/* ============================================================
   Museum of Us — REDESIGN PROTOTYPE
   Direction: "Midnight Constellation"
   - deep-space navy instead of powder blue
   - vertical scroll story instead of 3D book
   - glassmorphism panels, aurora glows, gold accents
   - Fraunces (display) / Manrope (body)
   ============================================================ */

:root {
  --bg: #070B1A;
  --bg-2: #0B1026;
  --panel: rgba(148, 178, 235, 0.055);
  --panel-border: rgba(168, 199, 250, 0.14);
  --ink: #EAF1FF;
  --ink-soft: #A9B8DC;
  --ink-faint: #66739B;
  --blue: #6D9BF5;
  --blue-soft: #A8C7FA;
  --violet: #8F7BF0;
  --gold: #E3B878;             /* the single warm accent */
  --shadow: 4, 8, 24;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --font-hand: "Ma Shan Zheng", "Caveat", cursive;

  --ease-out: cubic-bezier(.22, .9, .28, 1);
  --pad: clamp(20px, 5vw, 72px);
}

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

html { scroll-behavior: smooth; }

body {
  min-height: 100svh;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--ink);
  background:
    radial-gradient(ellipse 90% 60% at 70% -10%, rgba(109, 155, 245, .16), transparent 60%),
    radial-gradient(ellipse 70% 50% at 8% 30%, rgba(143, 123, 240, .10), transparent 60%),
    radial-gradient(ellipse 80% 55% at 90% 85%, rgba(227, 184, 120, .06), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 45%, var(--bg) 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

body.locked { overflow: hidden; }

img { max-width: 100%; display: block; -webkit-user-drag: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
[hidden] { display: none !important; }

/* ---------------- backdrop layers ---------------- */

.sky {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}

.grain {
  position: fixed; inset: -50%;
  z-index: 1; pointer-events: none;
  opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-shift 1.1s steps(4) infinite;
}
@keyframes grain-shift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-1.5%, 1%); }
  50% { transform: translate(1%, -1.5%); }
  75% { transform: translate(-1%, -.5%); }
  100% { transform: translate(0, 0); }
}

/* ============================================================
   GATE — press & hold orb
   ============================================================ */

.gate {
  position: fixed; inset: 0; z-index: 90;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  background:
    radial-gradient(ellipse 70% 50% at 50% 68%, rgba(109, 155, 245, .12), transparent 65%),
    linear-gradient(180deg, #05070F 0%, var(--bg-2) 100%);
  transition: opacity .9s ease, visibility .9s;
}

.gate.is-leaving { opacity: 0; visibility: hidden; pointer-events: none; }

.gate-inner {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; gap: 0;
  animation: gate-in 1.4s var(--ease-out) both;
}
@keyframes gate-in {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: none; }
}

.gate-kicker {
  font-size: .78rem; font-weight: 500;
  letter-spacing: .34em; text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.6rem;
}

.gate-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.6rem, 9vw, 5.2rem);
  line-height: 1.02;
  color: var(--ink);
  margin-bottom: 2.6rem;
}
.gate-title .line { display: block; }
.gate-title .italic {
  font-style: italic; font-weight: 300;
  background: linear-gradient(100deg, var(--blue-soft), var(--violet) 70%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* breathing orb — the hold target itself */
.gate-orb {
  position: relative;
  width: clamp(150px, 30vw, 200px);
  height: clamp(150px, 30vw, 200px);
  margin-bottom: 2.4rem;
  border-radius: 50%;
  cursor: pointer;
  touch-action: none;
  user-select: none; -webkit-user-select: none;
  transition: opacity .4s ease, filter .4s ease, transform .4s var(--ease-out);
}
.gate-orb.is-loading {
  cursor: wait;
  pointer-events: none;
}
.gate-orb.is-loading .orb-core {
  filter: brightness(0.85) grayscale(0.2);
}
.gate-orb.is-loading .orb-ring.r1 {
  animation: ring-spin 4s linear infinite;
}
.gate-orb.is-loading .orb-ring.r2 {
  animation: ring-spin 7s linear infinite reverse;
}
.gate-orb.is-loading .op-track {
  stroke: rgba(227, 184, 120, .08);
}
.gate-orb:focus-visible { outline: none; }
.gate-orb:focus-visible .orb-ring.r1 { border-color: rgba(227, 184, 120, .7); }

/* gold progress ring around the orb (SVG) */
.orb-progress {
  position: absolute; inset: -14%;
  width: 128%; height: 128%;
  transform: rotate(-90deg);
  pointer-events: none;
}
.orb-progress circle {
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
}
.op-track { stroke: rgba(227, 184, 120, .15); }
.op-fill {
  stroke: var(--gold);
  stroke-dasharray: 351.86;         /* 2πr, r=56 */
  stroke-dashoffset: 351.86;
  filter: drop-shadow(0 0 6px rgba(227, 184, 120, .8));
  transition: stroke-dashoffset .08s linear;
}

