/* =========================================================================
   Image Collections & Scrollytelling — styles
   Palette: bg #060606 · borders #27272a · text #f4f4f5 · accent sky-400 #38bdf8
   Per-collection accent is injected inline as --accent / --accent-rgb.
   ========================================================================= */

:root {
  --bg: #060606;
  --bg-2: #0c0c0e;
  --panel: rgba(24, 24, 27, 0.55);
  --panel-solid: #131316;
  --border: #27272a;
  --border-soft: rgba(63, 63, 70, 0.4);
  --text: #f4f4f5;
  --text-2: #d4d4d8;
  --text-3: #a1a1aa;
  --text-4: #71717a;
  --accent: #38bdf8;
  --accent-rgb: 56, 189, 248;
  --topbar-h: 60px;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; color: var(--text-3); }

/* ---- Top progress rail -------------------------------------------------- */
.progress-rail {
  position: fixed; top: 0; left: 0; right: 0;
  height: 3px; z-index: 60;
  background: rgba(255, 255, 255, 0.04);
}
.progress-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, #38bdf8, #a78bfa, #34d399);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.6);
  transition: width 0.08s linear;
}

/* ---- Top bar ------------------------------------------------------------ */
.topbar {
  position: fixed; top: 3px; left: 0; right: 0; z-index: 50;
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 1.2rem;
  padding: 0 clamp(0.9rem, 3vw, 2rem);
  background: rgba(6, 6, 6, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border-soft);
}
.brand { display: flex; align-items: center; gap: 0.6rem; flex-shrink: 0; }
.brand-glyph {
  width: 18px; height: 18px; border-radius: 5px;
  background: conic-gradient(from 140deg, #38bdf8, #a78bfa, #34d399, #38bdf8);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.5);
}
.brand-text { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.01em; font-size: 1rem; }
.brand-dim { color: var(--text-4); font-weight: 500; margin-left: 0.15rem; }

.nav {
  display: flex; align-items: center; gap: 0.35rem;
  margin-left: auto; overflow-x: auto; scrollbar-width: none;
  -ms-overflow-style: none; mask-image: linear-gradient(90deg, transparent, #000 12px, #000 calc(100% - 12px), transparent);
}
.nav::-webkit-scrollbar { display: none; }
.nav-chip {
  flex-shrink: 0;
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.4rem 0.75rem; border-radius: 999px;
  font-size: 0.8rem; font-weight: 500; color: var(--text-3);
  border: 1px solid transparent; cursor: pointer;
  background: transparent; white-space: nowrap;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}
.nav-chip:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }
.nav-chip.active {
  color: var(--text);
  border-color: rgba(var(--chip-rgb, 56, 189, 248), 0.5);
  background: rgba(var(--chip-rgb, 56, 189, 248), 0.1);
}
.nav-chip .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: rgb(var(--chip-rgb, 56, 189, 248));
}

.hint-btn {
  flex-shrink: 0; font-family: var(--font-display);
  font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-4); background: none; border: 0; cursor: pointer;
  padding-left: 0.5rem;
}
.hint-btn:hover { color: var(--accent); }

/* ---- Hero --------------------------------------------------------------- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: calc(var(--topbar-h) + 2rem) 1.5rem 3rem;
  overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 0%, transparent 75%);
}
.hero-inner { position: relative; max-width: 880px; text-align: center; }
.hero-eyebrow {
  font-family: var(--font-display); font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 1.4rem;
}
.hero-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.6rem, 8vw, 5.6rem); line-height: 1.02;
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, #ffffff, #b6b6bd);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-amp { color: var(--accent); -webkit-text-fill-color: var(--accent); }
.hero-lede {
  margin: 1.6rem auto 0; max-width: 580px;
  font-size: clamp(1rem, 2.2vw, 1.18rem); color: var(--text-3);
}
.hero-stats {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0.8rem;
  margin-top: 2.4rem;
}
.stat {
  display: flex; flex-direction: column; align-items: center;
  padding: 0.85rem 1.3rem; border-radius: 14px;
  border: 1px solid var(--border); background: var(--panel);
  backdrop-filter: blur(6px);
}
.stat-num {
  font-family: var(--font-display); font-weight: 700; font-size: 1.6rem;
  color: var(--text);
}
.stat-label {
  font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-4); margin-top: 0.2rem;
}
/* Tool-level share bar — centered under the hero stats. */
.hero-share { display: flex; justify-content: center; margin-top: 1.8rem; }

