/* slidecast website. The story stage is drawn in CSS; main.js only moves it. */

:root {
  --bg: #07080f;
  --bg-2: #0d0f1a;
  --surface: rgba(255, 255, 255, .035);
  --surface-2: rgba(255, 255, 255, .06);
  --line: rgba(255, 255, 255, .08);
  --line-strong: rgba(255, 255, 255, .15);
  --ink: #eef0f7;
  --muted: #9aa0b4;
  --violet: #a78bfa;
  --indigo: #818cf8;
  --sky: #38bdf8;
  --sun: #ffb347;
  --grad: linear-gradient(100deg, #a78bfa, #818cf8 50%, #38bdf8);
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(.2, .75, .15, 1);
  --nav: 64px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav); }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 var(--font); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: #c4b5fd; text-decoration: none; }
a:hover { color: #fff; }
img, svg, video { display: block; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
code, kbd { font-family: var(--mono); font-size: .86em; }
code { background: var(--surface-2); padding: .1em .4em; border-radius: 6px; }
kbd {
  display: inline-block; min-width: 1.8em; padding: .05em .45em; text-align: center; font-weight: 600;
  color: var(--ink); background: linear-gradient(#262a3a, #1a1d29);
  border: 1px solid var(--line-strong); border-bottom-width: 3px; border-radius: 7px;
}
h1, h2, h3 { margin: 0; letter-spacing: -.03em; line-height: 1.08; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow {
  margin: 0 0 18px; font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: #a5b4fc;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 999px;
  font-weight: 600; font-size: 15px; color: var(--ink); background: var(--surface-2);
  border: 1px solid var(--line-strong); transition: transform .2s var(--ease), background .2s, box-shadow .2s;
}
.btn:hover { color: #fff; background: rgba(255, 255, 255, .1); transform: translateY(-1px); }
.btn-primary {
  color: #0b0d18; background: var(--grad); border-color: transparent;
  box-shadow: 0 10px 30px -10px rgba(129, 140, 248, .8);
}
.btn-primary:hover { color: #0b0d18; background: var(--grad); box-shadow: 0 14px 40px -10px rgba(129, 140, 248, 1); }
.btn-small { padding: 8px 16px; font-size: 14px; }

/* Scroll progress and navigation */
.progress { position: fixed; inset: 0 0 auto; height: 2px; z-index: 60; }
.progress span { display: block; height: 100%; background: var(--grad); transform-origin: 0 50%; transform: scaleX(0); }
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--nav);
  display: flex; align-items: center; gap: 28px; padding: 0 max(20px, calc((100vw - 1240px) / 2));
  background: rgba(7, 8, 15, .62); backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; font-size: 19px; letter-spacing: -.02em; }
.nav nav { display: flex; gap: 26px; margin-left: auto; }
.nav nav a { color: var(--muted); font-size: 15px; font-weight: 500; white-space: nowrap; }
.nav nav a:hover { color: var(--ink); }
.lang { display: flex; gap: 2px; padding: 3px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line-strong); }
.lang a { padding: 4px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--muted); }
.lang a:hover { color: var(--ink); }
.lang a[aria-current] { color: #0b0d18; background: var(--grad); }
.menu-btn {
  display: none; place-items: center; width: 40px; height: 40px; padding: 0; flex: none; cursor: pointer;
  border-radius: 12px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink);
}
.menu-btn i, .menu-btn i::before, .menu-btn i::after {
  display: block; width: 18px; height: 2px; border-radius: 2px; background: currentColor;
  transition: transform .25s var(--ease), background-color .25s;
}
.menu-btn i { position: relative; }
.menu-btn i::before, .menu-btn i::after { content: ""; position: absolute; left: 0; }
.menu-btn i::before { transform: translateY(-6px); }
.menu-btn i::after { transform: translateY(6px); }
.nav.open .menu-btn i { background-color: transparent; }
.nav.open .menu-btn i::before { transform: rotate(45deg); }
.nav.open .menu-btn i::after { transform: rotate(-45deg); }

/* Hero */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh; padding: calc(var(--nav) + 40px) 20px 120px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; overflow: hidden;
}
.hero h1 { font-size: clamp(2.5rem, 7.2vw, 6.2rem); font-weight: 800; letter-spacing: -.045em; max-width: 1100px; }
/* "like you would in PowerPoint." appears, is struck out, and the new
   promise writes itself over it, letter by letter (typed by main.js). */
.swap { display: grid; }
.swap > * { grid-area: 1 / 1; align-self: center; }
.was { animation: wipe .6s var(--ease) 2s forwards; }
/* The strike is a background strip on a transparent copy of the phrase laid
   over it: it sits on top of the letters and runs across every line the
   phrase wraps onto, one after the other. */
.was { display: grid; }
.was > * { grid-area: 1 / 1; }
.was s {
  color: transparent; text-decoration: none; background: linear-gradient(#f87171, #f87171) no-repeat 0 58% / 0% .085em;
  animation: strike .7s var(--ease) 1.2s forwards;
}
@keyframes strike { to { background-size: 100% .085em; } }
@keyframes wipe { to { opacity: 0; transform: translateY(-.12em) scale(.97); filter: blur(10px); } }
.now { opacity: 0; animation: arrive .8s var(--ease) 2.2s forwards; }
.now.typed { opacity: 1; animation: none; background: none; color: inherit; }
.now.typed .w { display: inline-block; white-space: nowrap; }
.now.typed .w span { display: inline-block; white-space: pre; opacity: 0; animation: arrive .45s var(--ease) forwards; }
@keyframes arrive { from { opacity: 0; transform: translateY(.25em); filter: blur(8px); } to { opacity: 1; transform: none; filter: none; } }
.lede { max-width: 740px; margin: 28px auto 0; text-wrap: balance; font-size: clamp(1.05rem, 1.8vw, 1.3rem); color: var(--muted); }
.lede b { color: var(--ink); font-weight: 650; }
.lede .hl { -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 750; }
.hl-ai { background-image: linear-gradient(100deg, #c4b5fd, #a78bfa); }
.hl-live { background-image: linear-gradient(100deg, #818cf8, #38bdf8); }
.cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 40px; }
.aurora { position: absolute; inset: -20%; z-index: -1; filter: blur(80px); opacity: .55; }
.aurora i { position: absolute; width: 46vmax; height: 46vmax; border-radius: 50%; animation: drift 22s ease-in-out infinite alternate; }
.aurora i:nth-child(1) { left: 10%; top: 5%; background: radial-gradient(circle, #7c3aed, transparent 65%); }
.aurora i:nth-child(2) { right: 5%; top: 20%; background: radial-gradient(circle, #2563eb, transparent 65%); animation-delay: -7s; }
.aurora i:nth-child(3) { left: 35%; bottom: 0; background: radial-gradient(circle, #0891b2, transparent 65%); animation-delay: -14s; }
@keyframes drift { to { transform: translate(8vmax, -6vmax) scale(1.15); } }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px; mask-image: radial-gradient(ellipse at 50% 40%, #000 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 10%, transparent 70%);
}
.scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; white-space: nowrap;
}
.scroll-hint i { width: 22px; height: 34px; border: 2px solid var(--line-strong); border-radius: 12px; position: relative; }
.scroll-hint i::after {
  content: ""; position: absolute; left: 50%; top: 6px; width: 4px; height: 7px; margin-left: -2px;
  border-radius: 2px; background: var(--ink); animation: wheel 1.8s var(--ease) infinite;
}
@keyframes wheel { 0% { opacity: 0; transform: translateY(-2px); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(12px); } }

