/* ════════════════════════════════════════════════════════════════════
   OSMI — minimal editorial site, themed 1:1 with the app (theme.dart)
   light = pure white + warm cream greys + orange
   dark  = near-black panels + the same orange
   ════════════════════════════════════════════════════════════════════ */

:root[data-theme="light"] {
  --bg: #ffffff;
  --bg2: #faf8f4;
  --panel: #f1eee8;
  --inset: #f4f1eb;
  --hover: #f0ece3;
  --border: #e6e1d8;
  --border2: #edeae2;
  --hair: rgba(28, 26, 23, 0.09);
  --fg: #1c1a17;
  --muted: #6e675d;
  --muted2: #a39a8c;
  --accent: #f26b2a;
  --accent2: #ff7e3d;
  --accent-soft: rgba(242, 107, 42, 0.1);
  --code: #faf8f3;
  --shadow: 0 30px 90px -30px rgba(28, 26, 23, 0.22);
  --shadow-sm: 0 12px 40px -16px rgba(28, 26, 23, 0.16);
  --wash: radial-gradient(900px 480px at 50% -8%, rgba(242, 107, 42, 0.07), transparent 70%);
  --fill: #1c1a17;        /* solid buttons flood orange → ink */
  --fill-text: #ffffff;
  --glow: rgba(242, 107, 42, 0.5);
  --grain-o: 0.06;        /* warm paper speckle */
  --grain-b: multiply;
}

:root[data-theme="dark"] {
  --bg: #0b0b0e;
  --bg2: #0a0a0c;
  --panel: #141417;
  --inset: #1c1c20;
  --hover: #18181c;
  --border: #26262b;
  --border2: #1c1c20;
  --hair: rgba(255, 255, 255, 0.1);
  --fg: #f2f2f4;
  --muted: #8c8c93;
  --muted2: #6a6a72;
  --accent: #f26b2a;
  --accent2: #ff7e3d;
  --accent-soft: rgba(242, 107, 42, 0.16);
  --code: #0b0b0e;
  --shadow: 0 30px 90px -30px rgba(0, 0, 0, 0.7);
  --shadow-sm: 0 12px 40px -16px rgba(0, 0, 0, 0.55);
  --wash: radial-gradient(900px 480px at 50% -8%, rgba(242, 107, 42, 0.09), transparent 70%);
  --fill: #f2f2f4;        /* solid buttons flood orange → paper */
  --fill-text: #1c1a17;
  --glow: rgba(242, 107, 42, 0.5);
  --grain-o: 0.09;        /* soft film grain */
  --grain-b: soft-light;
}

/* research mode — the app's third palette (theme.dart): the light theme with
   R/B channels swapped, so every warm cream grey becomes its same-luminance
   cool blue twin; the orange accents give way to a single soft sky blue. */
:root[data-theme="research"] {
  --bg: #ffffff;
  --bg2: #f4f8fa;
  --panel: #e8eef1;
  --inset: #ebf1f4;
  --hover: #e3ecf0;
  --border: #d8e1e6;
  --border2: #e2eaed;
  --hair: rgba(23, 26, 28, 0.09);
  --fg: #171a1c;
  --muted: #5d676e;
  --muted2: #8c9aa3;
  --accent: #5ea8e8;
  --accent2: #8fc6f2;
  --accent-soft: rgba(94, 168, 232, 0.12);
  --code: #f3f8fa;
  --shadow: 0 30px 90px -30px rgba(23, 26, 28, 0.2);
  --shadow-sm: 0 12px 40px -16px rgba(23, 26, 28, 0.14);
  --wash: radial-gradient(900px 480px at 50% -8%, rgba(94, 168, 232, 0.09), transparent 70%);
  --fill: #171a1c;        /* solid buttons flood blue → ink */
  --fill-text: #ffffff;
  --glow: rgba(94, 168, 232, 0.5);
  --grain-o: 0.05;        /* cool paper speckle */
  --grain-b: multiply;
}

/* theme-swapped logo marks (research uses the light assets, like the app) */
:root[data-theme="light"] .mark--dark,
:root[data-theme="research"] .mark--dark { display: none; }
:root[data-theme="dark"] .mark--light { display: none; }

/* view-transition theme morph (JS animates the circle clip) */
::view-transition-old(root),
::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
::view-transition-old(root) { z-index: 1; }
::view-transition-new(root) { z-index: 9999; }