.orb-core {
  position: absolute; inset: 24%;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #110D08;
  box-shadow:
    0 0 24px rgba(255, 248, 225, .65),
    0 0 65px rgba(235, 205, 150, .4),
    0 0 130px rgba(227, 184, 120, .2),
    inset -6px -6px 18px rgba(40, 30, 18, .6),
    inset 3px 3px 8px rgba(255, 255, 255, .7);
  animation: orb-breathe 3.4s ease-in-out infinite;
  transition: transform .3s var(--ease-out), box-shadow .3s;
}
.orb-core .moon-svg {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 50%;
  pointer-events: none;
}
.gate-orb:active .orb-core,
.gate-orb.holding .orb-core {
  animation-play-state: paused;
  transform: scale(.94);
  box-shadow:
    0 0 45px rgba(255, 248, 225, .9),
    0 0 95px rgba(235, 205, 150, .6),
    0 0 160px rgba(227, 184, 120, .38),
    inset -6px -6px 18px rgba(40, 30, 18, .6),
    inset 3px 3px 8px rgba(255, 255, 255, .9);
}
.orb-ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(227, 184, 120, .25);
  transition: border-color .3s;
}
.orb-ring.r1 { animation: ring-spin 14s linear infinite; }
.orb-ring.r2 {
  inset: 10%;
  border-style: dashed;
  border-color: rgba(227, 184, 120, .18);
  animation: ring-spin 22s linear infinite reverse;
}
.orb-ring::after {
  content: '';
  position: absolute; top: -3px; left: 50%;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px var(--gold);
}
/* while holding: rings whirl, run faster via re-triggered quick animation */
.gate-orb.holding .orb-ring.r1 { animation: ring-spin 1.1s linear infinite; border-color: rgba(227, 184, 120, .55); }
.gate-orb.holding .orb-ring.r2 { animation: ring-spin 1.8s linear infinite reverse; border-color: rgba(227, 184, 120, .35); }
@keyframes orb-breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}
@keyframes ring-spin { to { transform: rotate(360deg); } }

/* hint line under the orb */
.gate-line {
  font-size: .92rem; font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink-soft);
  animation: gate-sway 2.6s ease-in-out infinite;
  transition: opacity .3s, color .3s;
}
.gate-line.is-loading {
  opacity: .5;
  font-size: .84rem;
  letter-spacing: .14em;
  color: var(--ink-faint);
}
.gate-orb.holding ~ .gate-line { opacity: .35; }
@keyframes gate-sway {
  0%, 100% { opacity: .65; }
  50% { opacity: 1; }
}

.gate-note {
  margin-top: 1rem;
  font-size: .8rem; font-style: italic;
  color: var(--ink-faint);
  letter-spacing: .06em;
}

/* ---------------- scroll moon (new → full over the page) ---------------- */

.moon {
  position: fixed; top: 78px; right: var(--pad); z-index: 55;
  opacity: 0; transform: translateY(-8px) scale(.8);
  transition: opacity 1s ease .8s, transform 1s var(--ease-out) .8s;
  pointer-events: none;
}
body.unlocked .moon { opacity: 1; transform: none; }
.moon-disc {
  position: relative;
  width: clamp(34px, 5vw, 52px);
  height: clamp(34px, 5vw, 52px);
  border-radius: 50%;
  overflow: hidden;
  background: radial-gradient(circle at 38% 34%, #E8F0FF, #B9CCEE 58%, #8FA8D8);
  box-shadow:
    0 0 18px rgba(200, 220, 255, .4),
    0 0 50px rgba(109, 155, 245, .18);
}
/* shadow covers the disc at the start (new moon),
   retreats right as --phase goes 0 → 1 (full moon at the last page) */
.moon-shadow {
  position: absolute; inset: -2%;
  border-radius: 50%;
  background: #070B1A;
  transform: translateX(calc(var(--phase, 0) * 108%));
  transition: transform .2s linear;
}
.moon-disc::after {   /* craters */
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle 4px at 34% 38%, rgba(90, 110, 150, .35), transparent 60%),
    radial-gradient(circle 3px at 58% 62%, rgba(90, 110, 150, .3), transparent 60%),
    radial-gradient(circle 2.5px at 46% 72%, rgba(90, 110, 150, .28), transparent 60%);
}
@media (max-width: 760px) { .moon { top: 70px; right: 18px; } }

/* ============================================================
   FIXED CHROME
   ============================================================ */