/* ------------------------------------------------------------------ Story */
.story {
  display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 56px;
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
}
.steps { grid-column: 1; grid-row: 1; padding: 10vh 0 30vh; }
.stage-wrap {
  grid-column: 2; grid-row: 1; position: sticky; top: var(--nav); height: calc(100vh - var(--nav));
  display: flex; align-items: center; justify-content: center;
}
.step {
  min-height: 90vh; display: flex; flex-direction: column; justify-content: center;
  opacity: .25; transition: opacity .5s var(--ease); max-width: 520px;
}
.step.tall { min-height: 150vh; justify-content: flex-start; padding-top: 30vh; }
.step.tall .step-in { position: sticky; top: 34vh; }
.step.active { opacity: 1; }
.step .num {
  font: 600 14px var(--mono); letter-spacing: .1em; margin-bottom: 16px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.step h2 { font-size: clamp(1.7rem, 3.1vw, 2.6rem); font-weight: 750; margin-bottom: 18px; }
.step p { margin: 0 0 14px; color: #c3c7d6; font-size: 1.08rem; }
.step .soft { color: var(--muted); }

.stage { position: relative; width: min(100%, calc(100vh - var(--nav) - 70px)); aspect-ratio: 1; container-type: inline-size; }
.stage::before {
  content: ""; position: absolute; inset: 6%; border-radius: 50%; z-index: -1;
  background: radial-gradient(circle, rgba(99, 102, 241, .22), transparent 65%); filter: blur(30px);
}
.wires { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.wires path {
  fill: none; stroke: rgba(165, 180, 252, .45); stroke-width: 1.5; stroke-dasharray: 3 7;
  animation: flow 1.2s linear infinite; transition: opacity .5s;
}
@keyframes flow { to { stroke-dashoffset: -20; } }

.dev {
  position: absolute; left: var(--x, 50%); top: var(--y, 50%); width: var(--w, 30%);
  opacity: 0; transform: scale(.88); pointer-events: none;
  transition: left 1s var(--ease), top 1s var(--ease), width 1s var(--ease), opacity .6s var(--ease), transform 1s var(--ease), filter .6s;
}
.dev.on { opacity: 1; transform: none; }
.dev.dim { opacity: .2; filter: saturate(.3); }
.dev::after {
  content: attr(data-label); position: absolute; left: 50%; top: 100%; transform: translateX(-50%);
  margin-top: 1.4cqw; white-space: nowrap; font-size: clamp(10px, 2cqw, 14px); font-weight: 600; color: var(--muted);
}
.body { position: relative; container-type: inline-size; }
.dev.ping > .body { animation: ping .7s var(--ease); }
@keyframes ping { 30% { transform: scale(1.04); filter: drop-shadow(0 0 14px rgba(167, 139, 250, .9)); } }

.pulse {
  position: absolute; left: 0; top: 0; z-index: 30; width: 2.4cqw; height: 2.4cqw; border-radius: 50%;
  background: #e0d7ff; box-shadow: 0 0 1.6cqw .8cqw rgba(167, 139, 250, .85); pointer-events: none;
}

/* A deck screen: always 16:9; the slides inside scale with it. --v is the
   simulation's slider, registered so it glides from one value to the next. */
@property --v { syntax: "<number>"; inherits: true; initial-value: 0; }
.screen { position: relative; width: 100%; aspect-ratio: 16 / 9; container-type: inline-size; overflow: hidden; border-radius: 3px; background: #070a1c; transition: --v .9s var(--ease); }
.screen::after { content: ""; position: absolute; inset: 0; background: #000; opacity: 0; transition: opacity .45s; }
.screen.black::after { opacity: 1; }

/* Browser window with the AI chat */
.browser .body { background: #121624; border: 1px solid var(--line-strong); border-radius: 2cqw; overflow: hidden; box-shadow: 0 30px 80px -30px #000; }
.bw-bar { display: flex; align-items: center; gap: 1.2cqw; padding: 1.8cqw 2.2cqw; background: #1a1f30; }
.bw-bar i { width: 1.6cqw; height: 1.6cqw; border-radius: 50%; background: #3a4058; }
.bw-bar i:first-child { background: #f87171; } .bw-bar i:nth-child(2) { background: #fbbf24; } .bw-bar i:nth-child(3) { background: #34d399; }
.bw-bar span { margin-left: 2cqw; padding: .5cqw 3cqw; border-radius: 99px; background: #0f1220; color: var(--muted); font-size: 2.2cqw; }
.bw-view { transition: filter .8s, opacity .8s; }
.browser:not(.c2) .bw-view { filter: blur(1.5cqw); opacity: .2; }
.chat { position: absolute; left: 4cqw; right: 4cqw; bottom: 4cqw; display: flex; flex-direction: column; gap: 2cqw; }
.msg {
  margin: 0; max-width: 72%; padding: 2cqw 3cqw; border-radius: 3cqw; font-size: 2.9cqw; line-height: 1.35;
  opacity: 0; transform: translateY(3cqw) scale(.96); transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.msg.me { align-self: flex-end; background: #4f46e5; color: #fff; border-bottom-right-radius: .8cqw; }
.msg.ai { align-self: flex-start; background: #232a40; color: var(--ink); border-bottom-left-radius: .8cqw; }
.msg .file { display: inline-block; padding: .2cqw 1.6cqw; margin-right: 1cqw; border-radius: 1cqw; background: var(--grad); color: #0b0d18; font-weight: 700; font-family: var(--mono); }
.browser.c1 .me, .browser.c2 .ai { opacity: 1; transform: none; }
.browser.c3 .chat { opacity: 0; transition: opacity .6s; }

