/* ================= RE:NOVA 2.0 — BEST edition ================= */
:root {
  --ink: #070817;
  --ink-soft: #10112a;
  --ink-card: #1c1b3f;
  --paper: #f4f1eb;
  --violet: #9784ff;
  --lilac: #c8bdff;
  --orange: #fe9b62;
  --orange-2: #ffab7d;
  --sky: #9cd8e4;
  --green: #8edda2;
  --line: rgba(244, 241, 235, 0.16);
  --muted: rgba(244, 241, 235, 0.68);
  --bg: var(--ink);
  --bg-soft: var(--ink-soft);
  --fg: var(--paper);
  --card: rgba(16, 17, 42, 0.66);
  --radius: 14px;
  --sans: "Manrope", system-ui, sans-serif;
  --serif: "Playfair Display", Georgia, serif;
  --mono: "DM Mono", ui-monospace, monospace;
  --code-font: "JetBrains Mono", ui-monospace, monospace;
  --header-h: 68px;
  --shadow-glow: 0 0 40px rgba(151, 132, 255, 0.25);
}
[data-theme="light"] {
  --bg: var(--paper);
  --bg-soft: #ebe6dd;
  --fg: #14142b;
  --muted: rgba(20, 20, 43, 0.66);
  --line: rgba(20, 20, 43, 0.16);
  --card: rgba(255, 255, 255, 0.75);
  --ink-card: #ece7ff;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  background: var(--bg); color: var(--fg);
  font-family: var(--sans); line-height: 1.5;
  overflow-x: hidden; -webkit-font-smoothing: antialiased;
  transition: background .35s ease, color .35s ease;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; border-radius: 6px; }
code { font-family: var(--mono); font-size: .86em; background: rgba(151,132,255,.16); padding: 1px 6px; border-radius: 6px; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.skip-link { position: fixed; top: -60px; left: 16px; z-index: 100; background: var(--orange); color: #111; padding: 10px 16px; border-radius: 8px; font-weight: 800; transition: top .2s; }
.skip-link:focus { top: 12px; }

#stars { position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: .9; }
[data-theme="light"] #stars { opacity: .25; }
.cursor-glow {
  position: fixed; z-index: 1; width: 520px; height: 520px; border-radius: 50%;
  pointer-events: none; transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(151,132,255,.14), transparent 65%);
  transition: opacity .3s;
}
.grain { position: fixed; z-index: 60; inset: 0; pointer-events: none; opacity: .1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}
main, header.site-header, footer { position: relative; z-index: 2; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 0 clamp(18px, 4vw, 56px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(16px); border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .15em; }
.brand-mark { display: inline-flex; width: 20px; height: 20px; align-items: flex-end; gap: 2px; }
.brand-mark i { display: block; width: 5px; border-radius: 9px; background: var(--violet); }
.brand-mark i:nth-child(1) { height: 8px; }
.brand-mark i:nth-child(2) { height: 17px; background: var(--fg); }
.brand-mark i:nth-child(3) { height: 12px; background: var(--orange); }
.brand-badge { font-family: var(--mono); font-size: 10px; letter-spacing: .05em; background: linear-gradient(135deg, var(--violet), var(--orange)); color: #0b0b1e; padding: 2px 8px; border-radius: 999px; }
.site-header nav { display: flex; gap: clamp(18px, 3vw, 42px); }
.site-header nav a { color: var(--muted); font-size: 12px; font-weight: 700; transition: color .2s; }
.site-header nav a:hover { color: var(--fg); }
.header-actions { display: flex; align-items: center; gap: 14px; }
.icon-btn { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); background: transparent; color: var(--fg); font-size: 16px; transition: transform .2s, border-color .2s; }
.icon-btn:hover { transform: rotate(20deg); border-color: var(--violet); }
.header-cta { border-bottom: 1px solid var(--fg); padding-bottom: 3px; font-size: 12px; font-weight: 800; white-space: nowrap; }
.header-cta span { color: var(--orange); margin-left: 6px; }