/* Per-collection share bar — sits inside each cover panel. */
.cover-share { margin-top: 1.4rem; }

.hero-cue {
  margin-top: 3rem; display: flex; flex-direction: column; align-items: center;
  gap: 0.4rem; color: var(--text-4);
}
.hero-cue-text { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; }
.hero-cue-arrow { font-size: 1.3rem; animation: bob 1.8s ease-in-out infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(8px); } }

/* ---- Timeline section (pinned) ----------------------------------------- */
.timeline {
  position: relative;
  height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(var(--accent-rgb), 0.06), transparent 60%),
    var(--bg);
  border-top: 1px solid var(--border-soft);
}
.track {
  display: flex; height: 100%;
  align-items: stretch;
  padding: calc(var(--topbar-h) + 1.2rem) clamp(1rem, 4vw, 3rem) 1.4rem;
  gap: clamp(1rem, 2.5vw, 2rem);
  will-change: transform;
}

/* Section-level progress + label, fixed within the pinned section */
.tl-meter {
  position: absolute; left: clamp(1rem, 4vw, 3rem); bottom: 1.1rem;
  right: clamp(1rem, 4vw, 3rem);
  display: flex; align-items: center; gap: 0.9rem; z-index: 5;
  pointer-events: none;
}
.tl-meter-label {
  font-family: var(--font-display); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.04em; color: var(--text-3); white-space: nowrap;
}
.tl-meter-bar {
  flex: 1; height: 2px; background: rgba(255, 255, 255, 0.08); border-radius: 2px;
  position: relative; overflow: hidden;
}
.tl-meter-fill {
  position: absolute; left: 0; top: 0; bottom: 0; width: 0%;
  background: rgb(var(--accent-rgb)); border-radius: 2px;
}

/* ---- Panels ------------------------------------------------------------- */
.panel {
  flex: 0 0 auto;
  width: min(92vw, 1140px);
  height: 100%;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 0.85rem;
}
.panel-meta {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
}
.panel-kicker {
  font-family: var(--font-display); font-weight: 600;
  font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgb(var(--accent-rgb));
}
.panel-index {
  font-family: ui-monospace, monospace; font-size: 0.8rem; color: var(--text-4);
}
.panel-index b { color: var(--text-2); font-weight: 600; }

.panel-figure {
  position: relative; min-height: 0; border-radius: 16px; overflow: hidden;
  border: 1px solid var(--border);
  background: #0a0a0c center/cover no-repeat;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.9);
}
.panel-figure::before {
  /* blurred placeholder backdrop */
  content: ""; position: absolute; inset: -8%;
  background-image: var(--ph); background-size: cover; background-position: center;
  filter: blur(28px) saturate(120%) brightness(0.6);
  transform: scale(1.1); z-index: 0;
}
.panel-figure::after {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
  background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.25));
}
.panel-figure img {
  position: relative; z-index: 1;
  width: 100%; height: 100%; object-fit: contain;
  opacity: 0; transition: opacity 0.5s ease;
}
.panel-figure img.loaded { opacity: 1; }

.panel-card {
  border: 1px solid var(--border);
  border-left: 3px solid rgb(var(--accent-rgb));
  background: var(--panel); backdrop-filter: blur(8px);
  border-radius: 14px; padding: 0.95rem 1.15rem;
}
.panel-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem); line-height: 1.1;
  letter-spacing: -0.02em; color: var(--text);
}
.panel-subtitle {
  margin-top: 0.2rem; font-size: 0.95rem; font-weight: 500; color: var(--text-2);
}
.panel-caption {
  margin-top: 0.5rem; font-size: 0.92rem; color: var(--text-3);
  max-width: 70ch;
}
.panel-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.7rem; }
.chip {
  font-size: 0.72rem; font-weight: 500; color: var(--text-2);
  padding: 0.22rem 0.6rem; border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: rgba(var(--accent-rgb), 0.07);
}

