/* Ostrion website: same calm graphite/white language as the app. Colour only comes from the models. */
:root {
  --bg: #FBFBFA;
  --surface: #FFFFFF;
  --surface-2: #F2F2EF;
  --border: #E3E3DF;
  --border-strong: #D6D6D1;
  --text: #17181C;
  --text-2: #3D3F45;
  --muted: #5E6066;
  --primary-bg: #17181C;
  --primary-text: #FFFFFF;
  --anthropic: #B4531A;
  --google: #2F5BD8;
  --ok-text: #0B5E52;
  --ok-bg: #EEF7F3;
  --ok-border: #8BBFA9;
  --error-text: #9A3412;
  --error-bg: #FFF4EE;
  --error-border: #F3D3C2;
  --user-bubble: #ECECE8;
  --dash: #C9C9C3;
  --mono: "IBM Plex Mono", "Cascadia Mono", Consolas, "SF Mono", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #000000; --surface: #0A0A0B; --surface-2: #0F0F11; --border: #1C1C20; --border-strong: #2A2A30;
    --text: #ECECEA; --text-2: #C9CAD0; --muted: #A2A4AB; --primary-bg: #ECECEA; --primary-text: #121316;
    --anthropic: #E07B45; --google: #6E92F0; --ok-text: #7FD1B3; --ok-bg: #10261F; --ok-border: #2B5A4A;
    --error-text: #F4A88A; --error-bg: #2A1A14; --error-border: #5A3020; --user-bubble: #19191C; --dash: #3A3A40;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #000000; --surface: #0A0A0B; --surface-2: #0F0F11; --border: #1C1C20; --border-strong: #2A2A30;
  --text: #ECECEA; --text-2: #C9CAD0; --muted: #A2A4AB; --primary-bg: #ECECEA; --primary-text: #121316;
  --anthropic: #E07B45; --google: #6E92F0; --ok-text: #7FD1B3; --ok-bg: #10261F; --ok-border: #2B5A4A;
  --error-text: #F4A88A; --error-bg: #2A1A14; --error-border: #5A3020; --user-bubble: #19191C; --dash: #3A3A40;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif; font-size: 16px; line-height: 1.6;
}
a { color: inherit; }
img { max-width: 100%; }
.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 720px; }

/* Header */
.site-head { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.site-head .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 18px; text-decoration: none; }
.logo { width: 24px; height: 24px; border-radius: 7px; background: var(--text); display: inline-block; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { text-decoration: none; color: var(--text-2); padding: 8px 12px; border-radius: 8px; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { background: var(--surface-2); color: var(--text); }
/* Light/dark switch, same as in the app: sun on the left, moon on the right, the knob slides between them. */
:root { --track: #E4E4DF; --knob: #FFFFFF; }
:root[data-theme="dark"] { --track: #1C1C20; --knob: #ECECEA; }
.theme-switch {
  position: relative; width: 64px; height: 34px; padding: 0; border: 1px solid var(--border-strong); cursor: pointer;
  border-radius: 17px; background: var(--track); display: flex; align-items: center; justify-content: space-between; flex-shrink: 0;
}
.theme-switch .icon { width: 30px; display: flex; justify-content: center; position: relative; z-index: 1; color: var(--muted); }
.theme-switch .knob {
  position: absolute; top: 3px; left: 3px; width: 26px; height: 26px; border-radius: 50%;
  background: var(--knob); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25); transition: transform 0.2s ease;
}
.theme-switch[aria-checked="true"] .knob { transform: translateX(30px); }
.theme-switch[aria-checked="false"] .icon.sun { color: var(--text); }
.theme-switch[aria-checked="true"] .icon.moon { color: var(--primary-text); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 20px;
  border-radius: 12px; font: inherit; font-weight: 500; text-decoration: none; cursor: pointer; border: 1px solid transparent;
}
.btn.primary { background: var(--primary-bg); color: var(--primary-text); }
.btn.ghost { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn[aria-disabled="true"], .btn:disabled { opacity: 0.55; cursor: default; }
.soon-tag { font-size: 12px; padding: 1px 8px; border-radius: 6px; border: 1px solid currentColor; opacity: 0.8; font-weight: 500; }