/* ---------- Hero ---------- */
.hero {
  display: grid; grid-template-columns: 1.05fr .95fr;
  min-height: calc(100vh - var(--header-h));
  align-items: center; overflow: hidden; position: relative;
  background:
    radial-gradient(ellipse 60% 80% at 76% 52%, rgba(80, 70, 180, .55), transparent 70%),
    radial-gradient(ellipse 40% 50% at 18% 12%, rgba(254, 155, 98, .14), transparent 60%);
}
.hero-copy { padding: 48px 0 48px clamp(20px, 6vw, 100px); max-width: 640px; }
.eyebrow, .section-index { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--lilac); }
[data-theme="light"] .eyebrow { color: #5142ad; }
.eyebrow span { width: 22px; height: 2px; background: linear-gradient(90deg, var(--orange), var(--violet)); border-radius: 2px; }
h1 { margin: 22px 0 18px; font-size: clamp(3rem, 6.4vw, 6rem); line-height: .95; letter-spacing: -.04em; text-wrap: balance; }
h1 em, h2 em { font-family: var(--serif); color: var(--lilac); }
[data-theme="light"] h1 em, [data-theme="light"] h2 em { color: #5142ad; }
h2 em { color: var(--orange); }
.hero-lede { max-width: 46ch; color: var(--muted); line-height: 1.7; }
.hero-actions { display: flex; gap: 14px 22px; flex-wrap: wrap; margin-top: 30px; }
.button { display: inline-flex; align-items: center; gap: 12px; padding: 15px 22px; border-radius: 999px; font-size: 13px; font-weight: 800; border: 1px solid transparent; transition: transform .2s, box-shadow .2s, background .2s; }
.button-primary { color: #14142b; background: linear-gradient(135deg, var(--orange), #ff7ab8); box-shadow: 0 8px 30px rgba(254,155,98,.35); }
.button-primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 14px 40px rgba(254,155,98,.45); }
.button-quiet { color: var(--fg); border-color: var(--line); border-radius: 999px; }
.button-quiet:hover { border-color: var(--violet); transform: translateY(-2px); }
.hero-modes { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 34px; }
.hero-modes span { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; border: 1px solid var(--line); background: var(--card); backdrop-filter: blur(8px); padding: 8px 14px; border-radius: 999px; }

/* orbit visual */
.nova-stage { position: relative; min-height: 560px; }
.orbit { position: absolute; left: 50%; top: 50%; border: 1px solid rgba(190,181,255,.3); border-radius: 50%; }
.orbit-one { width: min(48vw, 620px); height: min(20vw, 270px); transform: translate(-50%,-50%) rotate(-24deg); animation: spin 40s linear infinite; }
.orbit-two { width: min(40vw, 520px); height: min(34vw, 460px); transform: translate(-50%,-50%) rotate(55deg); border-color: rgba(255,166,113,.3); animation: spin 55s linear infinite reverse; }
.orbit-three { width: min(32vw, 430px); height: min(34vw, 470px); transform: translate(-50%,-50%) rotate(110deg); border-color: rgba(156,216,228,.25); }
@keyframes spin { to { rotate: 360deg; } }
.nova-core {
  position: absolute; left: 50%; top: 50%; display: grid; place-items: center;
  width: clamp(150px, 17vw, 240px); aspect-ratio: 1; border-radius: 50%;
  transform: translate(-50%,-50%);
  background: radial-gradient(circle at 36% 30%, #fff, #a591ff 26%, #6f5bce 57%, #292657 85%);
  box-shadow: 0 0 30px rgba(210,195,255,.6), 0 0 110px 20px rgba(121,102,244,.4), inset -19px -24px 34px rgba(15,15,64,.4);
  animation: breathe 5s ease-in-out infinite;
}
.nova-core p { font-family: var(--serif); font-style: italic; font-size: clamp(4.5rem, 8vw, 8rem); color: #fff; text-shadow: 2px 3px 12px rgba(41,38,87,.5); }
.core-ring { position: absolute; inset: 11%; border: 1px solid rgba(255,255,255,.35); border-radius: inherit; }
.core-glow { position: absolute; left: 18%; top: 14%; width: 24%; aspect-ratio: 1; border-radius: 50%; background: rgba(255,255,255,.8); filter: blur(7px); }
@keyframes breathe { 50% { transform: translate(-50%,-50%) scale(1.05); } }
.hero-card {
  position: absolute; display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 16px; border-radius: 12px; font-family: var(--mono); font-size: 10px; line-height: 1.6;
  color: var(--muted); background: var(--card); border: 1px solid var(--line);
  backdrop-filter: blur(12px); box-shadow: var(--shadow-glow); max-width: 220px;
}
.hero-card b { color: var(--fg); font-weight: 500; }
.hero-card .dot { width: 8px; height: 8px; margin-top: 4px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); flex: none; }
.hero-card .dot.violet { background: var(--violet); box-shadow: 0 0 10px var(--violet); }
.card-a { left: 6%; bottom: 22%; }
.card-b { right: 6%; top: 20%; }
.float { animation: float 6s ease-in-out infinite; }
.float.delay { animation-delay: -3s; }
@keyframes float { 50% { transform: translateY(-12px); } }
.stage-label { position: absolute; left: 8%; bottom: 8%; font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.stage-label span { color: var(--orange); }

