@font-face {
  font-family: Manrope;
  src: url("/assets/fonts/Manrope-Latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
}
@font-face {
  font-family: "Atlas Mono";
  src: url("/assets/fonts/AtlasMono-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
:root {
  color-scheme: dark;
  --atlas-header-height: 72px;
  --atlas-bg: #0f1419;
  --atlas-panel: #141b22;
  --atlas-text: #f0ece4;
  --atlas-muted: #a7b2bd;
  --atlas-subtle: #8f9da8;
  --atlas-amber: #f29718;
  --atlas-edge: #c7bb9f55;
  --atlas-rule: #f0ece41f;
  --atlas-shadow: #05090c70;
  --atlas-mono: "Atlas Mono", Consolas, monospace;
  --atlas-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --hero-top: clamp(20px, 5.5vh, 60px);
}
:root[data-theme="light"] {
  color-scheme: light;
  --atlas-bg: #f2efe8;
  --atlas-panel: #e8e4db;
  --atlas-text: #1c2932;
  --atlas-muted: #4f5e68;
  --atlas-subtle: #5c6b74;
  --atlas-edge: #5f53434d;
  --atlas-rule: #1c29321f;
  --atlas-shadow: #24200f30;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; overflow-x: clip; isolation: isolate; background: var(--atlas-bg); color: var(--atlas-text); font-family: Manrope, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
main, .atlas-footer { position: relative; z-index: 1; }
:where(h1, h2, h3, p, figure) { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
button { font: inherit; }
[hidden] { display: none !important; }
:root:not([data-access-mode="full"]) [data-access-only="full"] { display: none !important; }
:root[data-access-mode="full"] [data-access-only="waitlist"] { display: none !important; }
::selection { color: #0f1419; background: var(--atlas-amber); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible, video:focus-visible { outline: 2px solid var(--atlas-amber); outline-offset: 4px; }
.atlas-visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.atlas-container { width: calc(100% - clamp(40px, 9vw, 128px)); max-width: 1240px; margin-inline: auto; }
.site-skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 14px 18px; background: var(--atlas-amber); color: #0f1419; transform: translateY(-160%); }
.site-skip-link:focus { transform: none; }
.site-header { position: sticky; top: 0; z-index: 30; padding: 14px clamp(16px, 5vw, 72px); background: var(--atlas-bg); }
.site-header-inner { display: flex; align-items: center; gap: 14px; min-height: 44px; max-width: 1240px; margin-inline: auto; }
.site-brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; min-height: 44px; font-size: 1rem; font-weight: 750; letter-spacing: -0.04em; }
.site-brand img { display: block; width: 28px; height: 28px; object-fit: contain; }
.site-brand-light { font-weight: 450; }
.site-brand-period { color: var(--atlas-amber); }
.site-desktop-nav { display: none; }
.site-start-link { margin-left: auto; white-space: nowrap; }
.site-mobile-menu { flex-shrink: 0; }
.site-mobile-menu summary { display: grid; place-items: center; width: 44px; height: 44px; list-style: none; cursor: pointer; }
.site-mobile-menu summary::-webkit-details-marker { display: none; }
.site-mobile-menu[open] summary { color: var(--atlas-amber); }
.site-mobile-menu nav { position: absolute; z-index: 40; top: 100%; left: 0; right: 0; display: grid; padding: 12px clamp(20px, 5vw, 72px) 20px; background: var(--atlas-panel); box-shadow: 0 20px 28px var(--atlas-shadow); }
.site-mobile-menu:not([open]) nav { display: none; }
.site-mobile-menu nav a { display: flex; align-items: center; min-height: 48px; padding: 10px 12px; font-size: 0.875rem; }
.site-motion-toggle { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 12px; border: 1px solid #36414b; border-radius: 0; background: transparent; color: var(--atlas-muted); font: 600 0.75rem/1 var(--atlas-mono); letter-spacing: 0.02em; white-space: nowrap; cursor: pointer; touch-action: manipulation; }
.site-motion-icon { flex: 0 0 auto; }
.site-motion-play, .site-motion-toggle[data-state="paused"] .site-motion-pause { display: none; }
.site-motion-toggle[data-state="paused"] .site-motion-play { display: inline; }
.site-mobile-menu .site-motion-toggle { justify-self: start; min-height: 48px; margin-top: 8px; padding: 10px 12px; border: 0; font-size: 0.875rem; }