.chrome {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  display: flex; align-items: center; gap: 18px;
  padding: 16px var(--pad);
  opacity: 0; transform: translateY(-8px);
  transition: opacity .8s ease .3s, transform .8s var(--ease-out) .3s;
  pointer-events: none;
}
body.unlocked .chrome { opacity: 1; transform: none; pointer-events: auto; }

.chrome-mark {
  font-family: var(--font-display);
  font-size: 1rem; letter-spacing: .08em;
  color: var(--ink-soft);
  display: inline-flex; align-items: baseline; gap: .35em;
  white-space: nowrap;
}
.chrome-mark b {
  font-weight: 600; font-style: italic;
  color: var(--ink);
  min-width: 2.2ch; text-align: right;
  font-variant-numeric: tabular-nums;
  transition: color .3s;
}
.chrome-mark .dc-sep, .chrome-mark .dc-total {
  color: var(--ink-faint);
  font-size: .82em;
}
.chrome-mark em { color: var(--gold); font-style: normal; font-size: .82em; letter-spacing: .12em; }

.chrome-progress {
  flex: 1; height: 1px;
  background: rgba(168, 199, 250, .14);
  position: relative; overflow: hidden;
}
.chrome-progress i {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--blue), var(--violet));
  transform: scaleX(0); transform-origin: left;
  transition: transform .15s linear;
}

/* music button with equalizer bars */
.music-btn {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(12px);
  display: grid; place-items: center;
  transition: border-color .3s, box-shadow .3s;
}
.music-btn:hover { border-color: rgba(168, 199, 250, .5); box-shadow: 0 0 22px rgba(109,155,245,.2); }
.eq { display: flex; align-items: flex-end; gap: 2.5px; height: 14px; }
.eq i {
  width: 2.5px; border-radius: 2px;
  background: var(--blue-soft);
  height: 30%;
  transition: height .3s;
}
.music-btn[aria-pressed="true"] .eq i { animation: eq-dance 1s ease-in-out infinite; }
.music-btn[aria-pressed="true"] .eq i:nth-child(1) { animation-delay: 0s; }
.music-btn[aria-pressed="true"] .eq i:nth-child(2) { animation-delay: .22s; }
.music-btn[aria-pressed="true"] .eq i:nth-child(3) { animation-delay: .1s; }
.music-btn[aria-pressed="true"] .eq i:nth-child(4) { animation-delay: .32s; }
@keyframes eq-dance { 0%,100% { height: 26%; } 50% { height: 100%; } }

/* rotated side label */
.side-label {
  position: fixed; left: 14px; top: 50%; z-index: 60;
  transform: translateY(-50%) rotate(180deg);
  writing-mode: vertical-rl;
  font-size: .68rem; letter-spacing: .42em; text-transform: uppercase;
  color: var(--ink-faint);
  opacity: 0; transition: opacity 1s ease .6s;
  pointer-events: none;
}
body.unlocked .side-label { opacity: .8; }
@media (max-width: 760px) { .side-label { display: none; } }

/* ============================================================
   STORY — scroll sections
   ============================================================ */

.story { position: relative; z-index: 2; }

.chapter {
  min-height: 100svh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 14vh var(--pad);
  position: relative;
}

.chapter-num {
  font-size: .72rem; font-weight: 600;
  letter-spacing: .4em; text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.2rem;
  display: flex; align-items: center; gap: 14px;
}
.chapter-num::before, .chapter-num::after {
  content: ''; width: 34px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(227, 184, 120, .5));
}
.chapter-num::after { transform: scaleX(-1); }

.chapter-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1.08;
  text-align: center;
  margin-bottom: .6rem;
}
.chapter-title em {
  font-style: italic;
  background: linear-gradient(100deg, var(--blue-soft), var(--violet));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

.chapter-note {
  font-family: var(--font-display); font-style: italic; font-weight: 300;
  font-size: 1.15rem;
  color: var(--ink-faint);
  margin-bottom: 3rem;
}

/* scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(38px);
  transition: opacity .9s ease, transform .9s var(--ease-out);
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .12s; }
.reveal.d2 { transition-delay: .24s; }
.reveal.d3 { transition-delay: .36s; }

/* ---------------- hero (cover) ---------------- */

.hero { text-align: center; }

.hero-eyebrow {
  font-size: .8rem; letter-spacing: .36em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 1.8rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3rem, 11vw, 7.4rem);
  line-height: .98;
}
.hero-title .line { display: block; }
.hero-title .italic {
  font-style: italic;
  background: linear-gradient(100deg, var(--blue-soft) 10%, var(--violet) 60%, var(--gold) 110%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  margin-top: 1.6rem;
  font-size: .95rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--ink-soft);
}

.hero-dates {
  margin-top: 3rem;
  display: flex; align-items: center; gap: 18px; justify-content: center;
  font-family: var(--font-display); font-style: italic;
  color: var(--ink-faint); font-size: 1.05rem;
}
.hero-dates .rule { width: 60px; height: 1px; background: rgba(168, 199, 250, .25); }

