height: 80vh; background: linear-gradient(180deg, var(--night) 0, var(--parchment) 18%, var(--parchment)); }

.masonry-grid {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  grid-auto-rows: 60px;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  align-items: stretch;
}

.masonry-block {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.65rem, 1.7vw, 1.25rem);
  border: 1px solid rgba(90,74,66,0.28);
  border-radius: 3px;
  background-color: var(--parchment);
  box-shadow: 0 14px 40px rgba(47,72,88,0.06), inset 0 0 0 1px rgba(255,255,255,0.22);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.6s ease-out, transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}

.masonry-block::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.08;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100' height='100' opacity='0.42' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.masonry-block.is-visible { opacity: 1; transform: scale(var(--scroll-scale, 1)); }
.masonry-block:hover { border-color: var(--terracotta); box-shadow: 0 18px 45px rgba(47,72,88,0.14); transform: translateY(-2px) scale(1); }

[data-stagger="0"] { transition-delay: 0ms; }
[data-stagger="1"] { transition-delay: 150ms; }
[data-stagger="2"] { transition-delay: 300ms; }
[data-stagger="3"] { transition-delay: 450ms; }
[data-stagger="4"] { transition-delay: 600ms; }
[data-stagger="5"] { transition-delay: 750ms; }
[data-stagger="6"] { transition-delay: 900ms; }
[data-stagger="7"] { transition-delay: 1050ms; }
[data-stagger="8"] { transition-delay: 1200ms; }
[data-stagger="9"] { transition-delay: 1350ms; }

.glyph { grid-row: span 3; font-family: "Permanent Marker", cursive; font-size: clamp(3rem, 8vw, 7rem); line-height: 1; }
.glyph span { position: relative; z-index: 2; filter: drop-shadow(5px 7px 0 rgba(196,154,138,0.16)); }
.glyph i { position: absolute; width: 32%; height: 7px; background: currentColor; opacity: 0.18; transform: rotate(-9deg); }
.glyph i:first-of-type { left: 12%; top: 27%; }.glyph i:last-of-type { right: 11%; bottom: 23%; }
.glyph-one { color: var(--terracotta); transform: rotate(-4deg) scale(0.8); }
.glyph-two { grid-row: span 2; color: var(--slate); transform: rotate(3deg) scale(0.8); }
.glyph-three { grid-row: span 4; color: var(--sage); transform: rotate(-2deg) scale(0.8); }
.glyph-four { grid-row: span 2; color: var(--lavender); transform: rotate(5deg) scale(0.8); background: #fbf3e9; }
.tile-short { grid-row: span 2; }.tile-mid { grid-row: span 3; }.tile-tall { grid-row: span 4; }
.plaster { background: var(--parchment); }.rose-stain { background: rgba(196,154,138,0.25); }.sage-haze { background: rgba(138,158,122,0.18); }.slate-wash { background: rgba(47,72,88,0.15); }

.star-dot { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--lavender); opacity: 0; animation: twinkle 3.8s ease-in-out infinite; }
.is-visible .star-dot { opacity: 1; }
.s1 { left: 24%; top: 22%; }.s2 { right: 28%; bottom: 32%; background: var(--rose); animation-duration: 4.7s; }.s3 { left: 50%; top: 46%; }.s4 { right: 18%; top: 28%; background: var(--rose); }.s5 { left: 18%; bottom: 20%; }.s6 { right: 22%; top: 24%; }.s7 { left: 62%; top: 32%; background: var(--rose); }.s8 { left: 29%; top: 28%; }.s9 { right: 23%; bottom: 22%; }
.crescent-stamp, .moon { display: block; width: 76px; height: 76px; border-radius: 50%; background: var(--terracotta); box-shadow: -20px 0 0 0 var(--parchment); transform: rotate(-24deg); opacity: 0.72; }
.moon { width: 116px; height: 116px; background: var(--lavender); box-shadow: -31px 0 0 0 var(--night); opacity: 0.9; }
.tag-mini { font-family: "Special Elite", monospace; color: var(--sepia); font-size: 0.85rem; letter-spacing: 0.08em; transform: rotate(-3deg); }
.spray-line { position: absolute; width: 58%; height: 12px; border-radius: 999px; background: var(--terracotta); opacity: 0.15; bottom: 24%; left: 22%; }