/* Hero */
.hero { padding: 72px 0 56px; }
.hero .wrap { display: flex; flex-direction: column; align-items: center; gap: 48px; }
.hero-text { text-align: center; display: flex; flex-direction: column; align-items: center; }
.hero-text .cta { justify-content: center; }
.eyebrow { display: inline-flex; gap: 8px; align-items: center; font-size: 13px; color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; background: var(--surface); }
.hero h1 { font-size: clamp(36px, 5vw, 54px); line-height: 1.08; margin: 18px 0 16px; letter-spacing: -0.02em; }
.hero .lead { font-size: 19px; color: var(--text-2); margin: 0 0 28px; max-width: 34em; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.dots { display: inline-flex; gap: 5px; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.dot.anthropic { background: var(--anthropic); }
.dot.google { background: var(--google); }
.dot.other { background: var(--muted); }

/* App preview built in HTML (illustration, no real data) */
.preview { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; }
.preview-bar { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 14px; font-weight: 600; }
.preview-bar .tag { margin-left: auto; font-size: 11.5px; font-weight: 400; color: var(--muted); border: 1px solid var(--border); border-radius: 6px; padding: 1px 7px; }
.preview-body { padding: 20px 18px; display: flex; flex-direction: column; gap: 16px; font-size: 14px; }
.p-msg { display: flex; flex-direction: column; gap: 4px; }
.p-meta { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 7px; }
.p-msg.user { align-items: flex-end; }
.p-msg.user .p-text { background: var(--user-bubble); padding: 8px 12px; border-radius: 12px; max-width: 80%; }
.p-switch { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--muted); text-align: center; }
.p-switch::before, .p-switch::after { content: ""; flex: 1; border-top: 1px dashed var(--dash); }
.p-composer { margin: 0 18px 18px; border: 1px solid var(--border-strong); border-radius: 14px; padding: 10px 14px; color: var(--muted); font-size: 14px; display: flex; justify-content: space-between; }
.p-composer span:last-child { color: var(--text-2); }

/* Sections */
section { padding: 56px 0; }
.section-head { max-width: 640px; margin-bottom: 32px; }
.section-head h2 { font-size: clamp(26px, 3.2vw, 34px); line-height: 1.2; margin: 0 0 10px; letter-spacing: -0.01em; }
.section-head p { margin: 0; color: var(--text-2); font-size: 17px; }
.alt { background: var(--surface-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px; display: flex; flex-direction: column; gap: 8px; }
.card h3 { margin: 0; font-size: 17px; display: flex; align-items: center; gap: 10px; }
.card p { margin: 0; color: var(--text-2); font-size: 15px; }
.card .soon-tag { margin-left: auto; color: var(--muted); }
.feat-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--text); margin-bottom: 6px; }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; list-style: none; margin: 0; padding: 0; }
.steps li { counter-increment: step; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
.steps li::before { content: counter(step); font-family: var(--mono); font-size: 13px; color: var(--muted); display: block; margin-bottom: 8px; }
.steps h3 { margin: 0 0 6px; font-size: 17px; }
.steps p { margin: 0; color: var(--text-2); font-size: 15px; }

.models { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); font-size: 14.5px; }
.chip.soon { color: var(--muted); }

.pricing { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
.price-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 26px; display: flex; flex-direction: column; gap: 10px; }
.price-card h3 { margin: 0; font-size: 18px; display: flex; align-items: center; gap: 10px; }
.price-card ul { margin: 4px 0 0; padding-left: 20px; color: var(--text-2); }
.price-card .soon-tag { color: var(--muted); }

.faq { display: flex; flex-direction: column; gap: 10px; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 0 18px; }
.faq summary { cursor: pointer; font-weight: 500; min-height: 52px; display: flex; align-items: center; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; margin-left: auto; color: var(--muted); font-size: 20px; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 16px; color: var(--text-2); }

.download { text-align: center; }
.download .section-head { margin: 0 auto 24px; }
.download .cta { justify-content: center; }
.note { font-size: 14px; color: var(--muted); }