.scroll-cue {
  position: absolute; bottom: 5vh; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--ink-faint); font-size: .72rem;
  letter-spacing: .3em; text-transform: uppercase;
}
.scroll-cue::after {
  content: '';
  width: 1px; height: 44px;
  background: linear-gradient(180deg, var(--blue-soft), transparent);
  animation: cue-drop 2s ease-in-out infinite;
}
@keyframes cue-drop {
  0% { transform: scaleY(0); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: top; }
  56% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------------- intro letter panel ---------------- */

.prose-panel {
  max-width: 640px;
  padding: clamp(2rem, 5vw, 3.6rem);
  border-radius: 22px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(18px);
  box-shadow: 0 30px 80px rgba(var(--shadow), .5);
  position: relative;
}
.prose-panel::before {
  content: '“';
  position: absolute; top: -.55em; left: .35em;
  font-family: var(--font-display);
  font-size: 6rem; color: rgba(109, 155, 245, .3);
  pointer-events: none;
}
.prose-panel .lead {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.4vw, 1.9rem);
  font-weight: 300; font-style: italic;
  line-height: 1.35;
  margin-bottom: 1.4rem;
  color: var(--ink);
}
.prose-panel p {
  font-size: 1.02rem; line-height: 1.85;
  color: var(--ink-soft);
  font-weight: 300;
  margin-bottom: 1.1rem;
}
.prose-panel .prose-quote {
  margin: 1.2rem 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.04rem, 2.4vw, 1.15rem);
  line-height: 1.85;
  font-weight: 500;
  color: #FFFFFF;
  letter-spacing: .01em;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.12);
}
.prose-panel .prose-highlight {
  margin: 1.8rem 0 1.2rem;
  padding: 1.1rem 1.4rem;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(227, 184, 120, 0.09), rgba(109, 155, 245, 0.06));
  border: 1px solid rgba(227, 184, 120, 0.28);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25), 0 0 20px rgba(227, 184, 120, 0.08);
  text-align: center;
}
.prose-panel .prose-highlight p.highlight-text {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3.2vw, 1.55rem);
  font-weight: 400;
  font-style: italic;
  letter-spacing: .03em;
  margin-bottom: 0;
  background: linear-gradient(100deg, var(--gold) 20%, #F5E5C9 60%, var(--blue-soft) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 24px rgba(227, 184, 120, .3);
}
.prose-panel .sign {
  margin-top: 1.4rem;
  font-family: var(--font-display); font-style: italic; font-weight: 300;
  font-size: 1.35rem;
  color: var(--blue-soft);
  text-align: right;
}

/* ---------------- polaroid scatter ---------------- */

.scatter {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: clamp(18px, 4vw, 40px);
  max-width: 1080px;
}

.polaroid {
  width: clamp(220px, 30vw, 300px);
  padding: 12px 12px 16px;
  border-radius: 10px;
  background: linear-gradient(170deg, #141B36, #0D1226);
  border: 1px solid var(--panel-border);
  box-shadow: 0 24px 60px rgba(var(--shadow), .55);
  transform: rotate(var(--rot, 0deg));
  transition: transform .5s var(--ease-out), box-shadow .5s;
}
.polaroid:hover {
  transform: rotate(0deg) translateY(-8px) scale(1.03);
  box-shadow: 0 34px 80px rgba(var(--shadow), .7), 0 0 40px rgba(109, 155, 245, .12);
  z-index: 2;
}
.polaroid img {
  width: 100%; aspect-ratio: 1;
  object-fit: cover; border-radius: 6px;
  filter: saturate(1.05);
}
.polaroid .cap {
  margin-top: 12px;
  display: flex; justify-content: space-between; align-items: baseline; gap: 10px;
}
.polaroid .cap .t {
  font-family: var(--font-display); font-style: italic; font-weight: 300;
  font-size: 1.05rem;
  color: var(--ink);
}
.polaroid .cap .d {
  font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-faint); white-space: nowrap;
}

/* ---------------- big feature photo ---------------- */

.feature {
  max-width: 900px; width: 100%;
  display: grid; gap: 1.4rem;
}
.feature .frame {
  border-radius: 20px; overflow: hidden;
  border: 1px solid var(--panel-border);
  box-shadow: 0 40px 100px rgba(var(--shadow), .6);
  position: relative;
}
.feature .frame::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(200deg, rgba(168,199,250,.12), transparent 40%);
  pointer-events: none;
}
.feature img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}
.feature .cap {
  font-family: var(--font-display); font-style: italic;
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  color: var(--ink-soft);
  text-align: center;
}
.feature .cap::before { content: '— '; color: var(--gold); }