/* Laptop with the presenter view */
.lid { padding: 1.8cqw; background: #1b2030; border-radius: 2.6cqw 2.6cqw .8cqw .8cqw; border: 1px solid #2e3548; box-shadow: 0 40px 80px -40px #000; }
.pv {
  aspect-ratio: 16 / 10; display: grid; grid-template-columns: 1.55fr 1fr; grid-template-rows: minmax(0, 1fr) auto;
  gap: 1.4cqw; padding: 1.6cqw; background: #eceef4; border-radius: .6cqw; color: #0f1420; overflow: hidden;
}
.pv-live { position: relative; align-self: center; }
.pv-live .screen { border-radius: .8cqw; box-shadow: 0 1cqw 3cqw -1cqw rgba(15, 20, 32, .5); }
.pv-blanked {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); padding: .6cqw 1.8cqw; border-radius: 99px;
  font-size: 1.7cqw; font-weight: 700; color: #fff; background: #d23b30; opacity: 0; transition: opacity .3s;
}
.stage.black .pv-blanked { opacity: 1; }
.pv-side { display: flex; flex-direction: column; gap: 1.2cqw; min-height: 0; }
.pv-next small, .pv-notes small { display: block; font-size: 1.4cqw; font-weight: 700; color: #646b7a; text-transform: uppercase; letter-spacing: .1cqw; margin-bottom: .5cqw; }
.pv-next .screen { border-radius: .6cqw; }
.pv-notes { flex: 1; min-height: 0; padding: 1.2cqw 1.4cqw; background: #fff; border-radius: .8cqw; border: 1px solid rgba(15, 20, 32, .08); }
.pv-notes p { margin: 0; font-size: 1.75cqw; line-height: 1.4; }
.notes-text b { color: #4338ca; }
.pv-bar { grid-column: 1 / -1; display: flex; gap: 1cqw; }
.chip { padding: .7cqw 1.4cqw; border-radius: .8cqw; background: #fff; border: 1px solid rgba(15, 20, 32, .1); font-size: 1.6cqw; font-weight: 600; white-space: nowrap; }
.chip.timer { font-variant-numeric: tabular-nums; }
.chip.blank { margin-left: auto; transition: background .3s, color .3s; }
.stage.black .chip.blank { background: #d23b30; color: #fff; }
.chip.viewers { color: #646b7a; font-weight: 500; }
.base { height: 2.2cqw; margin: 0 -6%; background: linear-gradient(#cfd4df, #8e95a7); border-radius: 0 0 3cqw 3cqw; }
.keycap {
  position: absolute; right: -2%; top: -7%; z-index: 5; min-width: 6cqw; padding: .6cqw 1.6cqw; text-align: center;
  font: 700 3.2cqw var(--mono); color: #0f1420; background: #fff; border: 2px solid #c8ccd8; border-bottom-width: .9cqw; border-radius: 1.4cqw;
  opacity: 0; transform: translateY(1cqw) scale(.9); transition: opacity .15s, transform .15s;
}
.keycap.on { opacity: 1; transform: none; }

/* The admin page */
.admin .body { background: #121624; border: 1px solid var(--line-strong); border-radius: 2cqw; overflow: hidden; box-shadow: 0 30px 80px -30px #000; }
.ad { padding: 2.4cqw 3cqw 3cqw; color: var(--ink); }
.ad-tabs { display: flex; gap: 1cqw; margin-bottom: 2.6cqw; padding: .7cqw; border-radius: 1.6cqw; background: rgba(0, 0, 0, .3); }
.ad-tabs span { flex: 1; padding: 1.2cqw 0; border-radius: 1.1cqw; text-align: center; font-size: 2.3cqw; font-weight: 600; color: var(--muted); transition: all .35s; }
.admin[data-tab="notes"] [data-tab="notes"], .admin[data-tab="access"] [data-tab="access"], .admin[data-tab="look"] [data-tab="look"] { color: #0b0d18; background: var(--grad); }
.ad-pane { display: none; height: 36cqw; }
.admin[data-tab="notes"] [data-pane="notes"] { display: grid; grid-template-columns: 1fr 1fr; gap: 2.6cqw; align-items: start; }
.admin[data-tab="access"] [data-pane="access"], .admin[data-tab="look"] [data-pane="look"] { display: flex; flex-direction: column; gap: 1.4cqw; }
.ad-pane .screen { border-radius: 1cqw; }
.ad-notes { min-height: 25cqw; padding: 2cqw 2.4cqw; border-radius: 1.4cqw; background: #fff; color: #0f1420; }
.ad-notes small { display: block; margin-bottom: 1cqw; font-size: 1.8cqw; font-weight: 700; color: #646b7a; text-transform: uppercase; letter-spacing: .1cqw; }
.ad-notes p { margin: 0; font-size: 2.6cqw; line-height: 1.45; }
.caret { display: inline-block; width: .3cqw; height: 3cqw; margin-left: .3cqw; vertical-align: -.5cqw; background: #4f46e5; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.ad-row { display: flex; align-items: center; gap: 2.4cqw; padding: 1.4cqw 2.4cqw; border-radius: 1.6cqw; background: rgba(255, 255, 255, .04); border: 1px solid var(--line); transition: border-color .35s; }
.ad-row > span { flex: 1; }
.ad-row b { display: block; font-size: 2.6cqw; }
.ad-row small { display: block; font-size: 2cqw; color: var(--muted); }
.ad-row code { font-size: 2.2cqw; background: none; color: var(--muted); opacity: 0; transition: opacity .35s; }
.ad-row.on { border-color: rgba(165, 180, 252, .4); }
.ad-row.on code { opacity: 1; }
.sw { position: relative; flex: none; width: 7cqw; height: 4cqw; border-radius: 4cqw; background: #2a3044; transition: background .35s; }
.sw::after { content: ""; position: absolute; left: .5cqw; top: .5cqw; width: 3cqw; height: 3cqw; border-radius: 50%; background: #fff; transition: transform .35s var(--ease); }
.ad-row.on .sw { background: #818cf8; }
.ad-row.on .sw::after { transform: translateX(3cqw); }
.ad-field small { display: block; margin-bottom: .8cqw; font-size: 2cqw; color: var(--muted); }
.ad-input { display: block; padding: 1.4cqw 2cqw; border-radius: 1.2cqw; background: #0c0e18; border: 1px solid var(--line-strong); font-size: 2.5cqw; }
.swatches { display: flex; gap: 1.6cqw; }
.swatches i { width: 5cqw; height: 5cqw; border-radius: 50%; transition: box-shadow .3s; }
.swatches [data-c="0"] { background: #818cf8; } .swatches [data-c="1"] { background: #f472b6; }
.swatches [data-c="2"] { background: #34d399; } .swatches [data-c="3"] { background: #fbbf24; }
.swatches .on { box-shadow: 0 0 0 .5cqw #121624, 0 0 0 1cqw #fff; }
.ad-preview { display: flex; align-items: center; justify-content: space-between; padding: 2cqw 2.4cqw; border-radius: 1.6cqw; background: #f5f6f8; color: #0f1420; }
.ad-brand { display: flex; align-items: center; gap: 1.4cqw; font-size: 2.6cqw; }
.ad-brand i { width: 3.4cqw; height: 3.4cqw; border-radius: 1cqw; background: var(--pick, #818cf8); transition: background .5s; }
.ad-btn { padding: 1.2cqw 3cqw; border-radius: 1.2cqw; font-size: 2.3cqw; font-weight: 700; color: #fff; background: var(--pick, #818cf8); transition: background .5s; }