.atlas-button, .site-start-link {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 16px; border: 1px solid #5b6875; border-radius: 0;
  background: #2a2f33; color: #f0ece4; box-shadow: none;
  font: 700 0.75rem/1.4 var(--atlas-mono); letter-spacing: 0.01em;
  touch-action: manipulation; cursor: pointer;
}
.atlas-button-primary { border-color: var(--atlas-amber); background: var(--atlas-amber); color: #0f1419; }
.atlas-button:active, .site-start-link:active { background: #24303a; }
.atlas-button-primary:active { background: color-mix(in srgb, var(--atlas-amber) 78%, #0f1419); }
.atlas-text-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--atlas-muted); font-size: 0.8125rem; }
kbd { font-family: var(--atlas-mono); }

/* One window. Without JavaScript the hero is a still composition in normal flow and every
   chapter shows its own capture. The story module takes over the same markup: the stage
   gets a fixed height, and the window and copy are positioned from measured layouts. */
.story { position: relative; }
.story-stage { position: relative; isolation: isolate; }
.story-network, .story-canvas, .story-copy, .story-rail, .story-lead { display: none; }
.atlas-hero {
  display: grid; align-content: start; justify-items: center; gap: clamp(22px, 4vh, 40px);
  min-height: calc(100vh - var(--atlas-header-height));
  min-height: calc(100svh - var(--atlas-header-height));
  padding: var(--hero-top) clamp(16px, 4.5vw, 64px) clamp(20px, 4vh, 40px);
}
.hero-title { max-width: 100%; text-align: center; font-size: clamp(1.875rem, 9.9vw, 3.5rem); font-weight: 500; line-height: 1.02; letter-spacing: -0.055em; text-wrap: balance; }
.hero-title > span { display: block; }
.hero-line-one { color: var(--atlas-muted); }
.hero-line-two { color: var(--atlas-text); }
.hero-period { display: inline-block; color: var(--atlas-amber); transform-origin: 50% 85%; }
.story-window { position: relative; width: min(100%, 1180px); }
.story-frame { position: relative; aspect-ratio: 8 / 5; overflow: hidden; border-radius: 7px; background: #0e1419; box-shadow: 0 0 0 1px #c7bb9f4d, 0 36px 90px -28px #000000bf, 0 0 var(--story-glow-size, 60px) rgba(242, 151, 24, var(--story-glow, 0.11)); }
.story-still { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 0 0; }
.story-canvas, .story-outline { position: absolute; inset: 0; width: 100%; height: 100%; }
.story-outline { pointer-events: none; overflow: visible; }
.story-outline rect { fill: none; stroke: var(--atlas-amber); stroke-width: 1.2; vector-effect: non-scaling-stroke; stroke-dasharray: 100; stroke-dashoffset: 0; opacity: 0.28; }
:root[data-enhanced="pending"] .story:not([data-live]) .story-window { visibility: hidden; }
:root[data-intro="pending"] .hero-line-one { color: var(--atlas-text); }
:root[data-intro="playing"] .hero-line-one { color: color-mix(in srgb, var(--atlas-muted) calc(var(--hero-dim, 0) * 100%), var(--atlas-text)); }
:root:is([data-intro="pending"], [data-intro="playing"]) .hero-line-two,
:root:is([data-intro="pending"], [data-intro="playing"]) .hero-period { opacity: 0; }
:root:is([data-intro="pending"], [data-intro="playing"]) .story-outline rect { stroke-dashoffset: 100; opacity: 1; }
.story[data-live="true"] .story-stage { display: block; height: var(--story-scene); min-height: 0; padding: 0; overflow: hidden; }
.story[data-live="true"] .story-network { position: absolute; inset: 0; z-index: 0; display: block; width: 100%; height: 100%; pointer-events: none; }
.story[data-live="true"] .hero-title { position: absolute; z-index: 3; top: var(--hero-top); left: 0; right: 0; padding-inline: 16px; pointer-events: none; will-change: transform, opacity; }
.story[data-live="true"] .hero-title > span { will-change: transform, opacity; }
.story[data-live="true"] .story-window { position: absolute; z-index: 2; width: auto; perspective: 1900px; perspective-origin: 50% 20%; transform-origin: 50% 50%; will-change: transform; }
.story[data-live="true"] .story-frame { width: 100%; height: 100%; aspect-ratio: auto; transform-style: preserve-3d; will-change: transform; }