/* ── reset ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: clip;
  transition: background-color 0.45s ease, color 0.45s ease;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--accent); color: #fff; }
code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85em;
  background: var(--inset);
  border: 1px solid var(--border2);
  border-radius: 5px;
  padding: 0.1em 0.4em;
}
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip {
  position: fixed; top: -60px; left: 16px; z-index: 200;
  background: var(--fg); color: var(--bg);
  padding: 10px 16px; border-radius: 10px; transition: top 0.2s;
}
.skip:focus { top: 16px; }

/* shared type helpers */
.serif { font-family: "Instrument Serif", serif; font-style: italic; font-weight: 400; color: var(--accent); letter-spacing: 0; }
.kicker {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
}
.sec-head { max-width: 1200px; margin: 0 auto; padding: 0 32px 56px; }
.sec-head h2 {
  font-size: clamp(30px, 4.4vw, 52px);
  font-weight: 600; letter-spacing: -0.03em; line-height: 1.08;
}

/* card texture — a fine fractal-noise grain, tuned per theme:
   warm paper speckle (light), soft film grain (dark), cool paper (research) */
.fcell::before, .sitem::before, .dl__card::before, .cta__inner::before,
.page__research::before, .demo::before {
  content: ""; position: absolute; inset: 0;
  border-radius: inherit; pointer-events: none; z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 140px 140px;
  opacity: var(--grain-o, 0.06);
  mix-blend-mode: var(--grain-b, multiply);
}

/* scroll progress hairline */
.progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 100%;
  background: var(--accent); transform-origin: 0 50%; transform: scaleX(0);
  z-index: 120; pointer-events: none;
}

/* ── motion primitives ─────────────────────────────────────────────── */
.reveal, [data-stagger] > * {
  opacity: 0;
  transform: translateY(26px);
  filter: blur(7px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.9s cubic-bezier(0.22, 1, 0.36, 1),
              filter 0.9s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--d, 0s);
}
.reveal.in, [data-stagger].in > * {
  opacity: 1; transform: none; filter: blur(0);
}

/* hero load-in: items fade up in order via data-load */
[data-load] { opacity: 0; transform: translateY(22px); filter: blur(6px); }
body.loaded [data-load] {
  opacity: 1; transform: none; filter: blur(0);
  transition: opacity 1s cubic-bezier(0.22, 1, 0.36, 1),
              transform 1s cubic-bezier(0.22, 1, 0.36, 1),
              filter 1s cubic-bezier(0.22, 1, 0.36, 1);
}
body.loaded [data-load="1"] { transition-delay: 0.05s; }
body.loaded [data-load="2"] { transition-delay: 0.5s; }
body.loaded [data-load="3"] { transition-delay: 0.62s; }
body.loaded [data-load="4"] { transition-delay: 0.74s; }
body.loaded [data-load="5"] { transition-delay: 0.55s; }

/* ── buttons — directional flood fill + rolling label ──────────────
   ::before is a circle anchored where the pointer entered (--bx/--by,
   set by JS); on hover it floods the pill and the label rolls up,
   replaced by its own duplicate (::after on .btn__t). */
.btn {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px; border-radius: 999px;
  font-weight: 600; font-size: 14.5px; letter-spacing: -0.01em;
  border: 1px solid transparent; white-space: nowrap;
  transition: color 0.3s ease, border-color 0.3s ease, box-shadow 0.4s ease;
}
.btn::before {
  content: ""; position: absolute;
  left: var(--bx, 50%); top: var(--by, 50%);
  width: 240%; aspect-ratio: 1; border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}
.btn:hover::before { transform: translate(-50%, -50%) scale(1); }
.btn__t { position: relative; z-index: 1; display: inline-block; overflow: hidden; }
.btn__r {
  position: relative; display: inline-block;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.btn__r::after {
  content: attr(data-t); position: absolute; left: 0; top: 110%;
  width: 100%; text-align: center;
}
.btn:hover .btn__r { transform: translateY(-110%); }
.btn--lg { padding: 15px 30px; font-size: 16px; }
.btn--solid { background: var(--accent); color: #fff; }
.btn--solid::before { background: var(--fill); }
.btn--solid:hover {
  color: var(--fill-text);
  box-shadow: 0 16px 44px -14px var(--glow);
}
.btn--ghost { border-color: var(--border); color: var(--fg); background: transparent; }
.btn--ghost::before { background: var(--accent); }
.btn--ghost:hover { color: #fff; border-color: var(--accent); }