/* slidecast in the middle */
.hub .body {
  aspect-ratio: 1; display: grid; place-items: center; border-radius: 26%;
  background: radial-gradient(circle at 30% 20%, #2a2f55, #12152a); border: 1px solid rgba(165, 180, 252, .35);
  box-shadow: 0 0 6cqw rgba(129, 140, 248, .45), inset 0 0 0 1px rgba(255, 255, 255, .05);
}
.hub .logo { width: 66%; height: auto; aspect-ratio: 1; }
.hub::after { color: #c7d2fe; }

/* Projector screen */
.pj { padding: 1.3cqw; background: #f3f4f8; border-radius: .8cqw; box-shadow: 0 30px 70px -30px rgba(0, 0, 0, .9), 0 0 10cqw rgba(129, 140, 248, .18); }
.pj::before { content: ""; position: absolute; left: -3%; right: -3%; top: -3.5cqw; height: 3cqw; border-radius: 1.5cqw; background: linear-gradient(#3b4257, #1d2232); }

/* Phones and tablet */
.ph {
  position: relative; aspect-ratio: 9 / 19; display: flex; flex-direction: column; justify-content: center;
  padding: 7cqw 5cqw; background: #0b0e16; border: 2.6cqw solid #262c3e; border-radius: 15cqw;
  box-shadow: 0 30px 60px -30px #000;
}
.ph::before { content: ""; position: absolute; left: 50%; top: 3.5cqw; width: 26%; height: 4.5cqw; margin-left: -13%; border-radius: 99px; background: #262c3e; }
.ph-view, .ph-remote { display: flex; flex-direction: column; gap: 5cqw; }
.pill { align-self: flex-start; font-size: 6.5cqw; font-weight: 700; color: #fca5a5; transition: opacity .3s; }
.ph-remote { height: 100%; justify-content: flex-start; padding-top: 6cqw; }
.ph-remote .notes-text { margin: 0; flex: 1; font-size: 7cqw; line-height: 1.35; color: #c3c7d6; overflow: hidden; }
.ph-remote .notes-text b { color: #c4b5fd; }
.ph-btns { display: flex; gap: 5cqw; }
.ph-btns span { flex: 1; display: grid; place-items: center; height: 24cqw; border-radius: 7cqw; background: #1d2233; font-size: 10cqw; color: var(--ink); }
.ph-btns .go { flex: 1.6; background: var(--grad); color: #0b0d18; }
.ph-btns .go.tap { animation: tap .5s var(--ease); }
@keyframes tap { 30% { transform: scale(.9); box-shadow: 0 0 0 4cqw rgba(167, 139, 250, .35); } }
.tablet .ph { aspect-ratio: 4 / 3; padding: 4cqw 4cqw; border-width: 1.6cqw; border-radius: 5cqw; }
.tablet .ph::before { display: none; }
.tablet .ph-view { gap: 2.6cqw; }
.tablet .pill { font-size: 3.2cqw; }
.back-live {
  align-self: center; padding: 1.2cqw 3.6cqw; border-radius: 99px; font-size: 3.4cqw; font-weight: 700;
  color: #0b0d18; background: var(--grad); opacity: 0; transform: translateY(2cqw); transition: opacity .3s, transform .3s;
}
.aud.behind .back-live { opacity: 1; transform: none; }
.aud.behind .pill { color: #a5b4fc; }

/* Viewer modes switch */
.modes {
  position: absolute; left: 50%; top: 1%; transform: translate(-50%, -1cqw); display: flex; gap: .6cqw; padding: .7cqw;
  border-radius: 99px; background: rgba(255, 255, 255, .06); border: 1px solid var(--line-strong);
  font-size: 2.3cqw; font-weight: 600; color: var(--muted); white-space: nowrap; opacity: 0; transition: opacity .5s, transform .5s var(--ease);
}
.modes span { padding: .6cqw 2cqw; border-radius: 99px; }
.modes span { transition: background .4s, color .4s; }
.modes .on { background: var(--grad); color: #0b0d18; }
.stage.show-modes .modes { opacity: 1; transform: translate(-50%, 0); }
.hint {
  position: absolute; left: 0; right: 0; top: 45.5%; margin: 0; text-align: center; font-size: 2.7cqw; font-weight: 650;
  color: #e0e7ff; opacity: 0; transition: opacity .4s;
}
.stage.show-hint .hint { opacity: 1; }
.back-live.tap { animation: tap .45s var(--ease); }
.filechip {
  position: absolute; left: 12%; top: 20%; padding: .6cqw 1.6cqw; border-radius: 1cqw; pointer-events: none;
  font: 700 2.2cqw var(--mono); color: #0b0d18; background: var(--grad); box-shadow: 0 0 3cqw rgba(129, 140, 248, .6); opacity: 0;
}
.stage[data-scene="enter"] .filechip { animation: feed 2.6s var(--ease) 1s infinite; }
@keyframes feed {
  0% { left: 12%; top: 20%; opacity: 0; transform: scale(1); }
  15% { opacity: 1; }
  75% { left: 60%; top: 19%; opacity: 1; transform: scale(.85); }
  100% { left: 63%; top: 19%; opacity: 0; transform: scale(.4); }
}

/* Where it runs */
.place .body {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 2cqw;
  padding: 16% 8%; border-radius: 22%/18%; background: linear-gradient(160deg, rgba(167, 139, 250, .14), rgba(56, 189, 248, .05));
  border: 1px solid rgba(165, 180, 252, .25);
}
.place svg { width: 34cqw; fill: none; stroke: #a5b4fc; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.place b { font-size: 11cqw; letter-spacing: -.02em; line-height: 1.1; }
.place span { font-size: 8.5cqw; color: var(--muted); line-height: 1.3; }