.story[data-live="true"] .story-canvas { display: block; }
.story[data-live="true"] .story-still { visibility: hidden; }
.story[data-live="true"][data-mode="compact"] .hero-title { top: 50%; left: var(--story-gutter, 20px); right: auto; width: var(--story-title-width, 42%); padding: 0; text-align: left; font-size: min(2.5rem, 4.1vw); transform: translateY(-50%); }
.story[data-live="true"][data-layout="pinned"] { display: grid; grid-template-columns: minmax(0, 1fr); }
.story[data-live="true"][data-layout="pinned"] > .story-stage { grid-area: 1 / 1; position: sticky; top: var(--story-top); z-index: 2; align-self: start; }
.story[data-live="true"][data-layout="pinned"] > .story-track { grid-area: 1 / 1; min-width: 0; }
.story[data-live="true"][data-layout="pinned"] .story-lead { display: block; height: var(--story-scene); scroll-snap-align: start; scroll-margin-top: var(--story-top); }
.story[data-live="true"][data-layout="pinned"] .atlas-features { width: auto; max-width: none; padding: 0; }
.story[data-live="true"][data-layout="pinned"] .story-step { position: relative; height: var(--story-scene); padding: 0; scroll-snap-align: start; scroll-snap-stop: always; scroll-margin-top: var(--story-top); }
.story[data-live="true"][data-layout="pinned"] .scene-source { position: absolute; inset: 0 auto auto 0; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.story[data-live="true"][data-layout="pinned"] .story-copy { position: absolute; z-index: 3; display: block; }
.story[data-live="true"][data-layout="pinned"] .story-rail { position: absolute; z-index: 3; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 8px; transition: opacity 400ms var(--atlas-ease); }
.story-rail span { position: relative; height: 3px; overflow: hidden; background: color-mix(in srgb, var(--atlas-text) 14%, transparent); }
.story-rail span::after { content: ""; position: absolute; inset: 0; background: var(--atlas-amber); transform-origin: 0 50%; transform: scaleX(var(--fill, 0)); }
.story-panel { position: absolute; inset: 0 0 auto 0; opacity: 0; transform: translateY(14px); transition: opacity 420ms var(--atlas-ease), transform 700ms var(--atlas-ease); pointer-events: none; }
.story-panel.is-active { opacity: 1; transform: none; pointer-events: auto; }
.story-panel .tour-copy > * { transition: transform 700ms var(--atlas-ease), opacity 420ms var(--atlas-ease); }
.story-panel:not(.is-active) .tour-copy > * { opacity: 0; transform: translateY(8px); }
.story-panel.is-active .tour-copy > :nth-child(2) { transition-delay: 40ms; }
.story-panel.is-active .tour-copy > :nth-child(3) { transition-delay: 80ms; }
.story-panel.is-active .tour-copy > :nth-child(4) { transition-delay: 120ms; }
.story-panel .tour-copy h3 { max-width: 16ch; font-size: clamp(1.875rem, 3.1vw, 3rem); line-height: 1.08; letter-spacing: -0.045em; }
.story-panel .tour-description { font-size: 1.0625rem; line-height: 1.75; }
.story[data-mode="phone"] .story-panel .tour-copy h3 { margin-top: 8px; font-size: 1.625rem; }
.story[data-mode="phone"] .story-panel .tour-description { margin-top: 12px; font-size: 0.9375rem; line-height: 1.6; }
.story[data-mode="phone"] .story-panel .tour-shortcut { display: none; }
.atlas-features { width: calc(100% - clamp(40px, 9vw, 128px)); max-width: 1240px; margin-inline: auto; padding-bottom: 24px; scroll-margin-top: var(--atlas-header-height); scroll-snap-align: start; }
.story-step { position: relative; padding-block: 40px 56px; scroll-margin-top: var(--atlas-header-height); }
.scene-accessible-nav { position: absolute; z-index: 40; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.scene-accessible-nav:focus-within { position: fixed; inset: 76px 20px auto; display: flex; flex-wrap: wrap; gap: 16px; width: auto; height: auto; padding: 12px 16px; overflow: visible; clip-path: none; background: var(--atlas-panel); }
.scene-accessible-nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: 0.8125rem; }
.tour-label { color: #b39469; font-size: 0.75rem; letter-spacing: 0.02em; }
:root[data-theme="light"] .tour-label { color: #7a5a2e; }
.tour-copy h3 { max-width: 18ch; margin-top: 14px; font-size: clamp(1.75rem, 3vw, 2.375rem); font-weight: 500; line-height: 1.2; letter-spacing: -0.04em; }