/* ── nav — full-width technical bar with hairline rule ─────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  border-bottom: 1px solid var(--border2);
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
              background-color 0.35s ease, border-color 0.35s ease;
}
.nav.is-hidden { transform: translateY(-110%); }
.nav.is-scrolled {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: blur(18px) saturate(1.3);
  backdrop-filter: blur(18px) saturate(1.3);
  border-color: var(--border);
}
.nav__inner {
  max-width: 1380px; margin: 0 auto; height: 66px; padding: 0 28px;
  display: flex; align-items: center; gap: 20px;
}
.brand { display: inline-flex; align-items: center; }
.brand__logo {
  height: 30px; width: auto;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.brand:hover .brand__logo { transform: scale(1.05); }
.nav__tag {
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  letter-spacing: 0.08em; color: var(--muted2);
  border-left: 1px solid var(--border); padding-left: 16px;
}
.nav__links { display: flex; gap: 30px; margin-left: auto; }
.nav__links a {
  position: relative; display: inline-flex; align-items: baseline; gap: 7px;
  padding: 6px 0;
  font-family: "JetBrains Mono", monospace; font-size: 11.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted);
  transition: color 0.22s ease;
}
.nav__links a i { font-style: normal; font-size: 10px; color: var(--accent); }
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav__links a:hover { color: var(--fg); }
.nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__end { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.nav__links + .nav__end { margin-left: 0; }

/* theme toggle — disc that morphs sun ↔ moon */
.theme-btn {
  width: 38px; height: 38px; border-radius: 999px;
  display: grid; place-items: center;
  border: 1px solid var(--border);
  transition: background-color 0.25s ease, border-color 0.25s ease,
              transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.theme-btn:hover { background: var(--hover); transform: rotate(40deg); }
.theme-btn__disc {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  transition: clip-path 0.5s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.3s ease;
  clip-path: circle(60% at 50% 50%);
}
:root[data-theme="dark"] .theme-btn__disc { clip-path: circle(60% at 30% 30%); background: var(--fg); }
:root[data-theme="research"] .theme-btn__disc { clip-path: circle(40% at 50% 50%); background: #5ea8e8; }

/* ── hero — asymmetric split: copy left, 3D window right ───────────── */
.hero { position: relative; padding: 150px 32px 40px; }
.hero__wash {
  position: absolute; inset: 0; pointer-events: none;
  background: var(--wash);
}
.hero__grid {
  position: relative; max-width: 1380px; margin: 0 auto;
  display: grid; grid-template-columns: 1.02fr 0.98fr;
  gap: 56px; align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: "JetBrains Mono", monospace; font-size: 12px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
}
.eyebrow__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-soft); }
  50% { box-shadow: 0 0 0 7px var(--accent-soft); }
}
.hero__title {
  margin: 26px 0 0;
  font-size: clamp(42px, 5.4vw, 78px);
  font-weight: 650; letter-spacing: -0.04em; line-height: 1.03;
}
.hl { display: block; }
.hl--serif { font-family: "Instrument Serif", serif; font-style: italic; font-weight: 400; color: var(--accent); letter-spacing: -0.01em; }
/* masked word reveal */
.hw { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: 0.1em; margin-bottom: -0.1em; }
.hw i {
  display: inline-block; font-style: inherit;
  transform: translateY(115%);
}
body.loaded .hw i {
  transform: translateY(0);
  transition: transform 1.05s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--wd, 0.1s);
}
.hero__sub {
  max-width: 540px; margin: 26px 0 0;
  font-size: clamp(16px, 1.4vw, 18px); color: var(--muted); line-height: 1.7;
}
.hero__sub b { color: var(--fg); font-weight: 600; }
.hero__actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero__points {
  list-style: none; display: flex; flex-wrap: wrap; gap: 10px 26px;
  margin-top: 30px;
}
.hero__points li {
  font-family: "JetBrains Mono", monospace; font-size: 12px;
  letter-spacing: 0.03em; color: var(--muted2);
}
.hero__points li::before { content: "✓ "; color: var(--accent); }

/* the app window, standing in 3D; it straightens when you reach for it */
.hero__shot { position: relative; margin: 0; perspective: 1700px; }
.hero__glow {
  position: absolute; inset: -10% -14%; pointer-events: none;
  background: radial-gradient(58% 54% at 55% 45%, var(--accent-soft), transparent 72%);
}
.window--hero {
  position: relative;
  transform: rotateY(-9deg) rotateX(2.5deg);
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.hero__shot:hover .window--hero { transform: rotateY(0deg) rotateX(0deg); }

.window {
  border-radius: 16px; overflow: hidden;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
  will-change: transform;
}
.window__bar {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 14px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border2);
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot--r { background: #ff5f57; } .dot--y { background: #febc2e; } .dot--g { background: #28c840; }
.window__title {
  margin: 0 auto; transform: translateX(-22px);
  font-family: "JetBrains Mono", monospace; font-size: 11.5px; color: var(--muted2);
}