/* The mini deck inside every screen. Units are % of the screen's width,
   font size and line height too, so it looks the same at any size. */
.deck {
  position: absolute; inset: 0; font-size: 3.1cqw; line-height: 1.35; color: #f4f1ea; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(circle at 78% 40%, #1d2a6b 0, #0d1330 55%, #070a1c 100%);
}
.sl { position: absolute; inset: 0; padding: 7cqw 8cqw; opacity: 0; transition: opacity .35s; }
.sl.on { opacity: 1; }
.tag { font-size: 2.3cqw; font-weight: 700; letter-spacing: .3cqw; text-transform: uppercase; color: var(--sun); }
.t1 { display: block; margin-top: 9cqw; font-size: 8.6cqw; line-height: .95; font-weight: 800; letter-spacing: -.25cqw; }
.t2 { display: block; margin-bottom: 4.5cqw; font-size: 4.9cqw; line-height: 1.05; font-weight: 800; letter-spacing: -.1cqw; max-width: 75cqw; }
.sl ul { margin: 0; padding-left: 3.4cqw; font-size: 3.1cqw; line-height: 1.35; }
.sl li { margin-bottom: 2cqw; }
.sl em { font-style: normal; color: var(--sun); }
[data-sub] { opacity: 0; transform: translateY(1.5cqw); transition: opacity .4s, transform .4s; }
[data-sub].shown { opacity: 1; transform: none; }
.orbits { position: absolute; right: 7cqw; top: 13cqw; width: 34cqw; aspect-ratio: 1; }
.orbits i { position: absolute; left: 50%; top: 50%; border-radius: 50%; }
.orbits .sun { width: 6cqw; height: 6cqw; margin: -3cqw; background: radial-gradient(circle, #fff3c4, var(--sun) 60%, #ff7a2f); box-shadow: 0 0 5cqw 1.2cqw rgba(255, 160, 60, .45); }
.orbits .o { border: .18cqw dashed rgba(169, 177, 199, .35); animation: spin linear infinite; }
.orbits u { position: absolute; left: 50%; top: 0; width: 2cqw; height: 2cqw; margin: -1cqw; border-radius: 50%; background: #7dd3fc; }
.orbits .o1 { width: 13cqw; height: 13cqw; margin: -6.5cqw; animation-duration: 4s; }
.orbits .o2 { width: 22cqw; height: 22cqw; margin: -11cqw; animation-duration: 9s; }
.o2 u { background: #f87171; }
.orbits .o3 { width: 32cqw; height: 32cqw; margin: -16cqw; animation-duration: 18s; }
.o3 u { background: #c4b5fd; width: 2.8cqw; height: 2.8cqw; margin: -1.4cqw; }
@keyframes spin { to { transform: rotate(360deg); } }
.lab { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 4cqw; }
.track { position: relative; display: block; height: .9cqw; margin: 3cqw 0 5cqw; border-radius: 1cqw; background: rgba(255, 255, 255, .2); }
.track::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: calc(var(--v, 0) * 100%); border-radius: inherit; background: var(--sun); }
.thumb { position: absolute; left: calc(var(--v, 0) * 100%); top: 50%; width: 3cqw; height: 3cqw; border-radius: 50%; background: #fff; box-shadow: 0 0 0 .6cqw var(--sun); transform: translate(-50%, -50%); }
.years { display: block; font-size: 8cqw; line-height: 1; font-weight: 800; font-variant-numeric: tabular-nums; }
.lab small { display: block; font-size: 2.3cqw; color: #a9b1c7; }
.orbits.mini { position: relative; right: auto; top: auto; width: 30cqw; margin-left: auto; }
.orbits .ov { --size: calc(8cqw + var(--v, 0) * 21cqw); width: var(--size); height: var(--size); margin: calc(var(--size) / -2); animation-duration: 3s; }
.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 2cqw; max-width: 72cqw; }
.choices span { padding: 2.2cqw 3cqw; border-radius: 1.6cqw; font-size: 3.1cqw; background: rgba(255, 255, 255, .07); border: .25cqw solid rgba(255, 255, 255, .12); transition: all .4s; }
.deck.answered .choices span { opacity: .35; }
.deck.answered .choices .right { opacity: 1; border-color: var(--sun); background: rgba(255, 179, 71, .16); }

/* ------------------------------------------------------------- Sections */
.section { max-width: 1180px; margin: 0 auto; padding: 130px 24px; }
.head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.head h2 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 800; }
.head p:not(.eyebrow) { color: var(--muted); font-size: 1.12rem; margin: 20px 0 0; }

.video-frame {
  position: relative; padding: 10px; border-radius: 26px; background: linear-gradient(160deg, rgba(167, 139, 250, .45), rgba(56, 189, 248, .2) 40%, rgba(255, 255, 255, .05));
  box-shadow: 0 50px 120px -40px rgba(99, 102, 241, .55);
}
.video-frame video { width: 100%; height: auto; aspect-ratio: 16 / 9; border-radius: 18px; background: #f5f6f8; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  position: relative; padding: 30px; border-radius: 22px; background: var(--surface); border: 1px solid var(--line); overflow: hidden;
  transition: border-color .3s, transform .4s var(--ease);
}
.card::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .3s; pointer-events: none;
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgba(129, 140, 248, .16), transparent 60%);
}
.card:hover { border-color: rgba(165, 180, 252, .3); transform: translateY(-3px); }
.card:hover::before { opacity: 1; }
.card svg { width: 40px; height: 40px; padding: 8px; margin-bottom: 20px; border-radius: 12px; fill: none; stroke: #c7d2fe; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; background: rgba(129, 140, 248, .14); }
.card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.card p { margin: 0; color: var(--muted); font-size: .98rem; }

/* AI section: pick a step on the left, see it on the right. */
.ai-flow { display: grid; grid-template-columns: minmax(0, .62fr) minmax(0, 1.38fr); gap: 32px; align-items: start; }
.ai-steps { display: flex; flex-direction: column; gap: 10px; position: sticky; top: calc(var(--nav) + 24px); }
.ai-step {
  display: flex; align-items: center; gap: 16px; padding: 16px 18px; border-radius: 18px; text-align: left; cursor: pointer;
  font: inherit; color: var(--muted); background: var(--surface); border: 1px solid var(--line); transition: all .3s var(--ease);
}
.ai-step:hover { color: var(--ink); border-color: var(--line-strong); }
.ai-step .n {
  flex: none; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px;
  font-weight: 800; color: var(--ink); background: var(--surface-2); transition: all .3s;
}
.ai-step b { display: block; color: var(--ink); font-size: 1.05rem; }
.ai-step small { font-size: .9rem; }
.ai-step.on { background: linear-gradient(120deg, rgba(167, 139, 250, .16), rgba(56, 189, 248, .06)); border-color: rgba(165, 180, 252, .4); }
.ai-step.on .n { background: var(--grad); color: #0b0d18; }
.ai-panel:not([hidden]) { animation: arrive .5s var(--ease); }
.ai-lead { margin: 0 0 20px; font-size: 1.08rem; color: #c3c7d6; }
.ai-panel > .soft { color: var(--muted); font-size: .95rem; margin: 16px 0 0; }
.ai-next {
  display: inline-block; margin-top: 20px; padding: 0; border: 0; background: none; cursor: pointer;
  font: 600 15px var(--font); color: #c4b5fd;
}
.ai-next:hover { color: #fff; }