.tour-description { max-width: 35ch; margin-top: 20px; color: var(--atlas-muted); font-size: 1rem; line-height: 1.8; }
.tour-shortcut { max-width: 35ch; margin-top: 22px; color: var(--atlas-subtle); font-size: 0.8125rem; line-height: 1.8; }
.tour-shortcut kbd { color: #c5a576; font-size: 0.75rem; }
:root[data-theme="light"] .tour-shortcut kbd { color: #7a5a2e; }
.tour-inline-preview { margin-top: 28px; }
.feature-artwork { display: block; width: 100%; height: auto; aspect-ratio: 8 / 5; object-fit: contain; border: 1px solid var(--atlas-edge); border-radius: 6px; background: #0f1419; box-shadow: 0 0 0 1px #efd7ab0c, 0 0 30px #f2971818, 0 22px 50px var(--atlas-shadow); }
.tour-expand { display: flex; align-items: center; justify-content: flex-end; gap: 8px; min-height: 44px; color: var(--atlas-subtle); font-size: 0.75rem; }
html[data-atlas-scene-snap] { scroll-snap-type: y mandatory; }

/* The Subnet Calculator follows the Tools chapter as the page's hands-on beat. */
.atlas-instruments { display: grid; gap: clamp(36px, 5vw, 80px); padding-block: clamp(72px, 10vw, 128px) clamp(40px, 6vw, 72px); scroll-snap-align: start; scroll-margin-top: var(--atlas-header-height); }
.instrument-intro, .instrument-readout { min-width: 0; }
.instrument-intro h2 { max-width: 14ch; margin-top: 16px; font-size: clamp(2rem, 4.2vw, 3.5rem); font-weight: 500; line-height: 1.06; letter-spacing: -0.05em; text-wrap: balance; }
.instrument-lede { max-width: 42ch; margin-top: 20px; color: var(--atlas-muted); font-size: 1rem; line-height: 1.75; }
.instrument-label { display: block; margin-top: 36px; color: var(--atlas-subtle); font: 500 0.75rem/1.5 var(--atlas-mono); letter-spacing: 0.04em; text-transform: uppercase; }
.instrument-field { margin-top: 10px; border-bottom: 1px solid color-mix(in srgb, var(--atlas-text) 18%, transparent); transition: border-color 300ms var(--atlas-ease); }
.instrument-field:focus-within { border-color: var(--atlas-amber); }
.instrument-field input { width: 100%; padding: 6px 0 14px; border: 0; background: transparent; color: var(--atlas-text); caret-color: var(--atlas-amber); outline: none; font: 500 clamp(1.75rem, 3.4vw, 2.75rem)/1.15 Manrope, "Segoe UI", sans-serif; letter-spacing: -0.035em; font-variant-numeric: tabular-nums; }
.instrument-field input:focus-visible { outline: none; }
.instrument-presets { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.instrument-presets button { min-height: 44px; padding: 0 12px; border: 1px solid #36414b; border-radius: 0; background: transparent; color: var(--atlas-muted); font: 0.75rem/1 var(--atlas-mono); cursor: pointer; touch-action: manipulation; }
.instrument-presets button[aria-pressed="true"] { border-color: var(--atlas-amber); color: var(--atlas-text); }
.instrument-error { min-height: 1.6em; margin-top: 14px; color: #e48c88; font-size: 0.875rem; line-height: 1.6; }
:root[data-theme="light"] .instrument-error { color: #a4332c; }
.instrument-readout { align-self: end; }
.instrument-number { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 18px; container-type: inline-size; }
.instrument-digits { display: inline-flex; font-size: min(clamp(3.5rem, 9vw, 8rem), calc(100cqi / var(--span, 4))); font-weight: 500; line-height: 0.92; letter-spacing: -0.06em; font-variant-numeric: tabular-nums; }
.instrument-digit { display: inline-block; height: 0.92em; overflow: hidden; }
.instrument-strip { display: flex; flex-direction: column; transition: transform 900ms var(--atlas-ease); }
.instrument-strip span { height: 0.92em; line-height: 0.92; }
.instrument-sep { display: inline-block; width: 0.26em; color: var(--atlas-subtle); }
.instrument-unit { color: var(--atlas-muted); font: 500 0.875rem/1.4 var(--atlas-mono); letter-spacing: 0.04em; text-transform: uppercase; }
.instrument-bits { display: grid; grid-template-columns: repeat(32, minmax(0, 1fr)); gap: 3px; margin-top: 30px; }
.instrument-bits i { height: 20px; border: 1px solid #36414b; transition: background-color 380ms var(--atlas-ease), border-color 380ms var(--atlas-ease); }