/* ---------------- month timeline ---------------- */

.timeline {
  width: min(860px, 100%);
  display: grid; gap: 0;
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute; left: 19px; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(109,155,245,.35) 8%, rgba(143,123,240,.35) 92%, transparent);
}

.t-month {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 20px;
  padding: 18px 0;
  cursor: pointer;
  background: none; border: 0; text-align: left;
  color: inherit;
  position: relative;
}
.t-dot {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  position: relative; z-index: 1;
}
.t-dot::before {
  content: '';
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--bg-2);
  border: 2px solid var(--blue);
  box-shadow: 0 0 0 4px rgba(11, 16, 38, 1), 0 0 14px rgba(109,155,245,.5);
  transition: background .3s, transform .3s;
}
.t-month:hover .t-dot::before,
.t-month:focus-visible .t-dot::before {
  background: var(--gold); border-color: var(--gold);
  transform: scale(1.25);
  box-shadow: 0 0 0 4px rgba(11, 16, 38, 1), 0 0 18px rgba(227,184,120,.6);
}
.t-body {
  display: grid; grid-template-columns: 148px 1fr auto;
  align-items: center; gap: 22px;
  padding: 18px 24px 18px 18px;
  border-radius: 18px;
  background: var(--panel);
  border: 1px solid transparent;
  backdrop-filter: blur(10px);
  transition: border-color .35s, background .35s, transform .35s var(--ease-out);
}
.t-month:hover .t-body,
.t-month:focus-visible .t-body {
  border-color: var(--panel-border);
  background: rgba(148, 178, 235, .09);
  transform: translateX(6px);
  outline: none;
}
.t-thumb {
  width: 148px; height: 104px;
  object-fit: cover; border-radius: 12px;
  border: 1px solid var(--panel-border);
  transition: transform .45s var(--ease-out), box-shadow .45s, border-color .45s;
}
.t-month:hover .t-thumb,
.t-month:focus-visible .t-thumb {
  transform: scale(1.12) rotate(-1.5deg);
  border-color: rgba(227, 184, 120, .45);
  box-shadow: 0 14px 34px rgba(var(--shadow), .55), 0 0 26px rgba(109, 155, 245, .15);
}
.t-text .m {
  font-family: var(--font-display);
  font-size: 1.25rem; font-weight: 500;
  display: flex; align-items: baseline; gap: 10px;
}
.t-text .m small {
  font-family: var(--font-body);
  font-size: .68rem; letter-spacing: .2em;
  color: var(--ink-faint);
}
.t-text .n {
  margin-top: 4px;
  font-family: var(--font-display); font-style: italic; font-weight: 300;
  font-size: 1rem; color: var(--ink-soft);
}
.t-arrow {
  color: var(--ink-faint);
  font-size: 1.2rem;
  transition: transform .3s, color .3s;
}
.t-month:hover .t-arrow { transform: translateX(4px); color: var(--gold); }

@media (max-width: 560px) {
  .t-body { grid-template-columns: 104px 1fr; padding: 12px 14px; gap: 14px; }
  .t-thumb { width: 104px; height: 76px; }
  .t-arrow { display: none; }
  .t-text .m { font-size: 1.05rem; }
}

/* ---------------- chat ---------------- */

.chat-wrap {
  width: min(620px, 100%);
  display: flex; flex-direction: column; gap: 16px;
}
.bubble-row { display: flex; }
.bubble-row.me { justify-content: flex-end; }
.bubble {
  max-width: 78%;
  padding: 14px 18px;
  border-radius: 20px;
  font-size: .98rem; line-height: 1.6; font-weight: 300;
  position: relative;
}
.bubble-row.you .bubble {
  background: rgba(148, 178, 235, .1);
  border: 1px solid var(--panel-border);
  border-bottom-left-radius: 6px;
  color: var(--ink);
}
.bubble-row.me .bubble {
  background: linear-gradient(135deg, rgba(109, 155, 245, .3), rgba(143, 123, 240, .28));
  border: 1px solid rgba(109, 155, 245, .3);
  border-bottom-right-radius: 6px;
  color: var(--ink);
}
.bubble .time {
  display: block;
  margin-top: 6px;
  font-size: .64rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-faint);
}
.bubble-row.me .bubble .time { text-align: right; }

/* ---------------- little things — chips ---------------- */

.chips {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 14px; max-width: 760px;
}
.chip {
  padding: 14px 22px;
  border-radius: 999px;
  background: var(--panel);
  backdrop-filter: blur(10px);
  font-family: var(--font-display); font-style: italic; font-weight: 300;
  font-size: 1.15rem;
  color: var(--ink);
  transition: transform .35s var(--ease-out), border-color .35s, box-shadow .35s;
}
.chip:nth-child(odd) { transform: rotate(-1.2deg); }
.chip:nth-child(even) { transform: rotate(1.1deg); }
.chip:hover {
  transform: rotate(0) translateY(-4px);
  border-color: rgba(227, 184, 120, .45);
  box-shadow: 0 12px 34px rgba(var(--shadow), .5), 0 0 24px rgba(227, 184, 120, .12);
}