/* ── agent marquee ─────────────────────────────────────────────────── */
.strip { padding: 84px 0 30px; }
.strip__label {
  text-align: center; font-family: "JetBrains Mono", monospace;
  font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted2); margin-bottom: 30px; padding: 0 32px;
}
.marquee {
  overflow: hidden; white-space: nowrap;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track {
  display: inline-flex; align-items: center; gap: 44px;
  padding-right: 44px;
  animation: marquee 26s linear infinite;
  will-change: transform;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track span {
  font-size: clamp(22px, 3vw, 34px); font-weight: 600; letter-spacing: -0.03em;
  color: var(--muted);
  transition: color 0.3s ease;
}
.marquee__track span:hover { color: var(--accent); }
.marquee__track i { color: var(--accent); font-style: normal; font-size: 14px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ── stats ─────────────────────────────────────────────────────────── */
.stats {
  max-width: 1200px; margin: 70px auto 0; padding: 0 32px;
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: 30px 26px; border-left: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 4px;
}
.stat:first-child { border-left: 0; }
.stat__n { font-size: clamp(36px, 4.4vw, 56px); font-weight: 650; letter-spacing: -0.04em; line-height: 1; }
.stat__n em { font-style: normal; font-size: 0.45em; color: var(--accent); margin-left: 3px; font-weight: 600; }
.stat__l { color: var(--muted); font-size: 14px; }

/* ── statement (scroll-scrubbed words) ─────────────────────────────── */
.statement { padding: 160px 32px; }
.statement__markwrap { display: flex; justify-content: center; margin-bottom: 42px; }
.statement__mark {
  width: clamp(110px, 13vw, 170px);
  animation: bob 5.5s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(-2.5deg); }
}
.statement__text {
  max-width: 1060px; margin: 0 auto;
  font-size: clamp(28px, 4.6vw, 56px);
  font-weight: 600; letter-spacing: -0.035em; line-height: 1.18;
  text-align: center;
}
.statement__text .accent { color: var(--accent); font-family: "Instrument Serif", serif; font-style: italic; font-weight: 400; }
.scrub .w { opacity: 0.14; transition: opacity 0.18s linear; will-change: opacity; }

/* ── features (hairline grid) ──────────────────────────────────────── */
.features { padding: 110px 0 0; }
.fgrid {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: repeat(3, 1fr);
}
.fcell {
  position: relative; padding: 34px 30px 38px;
  background: var(--bg);
  outline: 1px solid var(--border);
  outline-offset: -0.5px;
  transition: background-color 0.35s ease;
  overflow: hidden;
}
.fcell::after {
  content: "↗";
  position: absolute; top: 26px; right: 26px;
  color: var(--accent); font-size: 17px;
  opacity: 0; transform: translate(-8px, 8px);
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.fcell:hover { background: var(--bg2); }
.fcell:hover::after { opacity: 1; transform: translate(0, 0); }
/* a lone cell on the last row stretches the full width */
.fcell:nth-child(3n + 1):last-child { grid-column: 1 / -1; }
.fcell__i {
  font-family: "JetBrains Mono", monospace; font-size: 12px;
  color: var(--accent); letter-spacing: 0.1em;
}
.fcell__tag {
  display: inline-block; margin-left: 10px;
  font-family: "JetBrains Mono", monospace; font-size: 10px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: #5ea8e8; border: 1px solid rgba(94, 168, 232, 0.35);
  border-radius: 999px; padding: 2px 9px; vertical-align: 1px;
}
.fcell h3 { margin: 46px 0 10px; font-size: 19px; font-weight: 600; letter-spacing: -0.02em; }
.fcell p { color: var(--muted); font-size: 14.5px; line-height: 1.65; }

/* ── two moods showcase ────────────────────────────────────────────── */
.moods {
  max-width: 1200px; margin: 0 auto; padding: 160px 32px;
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: center;
}
.moods__copy h2 { font-size: clamp(30px, 4.4vw, 52px); font-weight: 600; letter-spacing: -0.03em; line-height: 1.08; }
.moods__p { color: var(--muted); margin: 22px 0 0; max-width: 440px; }
.moods__p b { color: var(--fg); font-weight: 600; }