/* Text pages (updates, legal, account) */
.page { padding: 56px 0 72px; }
.page h1 { font-size: clamp(30px, 4vw, 40px); margin: 0 0 12px; line-height: 1.15; }
.page h2 { font-size: 20px; margin: 32px 0 8px; }
.page p, .page li { color: var(--text-2); }
.update-list { display: flex; flex-direction: column; gap: 14px; margin-top: 24px; }
.update { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px 22px; }
.update-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.update-head .v { font-size: 13px; font-weight: 600; padding: 2px 8px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--border); font-family: var(--mono); }
.update-head .ttl { font-size: 17px; font-weight: 600; }
.update-head .date { margin-left: auto; font-size: 13px; color: var(--muted); }
.update h3 { margin: 12px 0 4px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.update ul { margin: 0; padding-left: 20px; }

.status-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 32px; display: flex; flex-direction: column; gap: 14px; }
.status-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); background: var(--surface-2); }
.status-icon.ok { background: var(--ok-bg); border-color: var(--ok-border); color: var(--ok-text); }
.status-icon.bad { background: var(--error-bg); border-color: var(--error-border); color: var(--error-text); }
.status-card h1 { margin: 0; font-size: 28px; }
.status-card p { margin: 0; }
.form { display: flex; flex-direction: column; gap: 8px; }
.form label { font-size: 14px; font-weight: 600; margin-top: 6px; }
.form input { height: 46px; border: 1px solid var(--border-strong); border-radius: 10px; padding: 0 12px; font: inherit; background: var(--surface); color: var(--text); }
.form input:focus { outline: none; border-color: var(--muted); }
.form .btn { margin-top: 10px; }
.msg-error { color: var(--error-text); background: var(--error-bg); border: 1px solid var(--error-border); border-radius: 10px; padding: 10px 12px; margin: 0; font-size: 15px; }
.msg-ok { color: var(--ok-text); background: var(--ok-bg); border: 1px solid var(--ok-border); border-radius: 10px; padding: 10px 12px; margin: 0; font-size: 15px; }
.placeholder { background: var(--error-bg); border: 1px dashed var(--error-border); color: var(--error-text); border-radius: 6px; padding: 0 6px; }
[hidden] { display: none !important; }

/* Footer */
.site-foot { border-top: 1px solid var(--border); padding: 28px 0 40px; font-size: 14px; color: var(--muted); }
.site-foot .wrap { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
.site-foot nav { display: flex; gap: 18px; margin-left: auto; flex-wrap: wrap; }
.site-foot a { text-decoration: none; }
.site-foot a:hover { color: var(--text); text-decoration: underline; }

:focus-visible { outline: 2px solid var(--google); outline-offset: 2px; }

@media (max-width: 900px) {
  .grid, .steps { grid-template-columns: 1fr 1fr; }
  .nav { display: none; }
  .theme-switch { margin-left: auto; }
}
@media (max-width: 620px) {
  .wrap { padding: 0 16px; }
  .hero { padding: 40px 0 32px; }
  .grid, .steps, .pricing { grid-template-columns: 1fr; }
  section { padding: 40px 0; }
  .status-card { padding: 22px; }
}