/* ---- Cover panel (first in each track) --------------------------------- */
.panel.cover {
  width: min(80vw, 560px);
  grid-template-rows: 1fr; align-content: center;
}
.cover-inner {
  border: 1px solid var(--border); border-radius: 20px;
  background:
    radial-gradient(ellipse 100% 80% at 0% 0%, rgba(var(--accent-rgb), 0.14), transparent 60%),
    var(--panel-solid);
  padding: clamp(1.6rem, 4vw, 2.6rem); height: fit-content;
}
.cover-emoji { font-size: 2.6rem; line-height: 1; }
.cover-name {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.8rem); line-height: 1.05;
  letter-spacing: -0.02em; margin-top: 1rem;
}
.cover-span {
  display: inline-block; margin-top: 0.9rem;
  font-family: var(--font-display); font-weight: 600; font-size: 0.8rem;
  letter-spacing: 0.06em; color: rgb(var(--accent-rgb));
  border: 1px solid rgba(var(--accent-rgb), 0.4); border-radius: 999px;
  padding: 0.3rem 0.8rem;
}
.cover-blurb { margin-top: 1.2rem; color: var(--text-3); font-size: 1rem; max-width: 42ch; }
.cover-cue {
  margin-top: 1.6rem; display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-4);
}
.cover-cue .arrow { animation: nudge 1.6s ease-in-out infinite; color: rgb(var(--accent-rgb)); }
@keyframes nudge { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(7px); } }

/* ---- End panel ---------------------------------------------------------- */
.panel.endcap { width: min(70vw, 420px); grid-template-rows: 1fr; align-content: center; }
.endcap-inner { text-align: center; color: var(--text-3); }
.endcap-inner .big { font-family: var(--font-display); font-weight: 700; font-size: 2rem; color: var(--text); }
.endcap-inner .next { margin-top: 1rem; font-size: 0.85rem; letter-spacing: 0.06em; }

/* ---- Footer ------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 3rem 1.5rem; text-align: center; color: var(--text-4);
  font-size: 0.88rem;
}
.site-footer a { color: var(--accent); }

/* ---- Reveal animation (entrance) --------------------------------------- */
.reveal { opacity: 0; transform: translateY(34px); }
.reveal.in { opacity: 1; transform: none; transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1); }

/* =========================================================================
   Mobile / touch / reduced-motion fallback — vertical stacking, no pinning
   ========================================================================= */
@media (max-width: 820px), (prefers-reduced-motion: reduce) {
  .timeline { height: auto; overflow: visible; }
  .track {
    flex-direction: column; height: auto;
    padding: calc(var(--topbar-h) + 1.4rem) 1rem 3.5rem;
    gap: 1.6rem; transform: none !important;
  }
  .panel {
    width: 100%; height: auto;
    grid-template-rows: auto auto auto;
  }
  .panel-figure { aspect-ratio: 3 / 2; min-height: 0; }
  .panel.cover, .panel.endcap { width: 100%; }
  .tl-meter { display: none; }
  .hero-cue { margin-top: 2rem; }
  .nav { gap: 0.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-cue-arrow, .cover-cue .arrow { animation: none; }
  .reveal { opacity: 1; transform: none; }
}

/* ---- Image Studio selector (topbar, far right) ------------------------- */
/* Three-way segmented selector, mirrors the Image Studio bar so every surface
   (this page, the meme wall, the storefront, and the shell) shows the same
   top-right selector. Hidden when embedded (the shell bar covers it). */
.studio-switch {
  margin-left: auto;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(6, 6, 6, 0.6);
}
.studio-switch[hidden] { display: none; }
.studio-seg {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.34rem 0.6rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-3);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}
.studio-seg svg { width: 14px; height: 14px; }
.studio-seg:not(.is-active):hover { color: var(--text); background: rgba(255, 255, 255, 0.06); }
.studio-seg.is-active {
  color: var(--text);
  background: color-mix(in srgb, #a78bfa 20%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, #a78bfa 50%, transparent);
  cursor: default;
}
.studio-seg.is-active svg { color: #a78bfa; }
@media (max-width: 820px) {
  .studio-seg span { display: none; }
  .studio-seg { padding: 0.4rem 0.5rem; }
}