/* the mini-app: a self-themed panel driven by [data-mood] */
.app {
  --abg: #0b0b0e; --apanel: #141417; --ainset: #1c1c20; --abrd: #26262b;
  --afg: #f2f2f4; --amut: #8c8c93; --arail: #0a0a0c;
  --aacc: #f26b2a; --aglow: rgba(242, 107, 42, 0.55);
  border-radius: 18px; overflow: hidden;
  border: 1px solid var(--border);
  background: var(--abg);
  box-shadow: var(--shadow);
  transition: background-color 0.6s ease;
  will-change: transform;
}
.app[data-mood="light"] {
  --abg: #ffffff; --apanel: #f1eee8; --ainset: #f4f1eb; --abrd: #e6e1d8;
  --afg: #1c1a17; --amut: #6e675d; --arail: #faf8f4;
}
.app[data-mood="research"] {
  --abg: #ffffff; --apanel: #e8eef1; --ainset: #ebf1f4; --abrd: #d8e1e6;
  --afg: #171a1c; --amut: #5d676e; --arail: #f4f8fa;
  --aacc: #5ea8e8; --aglow: rgba(94, 168, 232, 0.45);
}
.app__bar {
  display: flex; align-items: center; gap: 7px; padding: 12px 14px;
  background: var(--arail); border-bottom: 1px solid var(--abrd);
  transition: background-color 0.6s ease, border-color 0.6s ease;
}
.adot { width: 10px; height: 10px; border-radius: 50%; }
.adot--r { background: #ff5f57; } .adot--y { background: #febc2e; } .adot--g { background: #28c840; }
.app__t { margin: 0 auto; transform: translateX(-20px); font-family: "JetBrains Mono", monospace; font-size: 11px; color: var(--amut); transition: color 0.6s ease; }
.app__body { display: grid; grid-template-columns: 168px 1fr; min-height: 360px; }
.app__rail {
  background: var(--arail); border-right: 1px solid var(--abrd);
  padding: 18px 12px; display: flex; flex-direction: column; gap: 4px;
  transition: background-color 0.6s ease, border-color 0.6s ease;
}
.app__item {
  font-size: 12.5px; color: var(--amut); padding: 7px 10px; border-radius: 8px;
  transition: color 0.6s ease, background-color 0.3s ease;
  cursor: default;
}
.app__item:hover { background: var(--ainset); }
.app__item.is-on { color: var(--afg); background: var(--ainset); }
/* research-only pages appear in the rail when the mood flips, like the app */
.app__item--research { display: none; color: var(--aacc); }
.app[data-mood="research"] .app__item--research {
  display: block;
  animation: railIn 0.5s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}
.app[data-mood="research"] .app__item--research:nth-of-type(5) { animation-delay: 0.08s; }
@keyframes railIn { from { opacity: 0; transform: translateX(-9px); } }
.app__user {
  margin-top: auto; display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--amut); padding: 7px 10px; transition: color 0.6s ease;
}
.app__user i { width: 8px; height: 8px; border-radius: 50%; background: #28c840; }
.app__main { position: relative; padding: 52px 34px 30px; display: flex; flex-direction: column; }
.app__hi { font-size: 21px; font-weight: 600; letter-spacing: -0.02em; color: var(--afg); transition: color 0.6s ease; }
.app__q { font-size: 13px; color: var(--amut); margin-top: 5px; transition: color 0.6s ease; }
.app__composer {
  margin-top: 26px; display: flex; align-items: center;
  background: var(--apanel); border: 1px solid var(--abrd); border-radius: 13px;
  padding: 13px 15px;
  transition: background-color 0.6s ease, border-color 0.6s ease;
}
.app__typed { font-family: "JetBrains Mono", monospace; font-size: 12.5px; color: var(--amut); transition: color 0.6s ease; }
.caret {
  display: inline-block; width: 7px; height: 14px; margin-left: 2px;
  background: var(--aacc); vertical-align: text-bottom;
  animation: blink 1.05s steps(1) infinite;
  transition: background-color 0.6s ease;
}
@keyframes blink { 50% { opacity: 0; } }
.app__send {
  margin-left: auto; width: 26px; height: 26px; border-radius: 8px;
  display: grid; place-items: center;
  background: var(--aacc); color: #fff; font-size: 13px;
  transition: background-color 0.6s ease;
}
.app__chips { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.app__chips span {
  font-size: 11.5px; color: var(--amut);
  border: 1px solid var(--abrd); border-radius: 999px; padding: 5px 12px;
  transition: color 0.6s ease, border-color 0.6s ease, background-color 0.25s ease;
}
.app__chips span:hover { background: var(--ainset); }