/* Hero: a small copy of the real app window (sidebar, chat, right column). Example content, no real data. */
.appwin {
  position: relative; margin: 0; width: 100%; height: 520px; display: flex; overflow: hidden; text-align: left;
  background: var(--bg); border: 1px solid var(--border-strong); border-radius: 16px; font-size: 14px;
}
.appwin-tag { position: absolute; top: 12px; right: 14px; z-index: 2; font-size: 11.5px; color: var(--muted); border: 1px solid var(--border); background: var(--surface); border-radius: 6px; padding: 1px 8px; }
.aw-side { width: 220px; flex-shrink: 0; background: var(--surface-2); border-right: 1px solid var(--border); padding: 14px 10px; display: flex; flex-direction: column; gap: 10px; }
.aw-brand { display: flex; align-items: center; gap: 8px; font-weight: 600; padding: 2px 6px; }
.aw-brand .logo { width: 20px; height: 20px; border-radius: 6px; }
.aw-new { height: 36px; display: flex; align-items: center; padding: 0 12px; border: 1px solid var(--border-strong); border-radius: 10px; background: var(--surface); font-weight: 500; }
.aw-nav, .aw-list { display: flex; flex-direction: column; gap: 2px; }
.aw-nav span, .aw-list span { height: 34px; display: flex; align-items: center; gap: 8px; padding: 0 10px; border-radius: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.aw-nav span.active, .aw-list span.active { background: var(--surface); box-shadow: inset 0 0 0 1px var(--border); font-weight: 500; }
.aw-nav span.muted { color: var(--muted); }
.aw-nav i { margin-left: auto; font-style: normal; font-size: 10.5px; border: 1px solid var(--border-strong); border-radius: 5px; padding: 0 6px; }
.aw-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--google); margin-left: auto; }
.aw-group { font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); padding: 4px 8px 0; }
.aw-list span { font-size: 13px; }
.aw-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.aw-top { height: 48px; display: flex; align-items: center; padding: 0 18px; border-bottom: 1px solid var(--border); background: var(--surface); font-weight: 600; }
.aw-chat { flex: 1; min-height: 0; overflow: hidden; padding: 22px 28px; display: flex; flex-direction: column; gap: 16px; }
.aw-composer { padding: 6px 28px 14px; display: flex; flex-direction: column; gap: 6px; }
.aw-input-row { display: flex; gap: 8px; align-items: center; }
.aw-input { flex: 1; border: 1px solid var(--border-strong); background: var(--surface); border-radius: 16px; padding: 12px 14px; color: var(--muted); }
.aw-send { width: 40px; height: 40px; border-radius: 12px; background: var(--primary-bg); color: var(--primary-text); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.aw-below { display: flex; align-items: center; justify-content: space-between; padding-right: 48px; }
.aw-mini-switch { width: 44px; height: 24px; border-radius: 12px; background: var(--track); border: 1px solid var(--border-strong); position: relative; }
.aw-mini-switch span { position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: var(--knob); box-shadow: 0 1px 2px rgba(0,0,0,.25); transition: transform .2s; }
:root[data-theme="dark"] .aw-mini-switch span { transform: translateX(20px); }
.aw-model { color: var(--text-2); font-size: 13px; }
.aw-right { width: 230px; flex-shrink: 0; border-left: 1px solid var(--border); background: var(--surface); padding: 56px 16px 16px; display: flex; flex-direction: column; gap: 8px; }
.aw-right p { margin: 0; font-size: 12.5px; color: var(--muted); line-height: 1.5; }
.aw-r-title { display: flex; align-items: center; justify-content: space-between; font-weight: 600; font-size: 13.5px; }
.aw-toggle { width: 38px; height: 22px; border-radius: 11px; background: var(--primary-bg); position: relative; }
.aw-toggle span { position: absolute; top: 3px; right: 3px; width: 16px; height: 16px; border-radius: 50%; background: var(--primary-text); }
.aw-link { font-size: 12.5px; color: var(--muted); text-decoration: underline; }
@media (max-width: 1000px) { .aw-right { display: none; } }
@media (max-width: 700px) { .aw-side { display: none; } .appwin { height: 460px; } .aw-chat, .aw-composer { padding-left: 16px; padding-right: 16px; } }
/* ===================== Motion & high-end polish ===================== */
.site-head { border-bottom-color: transparent; transition: border-color .3s, background .3s; }
.site-head.scrolled { border-bottom-color: var(--border); }

.kicker { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }

/* Hero background: two soft lights in the model colours + a faint grid */
.hero { position: relative; overflow: hidden; padding: 96px 0 40px; }
.hero > .wrap { position: relative; z-index: 1; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.glow { position: absolute; width: 620px; height: 620px; border-radius: 50%; filter: blur(110px); opacity: .22; }
.glow.g1 { background: var(--anthropic); top: -260px; left: 50%; margin-left: -560px; animation: drift1 18s ease-in-out infinite alternate; }
.glow.g2 { background: var(--google); top: -200px; left: 50%; margin-left: -40px; animation: drift2 22s ease-in-out infinite alternate; }
:root[data-theme="dark"] .glow { opacity: .28; }
@keyframes drift1 { to { transform: translate(120px, 80px) scale(1.15); } }
@keyframes drift2 { to { transform: translate(-140px, 60px) scale(.9); } }
.grid-lines {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 56px 56px; opacity: .55;
  -webkit-mask-image: radial-gradient(ellipse 60% 55% at 50% 30%, #000 0%, transparent 75%);
  mask-image: radial-gradient(ellipse 60% 55% at 50% 30%, #000 0%, transparent 75%);
}