/* ---------------- sealed letter ---------------- */

.letter-stage { max-width: 640px; width: 100%; }

.envelope {
  width: 100%;
  padding: clamp(2.4rem, 6vw, 4rem);
  border-radius: 22px;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(227, 184, 120, .08), transparent 60%),
    var(--panel);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(18px);
  text-align: center;
  cursor: pointer;
  transition: border-color .4s, box-shadow .4s, transform .4s var(--ease-out);
}
.envelope:hover { border-color: rgba(227,184,120,.4); box-shadow: 0 0 50px rgba(227,184,120,.1); transform: translateY(-4px); }

.seal {
  width: 84px; height: 84px;
  margin: 0 auto 1.6rem;
  border-radius: 50%;
  display: grid; place-items: center;
  background: radial-gradient(circle at 34% 28%, #F2D3A0, var(--gold) 55%, #9A6E35);
  box-shadow: 0 8px 26px rgba(227, 184, 120, .3), inset 0 -4px 10px rgba(120, 80, 20, .4);
  font-family: var(--font-display);
  font-size: 1.7rem; color: #2A1E0C;
  transition: transform .5s var(--ease-out);
}
.envelope:hover .seal { transform: scale(1.08) rotate(-6deg); }

.envelope .seal-hint {
  font-size: .78rem; letter-spacing: .28em; text-transform: uppercase;
  color: var(--ink-faint);
}

.letter-body {
  margin-top: 2rem;
  text-align: left;
}
.letter-body p {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.05rem, 2.6vw, 1.25rem);
  line-height: 1.9;
  color: var(--ink);
  margin-bottom: 1.3rem;
}
.letter-body .letter-quote {
  margin: 1.4rem 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.08rem, 2.6vw, 1.25rem);
  line-height: 1.85;
  font-weight: 500;
  color: #FFFFFF;
  letter-spacing: .01em;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.12);
  padding-left: 0;
  border-left: none;
}
.letter-body .sign {
  font-family: var(--font-display); font-style: italic; font-weight: 300;
  font-size: 1.4rem; color: var(--gold);
  text-align: right; margin-top: 1.8rem;
}

/* letter open animation */
.letter-body.reveal-letter p,
.letter-body.reveal-letter blockquote {
  opacity: 0; transform: translateY(16px);
  animation: letter-line .8s var(--ease-out) forwards;
  animation-delay: calc(var(--idx, 0) * .2s);
}
@keyframes letter-line { to { opacity: 1; transform: none; } }
/* ---------------- studio page ---------------- */

.studio-cta {
  max-width: 620px; text-align: center;
}
.studio-cta p.body {
  font-size: 1.02rem; line-height: 1.85; font-weight: 300;
  color: var(--ink-soft);
  margin-bottom: 2.2rem;
}
.btn {
  padding: 1rem 2.2rem;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(10px);
  color: var(--ink);
  font-size: .92rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase;
  transition: transform .3s var(--ease-out), box-shadow .3s, border-color .3s;
}
.btn:hover { transform: translateY(-2px); border-color: rgba(168,199,250,.45); }
.btn.primary {
  background: linear-gradient(120deg, var(--blue), var(--violet));
  border-color: transparent;
  box-shadow: 0 12px 34px rgba(109, 155, 245, .3);
}
.btn.primary:hover { box-shadow: 0 16px 44px rgba(109, 155, 245, .45); }
.btn.ghost { border-color: transparent; color: var(--ink-faint); }
.btn.ghost:hover { color: var(--ink); }
.studio-cta .after {
  margin-top: 1.2rem;
  font-family: var(--font-display); font-style: italic; font-weight: 300;
  font-size: 1.05rem;
  color: var(--ink-faint);
}