/* the tubelight — the app's signature theme switch (cycles all three moods) */
.tube {
  position: absolute; top: 18px; right: 20px;
  width: 9px; height: 56px; border-radius: 999px;
  background: var(--aacc);
  box-shadow: 0 0 18px 3px var(--aglow);
  transition: background-color 0.6s ease, box-shadow 0.5s ease,
              transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.tube:hover { transform: scaleY(1.12); }
.tube::after {
  content: ""; position: absolute; left: 50%; top: -12px;
  width: 1.5px; height: 12px; background: var(--abrd);
  transform: translateX(-50%);
}
.app[data-mood="light"] .tube,
.app[data-mood="research"] .tube { box-shadow: 0 0 26px 6px var(--aglow); }

/* mood specifications — palette tokens straight from theme.dart */
.specs { margin: 26px 0 30px; border-top: 1px solid var(--border); max-width: 440px; }
.spec {
  width: 100%; display: flex; align-items: center; gap: 14px;
  padding: 13px 4px; border-bottom: 1px solid var(--border);
  text-align: left; cursor: pointer;
  transition: padding-left 0.35s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.25s ease;
}
.spec:hover { padding-left: 12px; }
.spec.is-active { padding-left: 12px; background: var(--bg2); }
.spec__sw { display: flex; gap: 5px; flex: none; }
.spec__sw i {
  width: 15px; height: 15px; border-radius: 5px;
  background: var(--c); border: 1px solid var(--hair);
}
.spec__name { font-weight: 600; font-size: 14px; min-width: 78px; transition: color 0.25s ease; }
.spec.is-active .spec__name { color: var(--accent); }
.spec__hex {
  margin-left: auto; font-family: "JetBrains Mono", monospace;
  font-size: 11px; color: var(--muted2); letter-spacing: 0.02em;
  background: transparent; border: 0; padding: 0;
}

/* ── workflow ──────────────────────────────────────────────────────── */
.flow { padding: 40px 0 160px; }
.flow__grid {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px;
}
.step { border-top: 1px solid var(--border); padding-top: 26px; position: relative; }
.step::before {
  content: ""; position: absolute; top: -1px; left: 0;
  width: 0; height: 1px; background: var(--accent);
  transition: width 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.25s;
}
[data-stagger].in .step::before { width: 52px; }
.step__n {
  font-family: "JetBrains Mono", monospace; font-size: 13px; color: var(--accent);
  letter-spacing: 0.12em;
}
.step h3 { margin: 16px 0 8px; font-size: 21px; font-weight: 600; letter-spacing: -0.02em; }
.step p { color: var(--muted); font-size: 15px; }

/* ── security ──────────────────────────────────────────────────────── */
.secure { padding: 0 0 160px; }
.secure__grid {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: repeat(2, 1fr);
}
.sitem {
  position: relative;
  background: var(--bg2); padding: 32px 30px;
  outline: 1px solid var(--border); outline-offset: -0.5px;
  transition: background-color 0.35s ease;
}
.sitem:hover { background: var(--hover); }
.sitem h3 { font-size: 17px; font-weight: 600; letter-spacing: -0.015em; display: flex; align-items: center; gap: 10px; }
.sitem h3::before {
  content: ""; width: 8px; height: 8px; border-radius: 2px;
  background: var(--accent); flex: none;
}
.sitem p { color: var(--muted); font-size: 14.5px; margin-top: 10px; line-height: 1.65; }

/* ── download ──────────────────────────────────────────────────────── */
.dl { padding: 0 0 150px; }
.dl__grid {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.dl__card {
  position: relative;
  border: 1px solid var(--border); border-radius: 18px;
  padding: 32px 28px; background: var(--bg2);
  display: flex; flex-direction: column; gap: 8px;
  transition: border-color 0.3s ease, box-shadow 0.4s ease, background-color 0.3s ease;
  will-change: transform;
}
.dl__card:hover { border-color: var(--muted2); box-shadow: var(--shadow-sm); }
.dl__os { font-family: "JetBrains Mono", monospace; font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.dl__card h3 { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; }
.dl__p { color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.dl__card .btn { align-self: flex-start; }
.dl__card small { color: var(--muted2); font-size: 12px; margin-top: 12px; }
.dl__note {
  max-width: 1200px; margin: 26px auto 0; padding: 0 32px;
  color: var(--muted2); font-size: 13.5px;
}