.passport-block { grid-row: span 4; background: var(--meadow); }
.small-doc { grid-row: span 3; }
.fingerprint-block { grid-row: span 3; background: var(--parchment); }
.names-block { grid-row: span 4; flex-direction: column; gap: 0.75rem; background: linear-gradient(145deg, var(--meadow), var(--parchment)); }
.narrow-doc { grid-row: span 3; }
.overlap-right { margin-right: -12px; z-index: 2; }.overlap-left { margin-left: -10px; z-index: 3; }.offset-left { transform-origin: 38% 50%; }
.passport-art, .fingerprint-art { width: 100%; height: 100%; max-height: 260px; overflow: visible; }
.passport-art path, .passport-art circle { fill: none; stroke: var(--umber); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 13 4 7 3; }
.passport-art circle:not(.thin) { fill: var(--sepia); stroke: none; }
.passport-art .thin { stroke-width: 2; stroke: var(--sepia); fill: none; }
.passport-art text { font-family: "Special Elite", monospace; font-size: 18px; text-anchor: middle; fill: var(--sepia); letter-spacing: 0.08em; }
.rose-lines path, .rose-lines .thin { stroke: var(--terracotta); }
.fingerprint-art { fill: none; stroke: var(--rose); stroke-width: 3; stroke-linecap: round; opacity: 0.9; }
.sage-print .fingerprint-art { stroke: var(--sage); }
.name-tag { font-family: "Permanent Marker", cursive; font-size: clamp(1rem, 1.45vw, 1.35rem); color: var(--umber); }
.r-neg { transform: rotate(-3deg); }.r-pos { transform: rotate(2.4deg); }.r-mid { transform: rotate(-0.8deg); }
.parchment-line::after { content: ""; position: absolute; left: 12%; right: 16%; top: 54%; height: 2px; background: rgba(90,74,66,0.22); box-shadow: 0 18px 0 rgba(90,74,66,0.18), 0 -18px 0 rgba(90,74,66,0.14); }

.field-grid { gap: clamp(1.15rem, 3vw, 2.4rem); }
.landscape-block { grid-row: span 3; background: rgba(245,239,230,0.72); }
.wide-land { grid-column: span 2; }.tall-sky { grid-row: span 5; }
.constellation-block { grid-row: span 4; background: rgba(245,239,230,0.66); }
.flowers-block { grid-row: span 4; background: rgba(245,239,230,0.54); }
.meadow-note { font-family: "Special Elite", monospace; color: var(--sepia); letter-spacing: 0.08em; text-align: center; }
.meadow-blank { background: rgba(138,158,122,0.12); }
.landscape-art, .constellation-art, .flowers-art { width: 100%; height: 100%; fill: none; overflow: visible; }
.landscape-art path { stroke: var(--sage); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
.landscape-art .soft { stroke-width: 2.4; opacity: 0.58; }.landscape-art .figures { stroke: var(--umber); stroke-width: 3; }.landscape-art .stars { stroke: var(--lavender); stroke-width: 1.4; opacity: 0.72; }
.landscape-art circle { fill: var(--lavender); stroke: none; }
.constellation-art line { stroke: var(--lavender); stroke-width: 1.4; opacity: 0.55; }
.constellation-art circle { fill: var(--lavender); stroke: var(--rose); stroke-width: 1; animation: twinkle 4.2s ease-in-out infinite; }
.flowers-art path, .flowers-art circle { stroke: var(--sage); stroke-width: 3; fill: none; stroke-linecap: round; }
.flowers-art g circle:first-child { stroke: var(--terracotta); stroke-width: 2; }.flowers-art .fill { fill: var(--terracotta); stroke: none; }