.instrument-bits i.is-network { border-color: var(--atlas-amber); background: var(--atlas-amber); }
.instrument-bits i:nth-child(8n):not(:last-child) { margin-right: 5px; }
.instrument-bits-legend { display: flex; justify-content: space-between; margin-top: 10px; color: var(--atlas-subtle); font: 0.75rem/1.4 var(--atlas-mono); }
.instrument-table { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; margin: 28px 0 0; border-top: 1px solid var(--atlas-rule); }
.instrument-table div { display: flex; justify-content: space-between; gap: 16px; min-width: 0; padding: 12px 0; border-bottom: 1px solid var(--atlas-rule); }
.instrument-table dt { flex-shrink: 0; color: var(--atlas-subtle); font: 0.75rem/1.5 var(--atlas-mono); letter-spacing: 0.04em; text-transform: uppercase; }
.instrument-table dd { min-width: 0; margin: 0; overflow-wrap: anywhere; font: 500 0.9375rem/1.5 var(--atlas-mono); text-align: right; font-variant-numeric: tabular-nums; transition: color 400ms var(--atlas-ease); }
.instrument-table dd.is-changed { color: var(--atlas-amber); transition: none; }
.instrument-readout.is-invalid .instrument-digits, .instrument-readout.is-invalid .instrument-table { opacity: 0.35; }
.instrument-search { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 24px; padding-top: 24px; border-top: 1px solid var(--atlas-rule); }
.instrument-search p { color: var(--atlas-muted); font-size: 1rem; }
.instrument-keys { display: inline-flex; gap: 4px; margin-left: 4px; }
.instrument-keys kbd { min-width: 26px; padding: 3px 6px; border: 1px solid #45515c; color: #d9b27a; font-size: 0.75rem; line-height: 1.2; text-align: center; }
.atlas-button-primary .instrument-keys kbd { border-color: #0f141966; color: #0f1419; }
:root[data-theme="light"] .atlas-button:not(.atlas-button-primary) .instrument-keys kbd { color: #f0c98d; }

.atlas-cta { display: grid; gap: 28px; align-items: end; padding-block: clamp(64px, 9vw, 120px); border-top: 1px solid var(--atlas-rule); scroll-snap-align: start; scroll-margin-top: var(--atlas-header-height); }
.atlas-cta h2 { font-size: clamp(2.25rem, 5.4vw, 4.5rem); font-weight: 500; line-height: 1.04; letter-spacing: -0.055em; }
.atlas-cta-action { display: grid; justify-items: start; gap: 20px; }
.atlas-cta-action p { max-width: 36ch; color: var(--atlas-muted); font-size: 1rem; line-height: 1.7; }

.atlas-palette { width: min(640px, calc(100% - 32px)); max-height: min(560px, calc(100% - 48px)); padding: 0; border: 1px solid #c7bb9f57; border-radius: 0; background: #121920; color: #f0ece4; box-shadow: 0 40px 100px -30px #000000d9, 0 0 60px #f2971814; }
.atlas-palette::backdrop { background: #06090ca8; }
.atlas-palette[open] { animation: atlas-rise 420ms var(--atlas-ease); }
@keyframes atlas-rise { from { opacity: 0; transform: translateY(10px) scale(0.985); } }
.palette-search { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-bottom: 1px solid #f0ece41f; }
.palette-search span { color: var(--atlas-amber); font: 700 0.875rem/1 var(--atlas-mono); }
.palette-search input { flex: 1; min-width: 0; min-height: 32px; border: 0; background: transparent; color: #f0ece4; caret-color: var(--atlas-amber); font: 1rem/1.4 var(--atlas-mono); outline: none; }
.palette-search input:focus-visible { outline: none; }
.palette-results { max-height: min(360px, 56vh); margin: 0; padding: 8px; overflow: auto; list-style: none; }
.palette-group { margin: 10px 10px 6px; color: #85919c; font: 0.75rem/1.4 var(--atlas-mono); letter-spacing: 0.06em; text-transform: uppercase; }
.palette-results [role="option"] { display: flex; justify-content: space-between; gap: 16px; padding: 10px 12px; font: 0.875rem/1.4 var(--atlas-mono); cursor: pointer; }
.palette-results [role="option"] small { color: #85919c; font-size: 0.75rem; }
.palette-results [aria-selected="true"] { background: #2a2419; box-shadow: inset 2px 0 0 var(--atlas-amber); }
.palette-empty { padding: 18px 12px; color: #85919c; font: 0.875rem/1.5 var(--atlas-mono); }