/* book-a-demo panel (temporary stand-in for the download cards) */
.demo {
  position: relative; overflow: hidden;
  max-width: 820px; margin: 0 auto; padding: 48px 48px 42px;
  border: 1px solid var(--border); border-radius: 22px;
  background:
    radial-gradient(480px 240px at 50% 0%, var(--accent-soft), transparent 70%),
    var(--bg2);
  text-align: center;
  will-change: transform;
}
.demo__p { color: var(--muted); line-height: 1.75; max-width: 600px; margin: 0 auto; }
.demo__actions {
  display: flex; align-items: center; justify-content: center;
  gap: 20px; flex-wrap: wrap; margin-top: 30px;
}
.demo__mail { font-size: 14px; color: var(--muted2); }
.demo__mail a { color: var(--accent); }
.demo__mail a:hover { text-decoration: underline; }
.demo__note {
  margin-top: 24px;
  font-family: "JetBrains Mono", monospace; font-size: 12px;
  letter-spacing: 0.05em; color: var(--muted2);
}

/* ── faq ───────────────────────────────────────────────────────────── */
.faq { padding: 0 0 160px; }
.faq__list { max-width: 820px; margin: 0 auto; padding: 0 32px; }
.faq details { border-top: 1px solid var(--border); }
.faq details:last-child { border-bottom: 1px solid var(--border); }
.faq summary {
  list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 24px 4px; cursor: pointer;
  font-size: 17.5px; font-weight: 600; letter-spacing: -0.015em;
  transition: color 0.25s ease;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--accent); }
.faq__x { position: relative; width: 14px; height: 14px; flex: none; }
.faq__x::before, .faq__x::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  background: var(--accent); border-radius: 2px;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.faq__x::before { width: 14px; height: 2px; }
.faq__x::after { width: 2px; height: 14px; }
.faq details[open] .faq__x::after { transform: rotate(90deg) scaleY(0); }
.faq details[open] .faq__x::before { transform: rotate(180deg); }
.faq__body { overflow: hidden; }
.faq__body p { color: var(--muted); padding: 0 4px 26px; max-width: 700px; line-height: 1.7; }

/* ── cta ───────────────────────────────────────────────────────────── */
.cta { padding: 0 32px 140px; }
.cta__inner {
  position: relative;
  max-width: 1200px; margin: 0 auto; text-align: center;
  border: 1px solid var(--border); border-radius: 28px;
  background:
    radial-gradient(640px 320px at 50% 0%, var(--accent-soft), transparent 70%),
    var(--bg2);
  padding: 90px 40px;
}
.cta__icon {
  width: 92px; height: 92px; object-fit: cover;
  border-radius: 24%; margin: 0 auto 28px;
  box-shadow: 0 20px 50px -16px rgba(0, 0, 0, 0.5);
  transition: transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.cta__inner:hover .cta__icon { transform: scale(1.08) rotate(-4deg); }
.cta__inner h2 { font-size: clamp(32px, 5vw, 60px); font-weight: 600; letter-spacing: -0.035em; line-height: 1.06; }
.cta__inner > p { color: var(--muted); margin: 18px 0 34px; font-size: 17px; }
.cta__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ── footer — contact CTA, link rail, legal bar, giant wordmark ───── */
.footer { border-top: 1px solid var(--border); background: var(--bg2); overflow: hidden; }
.footer__cta {
  max-width: 1200px; margin: 0 auto;
  padding: 90px 32px 70px;
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 40px; flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}
.footer__cta h2 {
  font-size: clamp(34px, 5vw, 62px);
  font-weight: 600; letter-spacing: -0.035em; line-height: 1.04;
}
.footer__grid {
  max-width: 1200px; margin: 0 auto;
  padding: 60px 32px 70px;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
}
.footer__brandcol p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.footer__octo { width: 92px; margin-bottom: 18px; }
.footer__ver {
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px !important; color: var(--muted2) !important;
  letter-spacing: 0.06em; margin-top: 14px;
}
.footer__col h4 {
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted2);
  margin-bottom: 16px; font-weight: 500;
}
/* links slide right as an orange dash draws in */
.footer__col a {
  position: relative; display: block; width: fit-content;
  color: var(--muted); font-size: 14.5px; padding: 5px 0;
  transition: color 0.25s ease, transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.footer__col a::before {
  content: ""; position: absolute; left: -22px; top: 50%;
  width: 14px; height: 2px; border-radius: 2px;
  background: var(--accent); transform: translateY(-50%) scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.footer__col a:hover { color: var(--fg); transform: translateX(22px); }
.footer__col a:hover::before { transform: translateY(-50%) scaleX(1); }
.footer__bar {
  max-width: 1200px; margin: 0 auto;
  padding: 22px 32px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
  border-top: 1px solid var(--border);
}
.footer__bar p { color: var(--muted2); font-size: 12.5px; }
.footer__org {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
  transition: color 0.22s ease, text-decoration-color 0.22s ease;
}
.footer__org:hover { color: var(--accent); text-decoration-color: var(--accent); }
.footer__bar-links { display: flex; gap: 20px; }
.footer__bar-links a {
  font-size: 12.5px; color: var(--muted2);
  transition: color 0.22s ease;
}
.footer__bar-links a:hover { color: var(--accent); }
.totop {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 8px 16px; overflow: hidden;
  transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}
.totop i { font-style: normal; display: inline-block; transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1); }
.totop:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.totop:hover i { transform: translateY(-3px); }
/* the giant wordmark, rising out of the page edge */
.footer__giant { padding: 30px 32px 0; line-height: 0; }
.footer__giant img {
  width: min(1080px, 94vw); margin: 0 auto -2.2%;
  opacity: 0; transform: translateY(34%);
  transition: opacity 1.1s cubic-bezier(0.22, 1, 0.36, 1),
              transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}
.footer__giant.in img { opacity: 1; transform: translateY(0); }