/* marquee */
.marquee { overflow: hidden; border-block: 1px solid var(--line); background: var(--bg-soft); padding: 12px 0; }
.marquee-track { display: flex; width: max-content; animation: marquee 22s linear infinite; font-family: var(--mono); font-size: 11px; letter-spacing: .2em; color: var(--muted); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* reveal */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Manifesto / capabilities ---------- */
.manifesto { display: grid; grid-template-columns: 200px 1fr 280px; gap: 36px; align-items: center; padding: 100px clamp(20px, 6vw, 100px); background: var(--paper); color: #14142b; }
.section-index { color: #6b6880; font-size: 11px; }
.manifesto-copy { font-size: clamp(2.6rem, 5.2vw, 5rem); line-height: 1; letter-spacing: -.03em; font-weight: 600; text-wrap: balance; }
.manifesto-copy em { font-family: var(--serif); color: #5142ad; }
.manifesto-note { color: rgba(20,20,43,.72); font-size: .92rem; line-height: 1.75; align-self: end; }

.capabilities { padding: 90px clamp(20px, 6vw, 100px) 110px; }
.capability-intro { display: grid; grid-template-columns: 200px 1fr; gap: 20px; margin-bottom: 40px; }
.capability-intro h2 { font-size: clamp(2.2rem, 4.4vw, 4.2rem); letter-spacing: -.03em; line-height: 1.02; max-width: 18ch; text-wrap: balance; }
.capability-intro h2 em { color: #b7a8ff; }
[data-theme="light"] .capability-intro h2 em { color: #5142ad; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.capability-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); backdrop-filter: blur(10px); padding: 26px 24px; min-height: 260px; display: flex; flex-direction: column; transition: transform .25s, border-color .25s, box-shadow .25s; }
.capability-card:hover { transform: translateY(-5px); border-color: var(--violet); box-shadow: var(--shadow-glow); }
.capability-card.featured { background: linear-gradient(160deg, #1b1a44, #0d0d26); color: var(--paper); border-color: rgba(151,132,255,.4); }
.capability-card.vivid { background: linear-gradient(160deg, #2b1a4d, #4d1540); color: #fff; border-color: rgba(255,122,184,.4); }
.capability-card.dark { background: #0c0c22; color: var(--paper); }
.card-number { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; color: var(--orange); margin-bottom: 14px; }
.capability-card h3 { font-size: 1.25rem; margin-bottom: 10px; letter-spacing: -.02em; }
.capability-card p { color: var(--muted); font-size: .9rem; line-height: 1.7; margin-bottom: 20px; }
.capability-card.featured p, .capability-card.vivid p, .capability-card.dark p { color: rgba(244,241,235,.72); }
.capability-card a { margin-top: auto; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.capability-card a span { color: var(--orange); margin-left: 6px; }