.examples { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.example {
  position: relative; display: flex; flex-direction: column; gap: 10px; padding: 18px 18px 14px; border-radius: 18px;
  background: var(--surface); border: 1px solid var(--line); transition: border-color .3s;
}
.example:hover { border-color: rgba(165, 180, 252, .35); }
.example p { flex: 1; margin: 0; color: var(--ink); font-size: .98rem; line-height: 1.55; }
.example button {
  align-self: flex-start; padding: 6px 12px; border: 0; border-radius: 8px; cursor: pointer;
  font: 600 12px var(--font); color: var(--ink); background: var(--surface-2);
}
.example button:hover { background: rgba(255, 255, 255, .14); }
.tag-pill {
  align-self: flex-start; padding: 3px 10px; border-radius: 99px; font-size: 12px; font-weight: 700; letter-spacing: .04em;
  color: #c7d2fe; background: rgba(129, 140, 248, .16);
}
.tips { margin-top: 22px; }

/* Upload animation: two files become a zip, the zip drops into the admin
   page, it uploads and the deck appears, ready to present. 7 s, looping. */
.up-scene {
  position: relative; aspect-ratio: 16 / 9; container-type: inline-size; border-radius: 22px; overflow: hidden;
  background: radial-gradient(circle at 30% 40%, rgba(99, 102, 241, .18), transparent 60%), #0a0c16; border: 1px solid var(--line);
}
.up-scene > * { position: absolute; }
.up-scene .file, .up-scene .zip {
  display: flex; align-items: center; gap: 1.2cqw; padding: 1.4cqw 2cqw; border-radius: 1.6cqw;
  font: 600 2.1cqw var(--mono); color: var(--ink); background: #1a1f30; border: 1px solid var(--line-strong);
}
.up-scene .file i, .up-scene .zip i { width: 2.6cqw; height: 3.2cqw; border-radius: .5cqw; background: #7dd3fc; flex: none; }
.up-scene .f2 i { background: #fcd34d; }
.up-scene .zip { background: var(--grad); color: #0b0d18; border: 0; }
.up-scene .zip i { background: rgba(11, 13, 24, .5); }
.f1 { left: 5%; top: 34%; }
.f2 { left: 5%; top: 52%; }
.up-scene .zip { left: 9%; top: 43%; }
.up-window { left: 42%; top: 9%; width: 53%; height: 82%; border-radius: 1.8cqw; overflow: hidden; background: #121624; border: 1px solid var(--line-strong); }
.up-window .bw-bar span { font-size: 1.7cqw; }
.up-window .bw-bar { padding: 1.4cqw 1.8cqw; gap: 1cqw; }
.up-window .bw-bar i { width: 1.3cqw; height: 1.3cqw; }
.up-body { position: relative; height: 100%; padding: 2.4cqw; }
.drop {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1.6cqw; height: 46%;
  border: .25cqw dashed var(--line-strong); border-radius: 1.6cqw; font-size: 2cqw; color: var(--muted);
}
.drop .bar { width: 60%; height: .9cqw; border-radius: 1cqw; background: rgba(255, 255, 255, .08); overflow: hidden; opacity: 0; }
.drop .bar i { display: block; width: 100%; height: 100%; background: var(--grad); transform: scaleX(0); transform-origin: 0 50%; }
.deck-row {
  display: flex; align-items: center; gap: 1.6cqw; margin-top: 2.4cqw; padding: 1.4cqw; border-radius: 1.6cqw;
  background: rgba(255, 255, 255, .05); border: 1px solid var(--line); opacity: 0;
}
.deck-row .cover {
  flex: none; width: 13cqw; aspect-ratio: 16 / 9; border-radius: .8cqw; padding: 1cqw; font-size: 1.3cqw; line-height: 1;
  background: radial-gradient(circle at 78% 40%, #1d2a6b 0, #0d1330 60%);
}
.deck-row .meta { flex: 1; }
.deck-row .meta b { display: block; font-size: 1.9cqw; }
.deck-row .meta small { display: block; font-size: 1.5cqw; color: var(--muted); }
.pbtn { padding: .9cqw 1.8cqw; border-radius: 1cqw; font-size: 1.6cqw; font-weight: 700; color: #0b0d18; background: var(--grad); }

.up-scene.play .f1 { animation: up-f1 7s var(--ease) infinite; }
.up-scene.play .f2 { animation: up-f2 7s var(--ease) infinite; }
.up-scene.play .zip { animation: up-zip 7s var(--ease) infinite; }
.up-scene.play .drop { animation: up-drop 7s var(--ease) infinite; }
.up-scene.play .drop .bar { animation: up-bar 7s linear infinite; }
.up-scene.play .drop .bar i { animation: up-fill 7s linear infinite; }
.up-scene.play .deck-row { animation: up-row 7s var(--ease) infinite; }
.up-scene.play .pbtn { animation: up-btn 7s var(--ease) infinite; }
.up-scene:not(.play) .f1, .up-scene:not(.play) .f2, .up-scene:not(.play) .zip { opacity: 0; }
.up-scene:not(.play) .deck-row { opacity: 1; }
@keyframes up-f1 { 0% { opacity: 0; transform: translateY(2cqw); } 8%, 18% { opacity: 1; transform: none; } 26%, 100% { opacity: 0; transform: translateY(4cqw) scale(.8); } }
@keyframes up-f2 { 0%, 4% { opacity: 0; transform: translateY(2cqw); } 12%, 18% { opacity: 1; transform: none; } 26%, 100% { opacity: 0; transform: translateY(-4cqw) scale(.8); } }
@keyframes up-zip {
  0%, 22% { opacity: 0; transform: scale(.6); }
  30% { opacity: 1; transform: scale(1); left: 9%; top: 43%; }
  36% { left: 9%; top: 43%; }
  50% { opacity: 1; left: 55%; top: 26%; transform: scale(.95); }
  55%, 100% { opacity: 0; left: 55%; top: 26%; transform: scale(.6); }
}
@keyframes up-drop {
  0%, 44% { border-color: var(--line-strong); background: transparent; opacity: 1; }
  50%, 64% { border-color: #a5b4fc; background: rgba(129, 140, 248, .1); opacity: 1; }
  70%, 100% { opacity: .35; border-color: var(--line-strong); background: transparent; }
}
@keyframes up-bar { 0%, 52% { opacity: 0; } 54%, 66% { opacity: 1; } 70%, 100% { opacity: 0; } }
@keyframes up-fill { 0%, 54% { transform: scaleX(0); } 66%, 100% { transform: scaleX(1); } }
@keyframes up-row { 0%, 66% { opacity: 0; transform: translateY(2cqw); } 72%, 100% { opacity: 1; transform: none; } }
@keyframes up-btn { 0%, 78% { box-shadow: 0 0 0 0 rgba(167, 139, 250, 0); transform: none; } 82% { box-shadow: 0 0 0 1.2cqw rgba(167, 139, 250, .35); transform: scale(1.06); } 88%, 100% { box-shadow: 0 0 0 0 rgba(167, 139, 250, 0); transform: none; } }