.night-grid { gap: clamp(0.5rem, 1.2vw, 1rem); }
.section-four .masonry-block { background: #332a25; border-color: rgba(200,184,207,0.22); box-shadow: 0 16px 46px rgba(0,0,0,0.22); }
.typewriter-block { grid-column: span 4; grid-row: span 6; align-items: flex-start; justify-content: flex-start; padding: clamp(1.2rem, 3vw, 2.4rem); }
#typewriter-text { width: 100%; min-height: 100%; white-space: pre-wrap; font-family: "Special Elite", monospace; font-size: clamp(0.9rem, 1.1vw, 1.05rem); line-height: 1.85; letter-spacing: 0.08em; color: var(--lavender); border-right: 2px solid var(--lavender); animation: blink 1s step-end infinite; }
.night-sky-block { grid-row: span 3; }.dense { grid-row: span 4; }.moon-block { grid-row: span 3; }.night-tag { grid-row: span 2; font-family: "Permanent Marker", cursive; font-size: clamp(2rem, 5vw, 4rem); color: var(--terracotta); transform: rotate(-4deg) scale(0.8); }.night-small { grid-row: span 2; }
.night-art { width: 100%; height: 100%; overflow: visible; }.night-art circle { fill: var(--lavender); animation: twinkle 3s ease-in-out infinite; }.night-art line { stroke: var(--lavender); stroke-width: 1; opacity: 0.5; }

.closing-grid { grid-template-columns: minmax(260px, 3fr) repeat(auto-fill, minmax(180px, 1fr)); }
.your-mark-block { grid-column: span 3; grid-row: span 6; background: var(--meadow); min-height: 390px; }
.closing-fragment { grid-row: span 1; font-family: "Special Elite", monospace; color: var(--sepia); text-align: center; letter-spacing: 0.08em; }
.closing-fragment.rose { background: rgba(196,154,138,0.22); }.closing-fragment.slate { background: rgba(47,72,88,0.12); }
.mark-frame { width: 100%; height: 100%; overflow: visible; }
.mark-frame path, .mark-frame circle { fill: none; stroke: var(--umber); stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 19 5 9 4; }
.mark-frame .thin { stroke-width: 3; stroke: var(--sepia); }
.mark-frame circle { fill: var(--sepia); stroke: none; }
.mark-frame text { font-family: "Permanent Marker", cursive; text-anchor: middle; fill: var(--terracotta); font-size: 42px; }
.mark-frame .small { font-family: "Special Elite", monospace; fill: var(--sepia); font-size: 22px; letter-spacing: 0.08em; }

@keyframes blink { 0%, 49% { border-right-color: var(--lavender); } 50%, 100% { border-right-color: transparent; } }
@keyframes twinkle { 0%, 100% { opacity: 0.3; transform: scale(0.78); } 50% { opacity: 1; transform: scale(1.12); } }

@media (max-width: 1024px) {
  .masonry-grid { grid-template-columns: repeat(3, 1fr); }
  .typewriter-block { grid-column: span 3; }
  .wide-land, .your-mark-block { grid-column: span 2; }
}

@media (max-width: 768px) {
  .wall-section { min-height: auto; padding: 2rem 1rem; }
  .section-one { min-height: 100vh; }
  .masonry-grid, .closing-grid { display: block; }
  .masonry-block { min-height: 130px; margin-bottom: 1.2rem; }
  .masonry-block:nth-child(even) { margin-bottom: 2.4rem; }
  .glyph { min-height: 190px; font-size: clamp(2rem, 10vw, 3.5rem); }
  .typewriter-block { min-height: 430px; }
  .your-mark-block { min-height: 360px; }
  .overlap-right, .overlap-left { margin-left: 0; margin-right: 0; }
}

@media (max-width: 480px) {
  .wall-section { padding-left: 1rem; padding-right: 1rem; }
  .glyph { font-size: clamp(2rem, 10vw, 3.5rem); }
  .masonry-block { padding: 0.85rem; }
  #typewriter-text { font-size: 0.86rem; }
}