/* ---------- Playground ---------- */
.conversation { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(32px, 5vw, 90px); padding: 100px clamp(20px, 6vw, 100px); background: linear-gradient(180deg, transparent, rgba(151,132,255,.08)); }
.conversation-copy h2 { font-size: clamp(2.4rem, 4vw, 3.9rem); line-height: 1; letter-spacing: -.03em; margin: 24px 0 14px; text-wrap: balance; }
.conversation-copy > p { color: var(--muted); max-width: 44ch; line-height: 1.75; font-size: .94rem; }
.mode-tabs { display: flex; gap: 8px; margin-top: 26px; background: var(--card); border: 1px solid var(--line); padding: 6px; border-radius: 999px; width: fit-content; }
.mode-tabs button { border: 0; background: transparent; color: var(--muted); font-weight: 700; font-size: 12px; padding: 9px 18px; border-radius: 999px; transition: all .2s; }
.mode-tabs button.active { background: linear-gradient(135deg, var(--violet), var(--orange)); color: #10112a; box-shadow: 0 4px 18px rgba(151,132,255,.4); }
.prompt-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.prompt-chips button { border: 1px solid var(--line); background: transparent; color: var(--muted); font-size: 12px; padding: 8px 13px; border-radius: 999px; transition: all .2s; }
.prompt-chips button:hover { color: var(--fg); border-color: var(--violet); transform: translateY(-1px); }
.status-line { margin-top: 16px; min-height: 1.4em; font-family: var(--mono); font-size: 11px; color: var(--sky); }

.chat-shell { border: 1px solid var(--line); border-radius: 20px; background: var(--card); backdrop-filter: blur(18px); box-shadow: 0 20px 60px rgba(0,0,0,.35), var(--shadow-glow); display: flex; flex-direction: column; min-height: 540px; overflow: hidden; }
.chat-topbar { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.online-indicator { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .5; } }
.topbar-actions { display: flex; gap: 6px; }
.mini-btn, .reset-button { border: 1px solid transparent; background: transparent; color: var(--muted); border-radius: 8px; padding: 4px 10px; font-size: 15px; transition: all .2s; }
.mini-btn:hover, .reset-button:hover { border-color: var(--line); color: var(--fg); }
.messages { flex: 1; height: 380px; min-height: 300px; max-height: 480px; overflow-y: auto; padding: 22px 18px; display: flex; flex-direction: column; gap: 16px; scrollbar-width: thin; }
.message { display: flex; gap: 10px; max-width: 92%; animation: msg-in .3s ease; }
@keyframes msg-in { from { opacity: 0; transform: translateY(8px); } }
.message-avatar { flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg, var(--lilac), var(--violet)); color: #14142b; font-family: var(--serif); font-style: italic; font-weight: 700; font-size: 19px; }
.msg-body { min-width: 0; flex: 1; }
.msg-bubble { padding: 12px 14px; font-size: .88rem; line-height: 1.65; overflow-wrap: anywhere; }
.nova-message .msg-bubble { background: rgba(151,132,255,.14); border: 1px solid rgba(151,132,255,.25); border-radius: 0 14px 14px 14px; }
.user-message { align-self: flex-end; flex-direction: row-reverse; }
.user-message .msg-bubble { background: linear-gradient(135deg, var(--orange), #ff7ab8); color: #1a1030; border-radius: 14px 0 14px 14px; font-weight: 500; }
.message.typing .msg-bubble { font-family: var(--mono); font-size: 12px; color: var(--lilac); }
.msg-actions { display: flex; gap: 6px; margin-top: 6px; }
.msg-actions button { font-family: var(--mono); font-size: 10px; border: 1px solid var(--line); background: transparent; color: var(--muted); border-radius: 6px; padding: 3px 9px; }
.msg-actions button:hover { color: var(--fg); border-color: var(--violet); }

/* code blocks */
.codeblock { margin: 10px 0 4px; border: 1px solid rgba(151,132,255,.3); border-radius: 12px; overflow: hidden; background: #0d0d26; }
.codeblock-header { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; background: rgba(151,132,255,.12); font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--lilac); }
.codeblock-header button { font-family: var(--mono); font-size: 10px; background: var(--orange); color: #14142b; border: 0; border-radius: 6px; padding: 4px 10px; font-weight: 700; }
.codeblock pre { margin: 0; padding: 14px; overflow-x: auto; }
.codeblock code { font-family: var(--code-font); font-size: 12.5px; line-height: 1.6; background: transparent; padding: 0; color: #e8e4ff; white-space: pre; }
/* tiny syntax tint */
.tok-k { color: #c8bdff; } .tok-s { color: #9ce8b5; } .tok-c { color: #7a7895; font-style: italic; } .tok-f { color: #fe9b62; } .tok-n { color: #9cd8e4; }