.prompt {
  border-radius: 24px; overflow: hidden; border: 1px solid rgba(165, 180, 252, .28);
  background: linear-gradient(160deg, rgba(167, 139, 250, .12), rgba(12, 14, 24, .95) 45%);
  box-shadow: 0 40px 90px -40px rgba(99, 102, 241, .55);
}
.prompt-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 16px 16px 22px; }
.prompt-title { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; }
.prompt-title svg { width: 22px; fill: none; stroke: #c4b5fd; stroke-width: 1.7; stroke-linejoin: round; }
.prompt-bar .btn { white-space: nowrap; }
.prompt-gets { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 0; padding: 4px 22px 20px; }
.prompt-gets li { padding: 12px 14px; border-radius: 14px; background: rgba(255, 255, 255, .04); border: 1px solid var(--line); }
.prompt-gets b { display: block; font-size: .95rem; margin-bottom: 2px; }
.prompt-gets span { font-size: .88rem; color: var(--muted); }
.prompt-gets code { font-size: .82em; }
.prompt-text {
  position: relative; max-height: 150px; overflow: hidden; margin: 0 22px; border-radius: 14px;
  background: #090b14; border: 1px solid var(--line); transition: max-height .6s var(--ease);
}
.prompt-text::after {
  content: ""; position: absolute; inset: auto 0 0; height: 90px; pointer-events: none;
  background: linear-gradient(transparent, #090b14); transition: opacity .4s;
}
.prompt-text.open { max-height: 900px; }
.prompt-text.open::after { opacity: 0; }
.prompt pre { margin: 0; padding: 16px 18px; font: 12.5px/1.7 var(--mono); color: #aab0c4; white-space: pre-wrap; }
.prompt-toggle {
  display: block; margin: 0 auto; padding: 14px 20px 18px; border: 0; background: none; cursor: pointer;
  font: 600 14px var(--font); color: #c4b5fd;
}
.prompt-toggle::after { content: " ↓"; }
.prompt-toggle[aria-expanded="true"]::after { content: " ↑"; }
.prompt-toggle:hover { color: #fff; }

.cmd { display: flex; align-items: center; gap: 8px; padding: 8px 8px 8px 14px; border-radius: 12px; background: #0c0e18; border: 1px solid var(--line-strong); }
.cmd code { flex: 1; min-width: 0; padding: 0; background: none; font-size: 13px; color: #cdd2e2; white-space: pre-wrap; overflow-wrap: anywhere; }
.cmd button { flex: none; padding: 6px 12px; border: 0; border-radius: 8px; font: 600 12px var(--font); color: var(--ink); background: var(--surface-2); cursor: pointer; }
.cmd button:hover { background: rgba(255, 255, 255, .14); }
.more { text-align: center; text-wrap: balance; margin: 44px 0 0; color: var(--muted); }

/* Use cases */
.cases { border-radius: 28px; background: var(--surface); border: 1px solid var(--line); padding: 14px; }
.tabs { display: flex; gap: 6px; padding: 6px; border-radius: 18px; background: rgba(0, 0, 0, .25); overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar, .ai-steps::-webkit-scrollbar { display: none; }
.tabs button {
  position: relative; flex: 1 0 auto; padding: 12px 18px; border: 0; border-radius: 13px; overflow: hidden; cursor: pointer;
  font: 600 15px var(--font); color: var(--muted); background: transparent; transition: color .3s, background .3s;
}
.tabs button:hover { color: var(--ink); }
.tabs button.on { color: var(--ink); background: rgba(255, 255, 255, .08); }
.tabs button::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--grad);
  transform: scaleX(0); transform-origin: 0 50%;
}
.tabs button.on::after { transform: scaleX(1); }
.tabs button.on.playing::after { animation: cycle var(--cycle, 10s) linear forwards; }
@keyframes cycle { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.case-body { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1fr); gap: 40px; align-items: center; padding: 34px 30px 20px; }
.case-panel h3 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 750; margin-bottom: 16px; }
.case-panel p { margin: 0 0 22px; color: #c3c7d6; font-size: 1.06rem; }
.case-panel:not([hidden]) { animation: arrive .6s var(--ease); }
.ticks { list-style: none; margin: 0; padding: 0; }
.ticks li { position: relative; padding-left: 30px; margin: 10px 0; color: #c3c7d6; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .3em; width: 18px; height: 18px; border-radius: 50%;
  background: rgba(129, 140, 248, .18) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.2l2.6 2.6L13 6.4' fill='none' stroke='%23c7d2fe' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 100% no-repeat;
}
.case-stage .stage { width: 100%; }