.atlas-toast { position: fixed; z-index: 60; left: 50%; bottom: 24px; max-width: calc(100% - 32px); padding: 12px 16px; border: 1px solid #3a4550; background: #151c23; color: #f0ece4; font: 0.8125rem/1.5 var(--atlas-mono); transform: translate(-50%, 16px); opacity: 0; pointer-events: none; transition: opacity 300ms var(--atlas-ease), transform 500ms var(--atlas-ease); }
.atlas-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

.atlas-pricing, .atlas-waitlist { scroll-margin-top: var(--atlas-header-height); scroll-snap-align: start; }
.atlas-section-heading { margin-bottom: 32px; }
.atlas-section-heading h2, .atlas-pricing-intro h2 { font-size: clamp(1.875rem, 3.5vw, 2.625rem); font-weight: 500; line-height: 1.18; letter-spacing: -0.04em; }
.scroll-scenes { --scene-height: calc(100dvh - var(--atlas-header-height)); position: relative; }
.scene-stage { display: none; }
.scene-step { position: relative; scroll-margin-top: var(--feature-snap-offset, 72px); }
.scene-panel { position: absolute; inset: 0; opacity: 0; transform: translateY(10px); transition: opacity 350ms var(--atlas-ease), transform 550ms var(--atlas-ease); pointer-events: none; }
.scene-panel.is-active { opacity: 1; transform: none; pointer-events: auto; }
.atlas-demo, .atlas-footer { scroll-snap-align: start; scroll-snap-stop: always; scroll-margin-top: var(--atlas-header-height); }
.atlas-demo { display: grid; gap: 16px; padding-block: 72px; }
.atlas-demo-content { min-width: 0; }
.atlas-video-frame { overflow: hidden; border-radius: 6px; border: 1px solid var(--atlas-edge); background: #0f1419; box-shadow: 0 0 24px #f2971812, 0 20px 50px var(--atlas-shadow); }
.atlas-video-frame video { display: block; width: 100%; height: auto; aspect-ratio: 8 / 5; background: #0f1419; }
.atlas-video-error { padding: 16px; color: #efba71; font-size: 0.875rem; line-height: 1.8; }
.atlas-video-error a { text-decoration: underline; text-underline-offset: 4px; }
.atlas-video-caption { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 20px; margin-top: 16px; color: var(--atlas-subtle); font-size: 0.8125rem; line-height: 1.7; }
.atlas-video-toggle { min-height: 44px; padding: 0 14px; border: 1px solid #5b6875; border-radius: 0; background: transparent; color: var(--atlas-text); font: 700 0.75rem/1 var(--atlas-mono); cursor: pointer; touch-action: manipulation; }
.atlas-transcript { max-width: 340px; }
.atlas-transcript summary { display: flex; align-items: center; min-height: 44px; color: var(--atlas-muted); list-style: none; cursor: pointer; }
.atlas-transcript summary::-webkit-details-marker { display: none; }
.atlas-transcript ol { display: grid; gap: 10px; margin-top: 0; padding-left: 16px; }
.atlas-pricing { padding-block: clamp(56px, 8vw, 104px); }
.atlas-pricing-intro h2 { font-size: clamp(1.875rem, 4vw, 2.625rem); }
.atlas-pricing-intro p { max-width: 32ch; margin-top: 16px; color: var(--atlas-muted); font-size: 1rem; line-height: 1.8; }
.pricing-scenes[data-pinned="false"] .scene-track { display: grid; gap: 16px; margin-top: 36px; }
.pricing-scenes[data-pinned="false"] .scene-step { padding: clamp(24px, 3vw, 36px); border-top: 1px solid var(--atlas-edge); background: color-mix(in srgb, var(--atlas-panel) 64%, transparent); }
.pricing-scenes[data-pinned="false"] .atlas-plan { height: 100%; }
.pricing-stage { gap: 28px; }
.price-window { position: relative; min-height: 400px; }
.pricing-scenes[data-pinned="true"] { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); column-gap: 64px; }
.pricing-scenes[data-pinned="true"] > .atlas-pricing-intro { grid-area: 1 / 1; position: sticky; top: var(--atlas-header-height); z-index: 2; display: grid; align-content: center; align-self: start; height: var(--scene-height); }
.pricing-scenes[data-pinned="true"] > .scene-stage { grid-area: 1 / 2; position: sticky; top: var(--atlas-header-height); z-index: 2; display: grid; align-content: center; align-self: start; height: var(--scene-height); padding-block: 16px; }
.pricing-scenes[data-pinned="true"] > .scene-track { grid-area: 1 / 1 / 2 / 3; min-width: 0; }
.pricing-scenes[data-pinned="true"] .scene-step { height: var(--scene-height); scroll-snap-align: start; scroll-snap-stop: always; }
.pricing-scenes[data-pinned="true"] .scene-source { position: absolute; inset: 0 auto auto 0; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.atlas-plan { display: flex; flex-direction: column; }