/* generated images */
.gen-image-wrap { margin-top: 10px; border-radius: 12px; overflow: hidden; border: 1px solid rgba(151,132,255,.3); background: #0d0d26; }
.gen-image-wrap img { width: 100%; display: block; min-height: 200px; background: linear-gradient(110deg, #1c1b3f 30%, #2a2970 50%, #1c1b3f 70%); background-size: 200% 100%; }
.gen-image-wrap img.loading { animation: shimmer 1.4s infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }
.gen-image-bar { display: flex; justify-content: space-between; align-items: center; padding: 9px 12px; font-family: var(--mono); font-size: 10px; color: var(--muted); }
.gen-image-bar a { color: var(--orange); font-weight: 700; }

.chat-form { display: flex; gap: 10px; align-items: center; padding: 12px 14px; border-top: 1px solid var(--line); }
.chat-form input { flex: 1; min-width: 0; background: rgba(255,255,255,.04); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; color: var(--fg); font-size: .9rem; outline: none; transition: border-color .2s; }
.chat-form input:focus { border-color: var(--violet); }
.chat-form input::placeholder { color: var(--muted); }
.char-count { font-family: var(--mono); font-size: 10px; color: var(--muted); white-space: nowrap; }
.chat-form button[type="submit"] { flex: none; width: 42px; height: 42px; border-radius: 50%; border: 0; background: linear-gradient(135deg, var(--orange), #ff7ab8); color: #1a1030; font-size: 19px; display: grid; place-items: center; transition: transform .15s; }
.chat-form button[type="submit"]:hover:not(:disabled) { transform: translateY(-2px) scale(1.05); }
.chat-form button[type="submit"]:disabled { opacity: .5; cursor: wait; }
.chat-note { padding: 0 16px 13px; color: var(--muted); font-size: 11px; }

/* ---------- Deploy / closing / footer ---------- */
.deploy { padding: 40px clamp(20px, 6vw, 100px) 90px; }
.deploy-inner { border: 1px solid var(--line); border-radius: 24px; padding: clamp(28px, 5vw, 64px); background: linear-gradient(160deg, rgba(151,132,255,.12), transparent), var(--card); }
.deploy-inner h2 { font-size: clamp(2rem, 4.4vw, 3.6rem); letter-spacing: -.03em; line-height: 1.05; margin: 18px 0 22px; text-wrap: balance; }
.deploy-inner h2 em { font-family: var(--serif); color: var(--orange); }
.deploy-inner ol { margin: 0 0 20px 20px; color: var(--muted); line-height: 2; font-size: .95rem; }
.deploy-inner ol b { color: var(--fg); }
.deploy-files { display: flex; gap: 10px; flex-wrap: wrap; }
.deploy-files span { font-family: var(--mono); font-size: 11px; border: 1px solid var(--line); padding: 8px 14px; border-radius: 999px; color: var(--muted); }
.closing { min-height: 420px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 80px 22px; background: radial-gradient(circle at 50% 28%, rgba(90, 80, 200, .6), transparent 62%); }
.closing h2 { font-size: clamp(2.6rem, 5.4vw, 4.8rem); letter-spacing: -.03em; margin: 20px 0 30px; text-wrap: balance; }
.closing h2 em { font-family: var(--serif); color: var(--lilac); }
footer { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; padding: 22px clamp(20px, 4vw, 56px); border-top: 1px solid var(--line); }
footer p { color: var(--muted); font-size: 12px; }
footer > a { color: var(--orange); font-size: 12px; font-weight: 700; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { padding: 56px 22px 8px; }
  .nova-stage { min-height: 440px; }
  .manifesto { grid-template-columns: 1fr; gap: 18px; padding: 64px 22px; }
  .capability-intro { grid-template-columns: 1fr; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .conversation { grid-template-columns: 1fr; padding: 64px 22px; }
  .capabilities, .deploy { padding-inline: 22px; }
}
@media (max-width: 640px) {
  .capability-grid { grid-template-columns: 1fr; }
  .hero-card { display: none; }
  .cursor-glow { display: none; }
  .messages { height: 340px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}