/* Setup guide */
.setup { border-radius: 28px; background: var(--surface); border: 1px solid var(--line); padding: 30px; }
.setup-bar { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }
.seg { display: inline-flex; gap: 4px; padding: 5px; border-radius: 14px; background: rgba(0, 0, 0, .3); border: 1px solid var(--line); }
.seg button {
  padding: 9px 16px; border: 0; border-radius: 10px; cursor: pointer; font: 600 14px var(--font);
  color: var(--muted); background: transparent; transition: color .25s, background .25s;
}
.seg button:hover { color: var(--ink); }
.seg button.on { color: #0b0d18; background: var(--grad); }
.setup-intro { margin: 22px 0 0; color: var(--muted); }
.setup-steps { list-style: none; margin: 26px 0 0; padding: 0; counter-reset: step; }
.setup-steps > li { position: relative; counter-increment: step; padding: 0 0 26px 58px; min-width: 0; }
.setup-steps > li::before {
  content: counter(step); position: absolute; left: 0; top: -4px; display: grid; place-items: center; width: 36px; height: 36px;
  border-radius: 11px; background: var(--grad); color: #0b0d18; font-weight: 800;
}
.setup-steps > li:not(:last-child)::after { content: ""; position: absolute; left: 17px; top: 40px; bottom: 6px; width: 2px; background: var(--line-strong); }
.setup-steps h3 { font-size: 1.15rem; margin: 2px 0 10px; }
.setup-steps p { margin: 8px 0; color: #c3c7d6; }
.setup-steps .soft { color: var(--muted); font-size: .94rem; }
.setup-steps p code, .setup-steps li > code, .ticks code { overflow-wrap: anywhere; }
.setup-steps .cmd { margin: 8px 0; max-width: 620px; }
.setup-steps .or { color: var(--muted); margin-left: 8px; }
.setup-steps .ticks li { margin: 6px 0; }
[hidden] { display: none !important; }
.beyond {
  display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; margin-top: 8px; padding: 22px 24px;
  border-radius: 20px; color: var(--muted); border: 1px solid rgba(165, 180, 252, .3);
  background: linear-gradient(120deg, rgba(167, 139, 250, .14), rgba(56, 189, 248, .08));
  transition: transform .3s var(--ease), border-color .3s;
}
.beyond:hover { color: var(--muted); transform: translateY(-2px); border-color: rgba(165, 180, 252, .6); }
.beyond svg { width: 44px; fill: none; stroke: #a5b4fc; stroke-width: 2; stroke-linecap: round; }
.beyond b { display: block; color: var(--ink); font-size: 1.1rem; margin-bottom: 4px; }
.beyond i { font-style: normal; font-weight: 600; color: #c4b5fd; white-space: nowrap; }

.footer {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px;
  max-width: 1180px; margin: 0 auto; padding: 36px 24px 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px;
}
.footer p { margin: 0; }

/* Without scripts nothing moves: no empty stages, no dimmed steps. */
html:not(.js) .stage-wrap, html:not(.js) .case-stage { display: none; }
html:not(.js) .step { opacity: 1; }

/* Reveal on scroll (only when scripts run) */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
.js .hero .reveal { transition-delay: calc(var(--i, 0) * 110ms); }

/* ---------------------------------------------------------------- Mobile */
@media (max-width: 1100px) {
  .nav { gap: 18px; }
  .nav nav { gap: 16px; }
  .nav nav a { font-size: 14px; }
}
@media (max-width: 960px) {
  .grid { grid-template-columns: 1fr 1fr; }
  .case-body { grid-template-columns: 1fr; }
  .case-stage { max-width: 520px; margin: 0 auto; width: 100%; }
  .ai-flow { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .ai-steps { position: static; flex-direction: row; overflow-x: auto; scrollbar-width: none; }
  .ai-step { flex: 1 0 auto; padding: 10px 14px; gap: 10px; }
  .ai-step small { display: none; }
  .ai-step .n { width: 30px; height: 30px; border-radius: 9px; }
  .ai-step b { font-size: .95rem; white-space: nowrap; }
  .examples { grid-template-columns: 1fr; }
  .prompt-gets { gap: 8px; padding: 4px 16px 16px; }
  .prompt-gets li { padding: 10px 12px; }
  .prompt-title { font-size: .95rem; }
  .prompt-text { margin: 0 16px; }
  .prompt-bar { padding: 14px 14px 14px 16px; }
}
@media (max-width: 860px) {
  :root { --nav: 56px; }
  body { font-size: 16px; }
  .nav { gap: 12px; }
  .nav .lang { margin-left: auto; }
  /* The section links fold into a menu under the bar. */
  .js .menu-btn { display: grid; }
  .nav nav {
    position: absolute; top: 100%; left: 0; right: 0; margin: 0; flex-direction: column; gap: 0;
    padding: 6px 20px 14px; background: rgba(7, 8, 15, .97); border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px rgba(0, 0, 0, .45);
    visibility: hidden; opacity: 0; transform: translateY(-8px);
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility 0s .25s;
  }
  .nav.open nav { visibility: visible; opacity: 1; transform: none; transition-delay: 0s; }
  .nav nav a { padding: 13px 2px; font-size: 17px; color: var(--ink); border-bottom: 1px solid var(--line); }
  .nav nav a:last-child { border-bottom: 0; }
  .story { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 0 16px; }
  .stage-wrap {
    grid-column: 1; z-index: 5; height: auto; padding: 14px 0 26px; margin: 0 -16px;
    background: linear-gradient(var(--bg) 82%, transparent);
  }
  .stage { width: min(calc(100% - 32px), 46svh); }
  /* Labels wrap instead of running into their neighbours. */
  .dev::after { width: max-content; max-width: max(100%, 32cqw); white-space: normal; text-align: center; line-height: 1.25; font-size: clamp(9px, 2.6cqw, 12px); }
  .steps { grid-row: 2; padding: 6svh 0 30svh; }
  .step, .step.tall {
    min-height: 0; max-width: none; margin: 0 0 55svh; padding: 22px 20px;
    background: rgba(16, 18, 30, .82); border: 1px solid var(--line); border-radius: 20px;
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); opacity: .5;
  }
  .step.tall { margin-bottom: 95svh; padding-top: 22px; }
  .step.tall .step-in { position: static; }
  .step:last-child { margin-bottom: 0; }
  .step h2 { font-size: 1.45rem; margin-bottom: 12px; }
  .step p { font-size: 1rem; }
  .section { padding: 90px 16px; }
  .footer { flex-direction: column; justify-content: center; text-align: center; gap: 10px; padding: 30px 16px 40px; }
}
@media (max-width: 600px) {
  .grid { grid-template-columns: 1fr; }
  .setup { padding: 20px 16px; }
  .seg { width: 100%; }
  .seg button { flex: 1; padding: 9px 8px; }
  .beyond { grid-template-columns: 1fr; }
  .hero { padding-bottom: 124px; }
  /* Room for the menu button: the GitHub button keeps only its icon. */
  .nav .btn-small { padding: 8px 11px; }
  .gh-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .cta .btn { flex: 1 1 100%; justify-content: center; }
  .video-frame { padding: 5px; border-radius: 16px; }
  .video-frame video { border-radius: 12px; }
}

/* On touch screens a tap leaves :hover on: no lifted cards after a tap. */
@media (hover: none) {
  .btn:hover, .card:hover, .beyond:hover { transform: none; }
  .card:hover::before { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}