/* ---------------- back cover / finale ---------------- */

.finale { text-align: center; }
.finale-title {
  font-family: var(--font-display);
  font-weight: 300; font-style: italic;
  font-size: clamp(2rem, 6.5vw, 3.8rem);
  margin-bottom: 1rem;
}
.finale-sub {
  font-size: .9rem; letter-spacing: .24em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 3rem;
}
.finale-photo {
  width: min(300px, 72vw);
  margin: 0 auto;
  padding: 0;
  border-radius: 18px;
  background: transparent;
  border: none;
  box-shadow: 0 30px 70px rgba(var(--shadow), .6), 0 0 50px rgba(227,184,120,.08);
  transform: rotate(-2deg);
  transition: transform .3s ease, box-shadow .3s ease;
}
.finale-photo:hover {
  transform: rotate(0deg) scale(1.02);
  box-shadow: 0 35px 80px rgba(var(--shadow), .8), 0 0 60px rgba(227,184,120,.15);
}
.finale-photo img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  display: block;
}
.finale-photo .cap {
  margin-top: 12px;
  font-family: var(--font-display); font-style: italic; font-weight: 300;
  font-size: 1.1rem; color: var(--gold);
}
.finale-photo.empty .ph {
  aspect-ratio: 4/5; border-radius: 8px;
  border: 1px dashed rgba(168, 199, 250, .3);
  display: grid; place-items: center;
  color: var(--ink-faint); font-family: var(--font-display); font-style: italic;
  font-weight: 300; font-size: 1.1rem;
  padding: 20px; text-align: center;
}
.finale-actions {
  margin-top: 1.4rem;
  display: flex;
  justify-content: center;
  gap: 12px;
}
.finale-actions .btn-sm {
  padding: .5rem 1.1rem;
  font-size: .78rem;
  letter-spacing: .12em;
}
.finale-foot {
  margin-top: 3.2rem;
  font-size: .7rem; letter-spacing: .3em; text-transform: uppercase;
  color: var(--ink-faint);
}
/* ============================================================
   OVERLAYS — lightbox + studio (restyled, same ids as original)
   ============================================================ */

.lightbox, .studio {
  position: fixed; inset: 0; z-index: 70;
  display: flex; align-items: center; justify-content: center;
  padding: 18px;
  background: rgba(5, 7, 15, .78);
  backdrop-filter: blur(14px);
  animation: fade-in .35s ease;
}
@keyframes fade-in { from { opacity: 0; } }

.lightbox-card, .studio-card {
  width: min(880px, 100%);
  max-height: 88svh;
  overflow-y: auto;
  border-radius: 24px;
  background: linear-gradient(170deg, #111831, #0B1026);
  border: 1px solid var(--panel-border);
  box-shadow: 0 50px 120px rgba(0, 0, 0, .6);
  padding: clamp(1.4rem, 4vw, 2.4rem);
  animation: card-up .45s var(--ease-out);
}
@keyframes card-up { from { opacity: 0; transform: translateY(30px) scale(.97); } }

.lightbox-head, .studio-head {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 16px;
  margin-bottom: 1.6rem;
}
.lightbox-kicker, .studio-kicker {
  font-family: var(--font-display); font-style: italic; font-weight: 300;
  font-size: 1.05rem; color: var(--gold);
  margin-bottom: 2px;
}
.lightbox-head h2, .studio-head h2 {
  font-family: var(--font-display);
  font-weight: 300; font-size: 1.9rem;
}

.close-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--panel-border);
  color: var(--ink-soft);
  font-size: 1.4rem; line-height: 1;
  display: grid; place-items: center;
  transition: border-color .3s, color .3s, transform .3s;
  flex-shrink: 0;
}
.close-btn:hover { border-color: rgba(168,199,250,.5); color: var(--ink); transform: rotate(90deg); }

.lightbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
}
.lightbox-grid figure {
  border-radius: 16px; overflow: hidden;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  cursor: zoom-in;
  opacity: 0; transform: translateY(18px) scale(.96);
  animation: photo-in .5s var(--ease-out) forwards;
}
.lightbox-grid figure:nth-child(2) { animation-delay: .1s; }
.lightbox-grid figure:nth-child(3) { animation-delay: .2s; }
@keyframes photo-in { to { opacity: 1; transform: none; } }
.lightbox-grid img {
  width: 100%; aspect-ratio: 1; object-fit: cover;
  transition: transform .5s var(--ease-out), filter .5s;
}
.lightbox-grid figure:hover img,
.lightbox-grid figure:focus-visible img {
  transform: scale(1.07);
  filter: brightness(1.08);
}
.lightbox-grid figure:hover { border-color: rgba(227, 184, 120, .4); }
.lightbox-grid figcaption {
  padding: 12px 14px;
  font-family: var(--font-display); font-style: italic; font-weight: 300;
  font-size: 1.05rem;
  color: var(--ink-soft);
}