.headline { font-size: clamp(42px, 7vw, 84px) !important; line-height: 1.02 !important; letter-spacing: -0.035em !important; margin: 22px 0 22px !important; }
.grad, .grad .w > span { background: linear-gradient(100deg, var(--anthropic) 0%, #9B5CC4 50%, var(--google) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; background-size: 200% 100%; animation: gradShift 8s ease-in-out infinite alternate; }
@keyframes gradShift { to { background-position: 100% 0; } }
.hero .lead { margin-left: auto; margin-right: auto; }

/* Word-by-word headline */
.js .headline .w { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: .08em; margin-bottom: -.08em; }
.js .headline .w > span { display: inline-block; transform: translateY(105%); opacity: 0; transition: transform .9s cubic-bezier(.2,.8,.2,1), opacity .9s; transition-delay: calc(var(--i) * 80ms + 80ms); }
.js .headline.in .w > span { transform: none; opacity: 1; }


/* Scroll reveal */
.js [data-reveal] { opacity: 0; transform: translate3d(0, 70px, 0); filter: blur(8px); transition: opacity 1s cubic-bezier(.16,1,.3,1), transform 1.1s cubic-bezier(.16,1,.3,1), filter 1s; transition-delay: var(--d, 0ms); }
.js [data-reveal="left"] { transform: translate3d(-120px, 0, 0) rotate(-2deg); }
.js [data-reveal="right"] { transform: translate3d(120px, 0, 0) rotate(2deg); }
.js [data-reveal="zoom"] { transform: scale(.85); }
.js [data-reveal="flip"] { transform: perspective(900px) rotateX(35deg) translate3d(0, 60px, 0); transform-origin: 50% 100%; }
.js [data-reveal].in { opacity: 1; transform: none; filter: none; }

/* Buttons */
.btn { transition: transform .2s ease, box-shadow .2s ease, background .2s; }
.btn:not([aria-disabled="true"]):hover { transform: translateY(-1px); }
.btn.primary:not([aria-disabled="true"]):hover { box-shadow: 0 8px 24px -10px color-mix(in srgb, var(--text) 60%, transparent); }
.shine { position: relative; overflow: hidden; }
.shine::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, color-mix(in srgb, var(--primary-text) 35%, transparent) 50%, transparent 70%); transform: translateX(-120%); animation: shine 4.5s ease-in-out 1.8s infinite; }
@keyframes shine { 0%, 70% { transform: translateX(-120%); } 100% { transform: translateX(120%); } }

/* App window: 3D tilt that straightens on scroll (--p from 0 to 1) */
.appwin-stage { --p: 1; width: 100%; perspective: 1600px; margin-top: 8px; }
.js .appwin-stage { --p: 0; }
.appwin-stage .appwin {
  transform-origin: 50% 0;
  transform: rotateX(calc((1 - var(--p)) * 22deg)) scale(calc(.9 + var(--p) * .1)) translateY(calc((1 - var(--p)) * 30px));
  box-shadow: 0 40px 80px -40px rgba(0,0,0,.35), 0 0 0 1px var(--border);
  will-change: transform;
}
:root[data-theme="dark"] .appwin-stage .appwin { box-shadow: 0 40px 100px -30px rgba(0,0,0,.8), 0 0 0 1px var(--border); }
.appwin-stage::before { content: ""; position: absolute; left: 15%; right: 15%; height: 120px; margin-top: 380px; background: linear-gradient(90deg, var(--anthropic), var(--google)); filter: blur(90px); opacity: .18; z-index: -1; }
.appwin-stage { position: relative; }

/* Live chat demo */
.aw-chat.demo [data-step] { opacity: 0; transform: translateY(10px) scale(.98); transition: opacity .5s ease, transform .5s cubic-bezier(.2,.8,.2,1); }
.aw-chat.demo [data-step].shown { opacity: 1; transform: none; }
.p-body.thinking::before { content: ""; display: inline-block; width: 30px; height: 10px; background:
  radial-gradient(circle, var(--muted) 2.5px, transparent 3px) 0 50% / 10px 10px repeat-x; animation: dots 1s steps(3) infinite; }
@keyframes dots { from { width: 10px; } to { width: 40px; } }
.p-body.typing::after { content: ""; display: inline-block; width: 2px; height: 1em; margin-left: 2px; vertical-align: -2px; background: var(--text); animation: caret .8s steps(2) infinite; }
@keyframes caret { 50% { opacity: 0; } }
.aw-model.flash { animation: flash 1.2s ease; border-radius: 6px; }
@keyframes flash { 0% { background: color-mix(in srgb, var(--google) 30%, transparent); } 100% { background: transparent; } }
.p-switch { color: var(--muted); }