/* ── subpages: feature details & legal ─────────────────────────────── */
.page { max-width: 880px; margin: 0 auto; padding: 150px 32px 90px; }
.page__back {
  display: inline-block;
  font-family: "JetBrains Mono", monospace; font-size: 12px;
  letter-spacing: 0.08em; color: var(--muted2); margin-bottom: 36px;
  transition: color 0.22s ease, transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.page__back:hover { color: var(--accent); transform: translateX(-5px); }
.page h1 {
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 600; letter-spacing: -0.035em; line-height: 1.06;
  margin-top: 14px;
}
.page__lede { font-size: 18px; color: var(--muted); margin-top: 20px; line-height: 1.75; max-width: 680px; }
.page__lede b { color: var(--fg); font-weight: 600; }
.page__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.page__chips span {
  font-family: "JetBrains Mono", monospace; font-size: 11.5px;
  color: var(--muted); border: 1px solid var(--border);
  border-radius: 999px; padding: 6px 14px;
  transition: border-color 0.25s ease, color 0.25s ease;
}
.page__chips span:hover { border-color: var(--accent); color: var(--fg); }
.fp { margin-top: 54px; border-top: 1px solid var(--border); padding-top: 32px; }
.fp h2 { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 14px; }
.fp p { color: var(--muted); line-height: 1.75; margin-bottom: 12px; max-width: 720px; }
.fp b { color: var(--fg); font-weight: 600; }
.fp ul { margin: 12px 0 0 20px; color: var(--muted); line-height: 1.85; }
.fp li::marker { color: var(--accent); }
.page__research {
  position: relative; overflow: hidden;
  margin-top: 54px; border: 1px solid var(--border); border-radius: 18px;
  background: var(--bg2); padding: 30px 32px;
}
.page__research .kicker { color: #5ea8e8; }
.page__research p { color: var(--muted); line-height: 1.75; max-width: 700px; }
.page__research b { color: var(--fg); font-weight: 600; }
.page__cta { margin-top: 60px; display: flex; gap: 14px; flex-wrap: wrap; }
.page__date {
  font-family: "JetBrains Mono", monospace; font-size: 12px;
  color: var(--muted2); margin-top: 16px; letter-spacing: 0.05em;
}

/* ── responsive ────────────────────────────────────────────────────── */
@media (max-width: 1080px) {
  .nav__tag { display: none; }
  .hero__grid { grid-template-columns: 1fr; gap: 44px; }
  .hero__shot { perspective: none; max-width: 760px; }
  .window--hero { transform: none; }
}
@media (max-width: 980px) {
  .moods { grid-template-columns: 1fr; gap: 44px; padding: 110px 32px; }
  .fgrid { grid-template-columns: repeat(2, 1fr); }
  .dl__grid { grid-template-columns: 1fr; }
  .flow__grid { grid-template-columns: 1fr; gap: 30px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  .stat { border-top: 1px solid var(--border); }
  .stat:nth-child(-n + 2) { border-top: 0; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav__links { display: none; }
  .hero { padding-top: 130px; }
  .fgrid { grid-template-columns: 1fr; }
  .secure__grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .app__body { grid-template-columns: 1fr; }
  .app__rail { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--abrd); }
  .app__user { display: none; }
  .sec-head, .statement { padding-left: 24px; padding-right: 24px; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__cta { padding-top: 70px; }
}

/* ── reduced motion: everything readable, nothing moving ──────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, [data-stagger] > *, [data-load] { opacity: 1 !important; transform: none !important; filter: none !important; }
  .hw i { transform: none !important; }
  .scrub .w { opacity: 1 !important; }
  .footer__giant img { opacity: 1 !important; transform: none !important; }
}