.atlas-plan h3 { font-size: 1.0625rem; font-weight: 600; }
.atlas-plan-price { margin-top: 22px; font-size: 2.5rem; font-weight: 500; letter-spacing: -0.055em; line-height: 1.2; }
.atlas-plan-price strong { font: inherit; }
.atlas-plan-price span { display: block; margin-top: 8px; color: var(--atlas-subtle); font-size: 0.75rem; font-weight: 400; letter-spacing: 0; }
.atlas-plan-description { max-width: 32ch; min-height: 44px; margin-top: 20px; color: var(--atlas-muted); font-size: 0.9375rem; line-height: 1.7; }
.atlas-plan ul { display: grid; flex: 1; gap: 10px; margin: 24px 0 28px; padding: 0; color: var(--atlas-muted); font-size: 0.875rem; line-height: 1.7; list-style: none; }
.atlas-plan .atlas-button { align-self: flex-start; }
.atlas-waitlist { display: grid; gap: clamp(40px, 8vw, 96px); padding-block: clamp(88px, 12vw, 150px); scroll-snap-stop: always; }
.waitlist-copy { align-self: start; }
.waitlist-kicker, .waitlist-form-number { color: #bc945e; font: 400 0.75rem/1.7 var(--atlas-mono); letter-spacing: 0.04em; text-transform: uppercase; }
:root[data-theme="light"] :is(.waitlist-kicker, .waitlist-form-number) { color: #7a5a2e; }
.waitlist-copy h2 { max-width: 12ch; margin-top: 18px; font-size: clamp(2.2rem, 6vw, 4.5rem); font-weight: 500; line-height: 1.08; letter-spacing: -0.055em; }
.waitlist-copy > p:not(.waitlist-kicker) { max-width: 44ch; margin-top: 24px; color: var(--atlas-muted); font-size: 1rem; line-height: 1.8; }
.waitlist-copy dl { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 36px 0 0; }
.waitlist-copy dl div { min-width: 0; padding-top: 13px; border-top: 1px solid var(--atlas-edge); }
.waitlist-copy dt { color: var(--atlas-subtle); font: 400 0.75rem/1.5 var(--atlas-mono); letter-spacing: 0.05em; text-transform: uppercase; }
.waitlist-copy dd { margin: 7px 0 0; color: var(--atlas-text); font-size: 0.875rem; line-height: 1.5; }
.waitlist-form-shell { container-type: inline-size; padding: clamp(22px, 4vw, 38px); border-block: 1px solid var(--atlas-edge); background: color-mix(in srgb, var(--atlas-panel) 76%, transparent); }
.waitlist-form-number { margin-bottom: 28px; }
.waitlist-form { position: relative; }
.waitlist-form label { display: block; margin-bottom: 8px; color: var(--atlas-muted); font-size: 0.8125rem; line-height: 1.5; }
.waitlist-form input, .waitlist-form select, .waitlist-form textarea { display: block; width: 100%; min-height: 48px; margin: 8px 0 20px; padding: 12px 13px; border: 1px solid color-mix(in srgb, var(--atlas-text) 24%, transparent); border-radius: 0; background: var(--atlas-bg); color: var(--atlas-text); font: 400 1rem/1.5 Manrope, "Segoe UI", sans-serif; }
.waitlist-form textarea { min-height: 116px; resize: vertical; }
.waitlist-field-grid { display: grid; gap: 0 16px; }
.waitlist-help { margin: -8px 0 20px; color: var(--atlas-subtle); font-size: 0.8125rem; line-height: 1.7; }
.waitlist-consent { display: flex !important; align-items: flex-start; gap: 12px; margin-block: 20px 24px !important; }
.waitlist-consent input { flex: 0 0 20px; width: 20px; height: 20px; min-height: 20px; margin: 1px 0 0; accent-color: var(--atlas-amber); }
.waitlist-consent span { color: var(--atlas-muted); font-size: 0.875rem; line-height: 1.6; }
.waitlist-form .atlas-button { width: 100%; }
.waitlist-form .atlas-button[aria-busy="true"] { opacity: 0.7; cursor: wait; }
.waitlist-honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.atlas-footer { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 32px; padding-block: 48px 32px; }
.atlas-footer nav { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; }
.atlas-footer nav a, .theme-toggle { display: inline-flex; align-items: center; min-height: 44px; color: var(--atlas-muted); font-size: 0.8125rem; }
.theme-toggle { padding: 0; border: 0; background: transparent; cursor: pointer; }
.atlas-footer small { color: var(--atlas-subtle); font-size: 0.75rem; }
.atlas-roadmap { min-height: 75svh; padding-block: 32px 100px; }
.atlas-roadmap-heading { margin-top: 64px; }