/* Model marquee */
.marquee { padding: 28px 0 8px; overflow: hidden; -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: flex; gap: 12px; width: max-content; margin: 0 auto; }
.marquee-track.run { animation: marquee 60s linear infinite; margin: 0; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(calc(-50% - 6px)); } }

/* Spotlight cards */
.spot { position: relative; overflow: hidden; transition: transform .3s cubic-bezier(.2,.8,.2,1), border-color .3s, box-shadow .3s; }
.spot::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--google) 12%, transparent), transparent 60%); }
.spot:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: 0 18px 40px -24px rgba(0,0,0,.35); }
.spot:hover::before { opacity: 1; }
.spot > * { position: relative; }
.feat-icon { transition: transform .3s cubic-bezier(.2,.8,.2,1); }
.spot:hover .feat-icon { transform: scale(1.08) rotate(-4deg); }

/* Showcase: model-switch chain */
.showcase-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.showcase h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.15; margin: 0 0 14px; letter-spacing: -0.02em; }
.showcase p { color: var(--text-2); font-size: 17px; margin: 0 0 18px; }
.ticks { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.ticks li { display: flex; gap: 10px; align-items: center; color: var(--text-2); }
.ticks li::before { content: ""; width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0; background: var(--ok-bg); border: 1px solid var(--ok-border);
  -webkit-mask: none; box-shadow: inset 0 0 0 4px var(--ok-bg); background-image: radial-gradient(circle, var(--ok-text) 3px, transparent 3.5px); }
.chain { position: relative; display: flex; flex-direction: column; gap: 14px; padding-left: 28px; }
.chain-line { position: absolute; left: 9px; top: 26px; bottom: 26px; width: 2px; background: var(--border); border-radius: 2px; overflow: hidden; }
.chain-line span { position: absolute; left: 0; top: 0; width: 100%; height: 0; background: linear-gradient(var(--anthropic), var(--google)); transition: height .9s cubic-bezier(.6,0,.2,1); }
.chain.run .chain-line span, .chain.done .chain-line span { height: 33%; }
.chain-item { display: flex; align-items: center; gap: 12px; min-height: 60px; padding: 0 18px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; position: relative; font-weight: 500; }
.chain-item::before { content: ""; position: absolute; left: -24px; width: 12px; height: 12px; border-radius: 50%; background: var(--surface); border: 2px solid var(--border-strong); }
.chain-item .pos { font-family: var(--mono); font-size: 13px; color: var(--muted); width: 14px; }
.chain-item .state { margin-left: auto; font-size: 12.5px; padding: 3px 10px; border-radius: 999px; opacity: 0; transform: scale(.8); transition: opacity .4s, transform .4s cubic-bezier(.2,1.4,.4,1); }
.chain-item .state.bad { color: var(--error-text); background: var(--error-bg); border: 1px solid var(--error-border); }
.chain-item .state.ok { color: var(--ok-text); background: var(--ok-bg); border: 1px solid var(--ok-border); }
.chain-item.active .state { opacity: 1; transform: none; }
.chain-item[data-chain="fail"].active { border-color: var(--error-border); }
.chain-item[data-chain="fail"].active .name { text-decoration: line-through; color: var(--muted); }
.chain-item[data-chain="fail"].active::before { border-color: var(--error-text); background: var(--error-bg); }
.chain-item[data-chain="ok"].active { border-color: var(--ok-border); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok-border) 25%, transparent); }
.chain-item[data-chain="ok"].active::before { border-color: var(--ok-text); background: var(--ok-text); }
.chain-item.dim { color: var(--muted); }
.js .chain-item { opacity: 0; transform: translateX(24px); transition: opacity .6s, transform .6s cubic-bezier(.2,.8,.2,1), border-color .4s, box-shadow .4s; transition-delay: var(--d, 0ms); }
.js .chain-item.in { opacity: 1; transform: none; }
.js .chain-item.dim.in { opacity: .6; }