/* fullscreen zoom view (tap a lightbox photo) */
.zoom-view {
  position: fixed; inset: 0; z-index: 80;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 18px; padding: 5vh 4vw;
  background: rgba(5, 7, 15, .94);
  backdrop-filter: blur(18px);
  cursor: zoom-out;
  animation: fade-in .3s ease;
}
.zoom-view img {
  max-width: min(92vw, 980px);
  max-height: 76svh;
  object-fit: contain;
  border-radius: 18px;
  border: 1px solid var(--panel-border);
  box-shadow: 0 50px 120px rgba(0, 0, 0, .7), 0 0 60px rgba(109, 155, 245, .12);
  animation: zoom-in .4s var(--ease-out);
}
@keyframes zoom-in {
  from { opacity: 0; transform: scale(.88); }
}
.zoom-view p {
  font-family: var(--font-display); font-style: italic; font-weight: 300;
  font-size: 1.35rem; color: var(--ink);
}
.zoom-hint {
  position: absolute; top: 22px; right: 28px;
  font-size: .72rem; letter-spacing: .24em; text-transform: uppercase;
  color: var(--ink-faint);
}

/* studio steps */
.step-lede { font-size: .98rem; line-height: 1.75; color: var(--ink-soft); font-weight: 300; margin-bottom: 1.6rem; }
.source-buttons { display: flex; gap: 14px; flex-wrap: wrap; }
.tiny-note { font-size: .76rem; color: var(--ink-faint); letter-spacing: .04em; margin-top: 1rem; }
.tiny-note.center { text-align: center; }

.camera-stage {
  position: relative; border-radius: 16px; overflow: hidden;
  border: 1px solid var(--panel-border);
  aspect-ratio: 4/3; background: #000;
}
.camera-stage video { width: 100%; height: 100%; object-fit: cover; }
.camera-frame {
  position: absolute; inset: 12px;
  border: 1px dashed rgba(227, 184, 120, .55);
  border-radius: 10px;
  display: flex; align-items: flex-end; justify-content: center;
  padding-bottom: 10px;
  pointer-events: none;
}
.camera-frame span {
  font-family: var(--font-display); font-style: italic; font-weight: 300;
  font-size: 1rem;
  color: var(--gold); text-shadow: 0 2px 8px rgba(0,0,0,.7);
}
.camera-actions {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 1.4rem;
}
.camera-spacer { width: 76px; }
.shutter {
  width: 68px; height: 68px; border-radius: 50%;
  border: 3px solid var(--ink);
  position: relative;
  transition: transform .2s;
}
.shutter::after {
  content: ''; position: absolute; inset: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  transition: transform .15s;
}
.shutter:active::after { transform: scale(.86); }

.photo-tray {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 1.2rem 0 0.8rem;
  flex-wrap: wrap;
}
.tray-item {
  position: relative;
  width: 58px;
  height: 58px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  background: #000;
}
.tray-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.tray-del {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  font-size: 12px;
  display: grid;
  place-items: center;
  cursor: pointer;
  border: none;
  line-height: 1;
  padding: 0;
  transition: background .2s, transform .2s;
}
.tray-del:hover {
  background: #e74c3c;
  transform: scale(1.1);
}
.edit-stage {
  border-radius: 16px; overflow: hidden;
  border: 1px solid var(--panel-border);
  display: grid; place-items: center;
  background: #05070F;
  max-height: 54svh;
  padding: 12px;
}
.edit-stage canvas {
  max-width: 100%;
  max-height: 52svh;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.btn-sm {
  padding: 8px 16px;
  font-size: .8rem;
}
.edit-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 1.2rem;
}

/* ============================================================
   GALLERY — 3D photo sphere
   ============================================================ */

.sphere-stage {
  position: relative;
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  aspect-ratio: 1;
  border-radius: 24px;
  overflow: hidden;
  background: radial-gradient(circle at center, rgba(109,155,245,.06) 0%, transparent 70%);
  touch-action: none;
}


.sphere-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.sphere-zoom {
  position: fixed; inset: 0; z-index: 85;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 20px; padding: 3vh 4vw;
  background: rgba(5, 7, 15, .94);
  backdrop-filter: blur(18px);
  animation: fade-in .3s ease;
}

.sphere-zoom img {
  max-width: min(88vw, 640px);
  max-height: 76svh;
  object-fit: contain;
  border-radius: 18px;
  border: 1px solid var(--panel-border);
  box-shadow: 0 50px 120px rgba(0, 0, 0, .7), 0 0 60px rgba(109, 155, 245, .12);
  animation: zoom-in .4s var(--ease-out);
}

.sphere-zoom-close {
  position: absolute; top: 22px; right: 28px;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--panel-border);
  color: var(--ink-soft);
  font-size: 1.5rem;
  display: grid; place-items: center;
  cursor: pointer;
  transition: border-color .3s, color .3s, transform .3s;
  background: rgba(11, 16, 38, .6);
}
.sphere-zoom-close:hover {
  border-color: rgba(168,199,250,.5);
  color: var(--ink);
  transform: rotate(90deg);
}

@media (max-width: 560px) {
  .sphere-stage { max-width: 100%; border-radius: 16px; }
}

/* ============================================================
   accessibility / motion
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}