.atlas-roadmap-heading h1 { font-size: clamp(3rem, 7vw, 5rem); font-weight: 500; line-height: 1.1; letter-spacing: -0.055em; }
.atlas-roadmap-heading p { margin-top: 24px; color: var(--atlas-muted); font-size: 1rem; line-height: 1.8; }
.atlas-roadmap-item { max-width: 650px; margin-block: 80px 48px; }
.atlas-roadmap-status { color: #bc945e; font-size: 0.75rem; }
.atlas-roadmap-item h2 { margin-top: 18px; font-size: 2rem; font-weight: 500; letter-spacing: -0.04em; }
.atlas-roadmap-item p { margin-top: 24px; color: var(--atlas-muted); font-size: 1rem; line-height: 1.8; }
.atlas-roadmap-item .atlas-roadmap-note { font-size: 0.8125rem; color: var(--atlas-subtle); }
@media (hover: hover) {
  .atlas-button:hover, .site-start-link:hover { border-color: var(--atlas-amber); background: #1b242d; color: #f0ece4; }
  .atlas-button-primary:hover { border-color: #0f1419; background: color-mix(in srgb, var(--atlas-amber) 88%, #0f1419); color: #0f1419; }
  .atlas-text-link:hover, .tour-expand:hover, .theme-toggle:hover { text-decoration: underline; text-underline-offset: 5px; }
  .site-motion-toggle:hover, .instrument-presets button:hover, .atlas-video-toggle:hover { border-color: var(--atlas-amber); color: var(--atlas-text); }
  .palette-results [role="option"]:hover { background: #1b222a; }
}
@media (min-width: 700px) {
  .atlas-hero { gap: clamp(28px, 4.5vh, 44px); }
  .hero-title { font-size: clamp(3.5rem, 6.4vw, 6.75rem); }
  .atlas-section-heading { margin-bottom: 48px; }
  .atlas-demo { padding-block: 88px; }
  .atlas-footer nav { margin-left: auto; }
  .atlas-footer small { flex-basis: 100%; }
  .story:not([data-layout="pinned"]) .scene-source { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); align-items: center; gap: 36px; }
  .story:not([data-layout="pinned"]) .tour-inline-preview { order: -1; margin-top: 0; }
  .pricing-scenes[data-pinned="false"] .scene-track { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .price-window { min-height: 480px; }
  .waitlist-field-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 900px) {
  .site-header-inner { gap: 36px; }
  .site-brand { font-size: 1.125rem; }
  .site-brand img { width: 30px; height: 30px; }
  .site-desktop-nav { display: flex; align-items: center; gap: 30px; margin-left: auto; }
  .site-desktop-nav a { display: flex; align-items: center; min-height: 44px; color: var(--atlas-muted); font-size: 0.8125rem; }
  .site-start-link { margin-left: 0; }
  .site-mobile-menu { display: none; }
  .atlas-cta { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); }
}
@media (min-width: 1000px) {
  .atlas-instruments { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); align-items: end; }
  .instrument-search { grid-column: 1 / -1; }
}
@media (min-width: 1024px) {
  .atlas-demo { grid-template-columns: 0.75fr 2fr; gap: 64px; align-items: start; }
  .atlas-demo .atlas-section-heading { padding-top: 12px; }
  .atlas-demo .atlas-section-heading h2 { max-width: 8ch; }
  .atlas-waitlist { grid-template-columns: minmax(0, 0.88fr) minmax(480px, 1fr); align-items: center; }
  .atlas-footer small { flex-basis: auto; }
}
@media (max-width: 560px) {
  .instrument-table { grid-template-columns: 1fr; }
  .instrument-bits { gap: 2px; }
  .instrument-bits i { height: 14px; }
  .instrument-bits i:nth-child(8n):not(:last-child) { margin-right: 3px; }
}
@media (max-width: 380px) {
  .site-header-inner { gap: 8px; }
  .site-brand { gap: 6px; font-size: 0.875rem; }
  .site-brand img { width: 24px; height: 24px; }
  .site-start-link { padding-inline: 10px; }
  .site-start-link > span { display: none; }
}
@media (max-width: 699px), (max-height: 600px) {
  html[data-atlas-scene-snap] { scroll-snap-type: y proximity; }
}
@media (max-height: 520px) and (min-aspect-ratio: 13/10) {
  .atlas-hero { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); align-items: center; align-content: center; padding-block: 16px; }
  .atlas-hero .hero-title { text-align: left; font-size: clamp(1.75rem, 4.4vw, 2.5rem); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html[data-atlas-scene-snap] { scroll-snap-type: y proximity; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}