/* Steps with a connecting line */
.steps { position: relative; }
.steps li { transition: transform .3s; }
.steps li::before { width: 32px; height: 32px; border-radius: 10px; display: flex !important; align-items: center; justify-content: center; background: var(--primary-bg); color: var(--primary-text) !important; font-weight: 600; margin-bottom: 14px !important; }

/* FAQ: smooth open */
.faq details { transition: border-color .2s, background .2s; }
.faq details:hover { border-color: var(--border-strong); }
.faq details[open] p { animation: faqIn .35s ease; }
@keyframes faqIn { from { opacity: 0; transform: translateY(-4px); } }

/* Final call to action */
.final { position: relative; overflow: hidden; text-align: center; padding: 110px 0; border-top: 1px solid var(--border); }
.final-glow { position: absolute; left: 50%; top: 50%; width: 900px; height: 360px; margin: -180px 0 0 -450px; border-radius: 50%; background: linear-gradient(90deg, var(--anthropic), var(--google)); filter: blur(120px); opacity: .16; }
.final .wrap { position: relative; }
.final h2 { font-size: clamp(30px, 4.6vw, 52px); letter-spacing: -0.03em; line-height: 1.08; margin: 0 0 14px; }
.final p { color: var(--text-2); font-size: 17px; margin: 0 auto 28px; max-width: 34em; }
.final .cta { justify-content: center; }

@media (max-width: 900px) {
  .showcase-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero { padding-top: 64px; }
}

/* Visitors who asked for less motion: the slides stay (Nick's choice), but the endless background
   effects and the 3D tilt are switched off. */
@media (prefers-reduced-motion: reduce) {
  .glow, .grad, .grad .w > span, .shine::after { animation: none !important; }
  .appwin-stage { --p: 1 !important; }
}
/* ===================== Round 2: darker, more movement ===================== */
:root[data-theme="dark"] .alt { background: #050506; }
:root[data-theme="dark"] .site-head { background: color-mix(in srgb, #000 80%, transparent); }
:root[data-theme="dark"] .glow { opacity: .32; }
:root[data-theme="dark"] .grid-lines { opacity: .7; }

/* Scroll progress bar in the model colours */
.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 50; transform-origin: 0 50%; transform: scaleX(var(--sp, 0));
  background: linear-gradient(90deg, var(--anthropic), #9B5CC4, var(--google)); }

/* Hero lights follow the mouse a little */
.hero-bg { transform: translate3d(var(--hx, 0px), var(--hy, 0px), 0); transition: transform .6s cubic-bezier(.16,1,.3,1); }

/* Kicker gets a growing line */
.kicker { display: inline-flex; align-items: center; gap: 10px; }
.kicker::before { content: ""; width: 0; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--anthropic), var(--google)); transition: width .9s cubic-bezier(.16,1,.3,1) .35s; }
.in .kicker::before, .kicker.in::before { width: 28px; }

/* Steps: a line draws across behind the numbers */
.steps::after { content: ""; position: absolute; left: 22px; right: 22px; top: 37px; height: 2px; z-index: -1;
  background: linear-gradient(90deg, var(--anthropic), var(--google)); transform: scaleX(0); transform-origin: 0 50%; transition: transform 1.6s cubic-bezier(.16,1,.3,1) .4s; }
.steps.in::after { transform: scaleX(1); }
.steps { isolation: isolate; }

/* Magnetic buttons (moved by motion.js) */
.btn.magnet, .btn.magnet:not([aria-disabled="true"]):hover { transform: translate3d(var(--bx, 0px), var(--by, 0px), 0); transition: transform .35s cubic-bezier(.16,1,.3,1), box-shadow .2s, background .2s; }

/* Headline: every word also un-blurs */
.js .headline .w > span { filter: blur(10px); transition: transform 1.1s cubic-bezier(.16,1,.3,1), opacity 1s, filter 1s; transition-delay: calc(var(--i) * 90ms + 100ms); }
.js .headline.in .w > span { filter: none; }

/* Marquee chips light up under the mouse */
.marquee .chip { transition: border-color .2s, transform .2s; }
.marquee .chip:hover { border-color: var(--border-strong); transform: translateY(-2px); }

@media (max-width: 700px) {
  .js [data-reveal="left"], .js [data-reveal="right"] { transform: translate3d(0, 60px, 0); }
  .steps::after { display: none; }
}