:root {
  --bg: #060606; --bg-soft: #0f1215; --bg-raised: #1a1a1a; --bg-card: #141414;
  --ink: #e8e6e0; --ink-dim: rgba(232,230,224,0.5); --ink-faint: rgba(232,230,224,0.15);
  --perf-accent: #c8ff5a; --perf-accent-bg: rgba(200,255,90,0.08); --perf-accent-bd: rgba(200,255,90,0.5);
  --eco-accent: #5b9fe0; --eco-accent-bg: rgba(91,159,224,0.10); --eco-accent-bd: rgba(91,159,224,0.55);
  --accent: var(--perf-accent); --accent-bg: var(--perf-accent-bg); --accent-bd: var(--perf-accent-bd);
  --font-sans: -apple-system, system-ui, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --radius: 6px; --radius-lg: 10px;
}
body.perf { --accent: var(--perf-accent); --accent-bg: var(--perf-accent-bg); --accent-bd: var(--perf-accent-bd); }
body.eco  { --accent: var(--eco-accent);  --accent-bg: var(--eco-accent-bg);  --accent-bd: var(--eco-accent-bd); }
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body { font-family: var(--font-sans); color: var(--ink); background: linear-gradient(135deg, var(--bg-raised) 0%, var(--bg) 100%) 0 0/8px 8px, linear-gradient(45deg, var(--bg-raised) 0%, var(--bg) 100%) 4px 4px/8px 8px, var(--bg); background-size: 16px 16px; overflow-x: hidden; min-height: 100vh; }

.topbar { position: sticky; top: 0; z-index: 10; height: 52px; padding: 10px 18px; border-bottom: 0.5px solid var(--ink-faint); background: rgba(0,0,0,0.72); backdrop-filter: blur(10px); display: flex; align-items: center; justify-content: space-between; }
.brand { font-family: var(--font-mono); font-size: 11px; letter-spacing: 2.5px; color: var(--ink-dim); text-transform: uppercase; }
.brand b { color: var(--ink); font-weight: 500; }
.skip-link { background: transparent; border: 0.5px solid var(--ink-faint); color: var(--ink-dim); padding: 6px 12px; border-radius: var(--radius); font-family: var(--font-mono); font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; cursor: pointer; transition: all 0.15s; text-decoration: none; display: inline-block; }
.skip-link:hover { color: var(--ink); border-color: var(--ink); }

.intent-stage { max-width: 1080px; margin: 0 auto; padding: 36px 24px; min-height: calc(100vh - 52px); display: flex; flex-direction: column; position: relative; z-index: 2; }
.intent-h1 { font-size: clamp(26px, 4vw, 34px); font-weight: 500; letter-spacing: -0.5px; margin-bottom: 6px; text-shadow: 0 2px 24px rgba(0,0,0,0.85); }
.intent-sub { color: var(--ink-dim); font-size: 14px; text-shadow: 0 2px 18px rgba(0,0,0,0.85); }

.intent-grid { margin-top: auto; display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: center; }
@media (max-width: 680px) { .intent-grid { grid-template-columns: 1fr; } .intent-talk-spawn { order: 3; } }

.intent-talk-spawn { display: flex; flex-direction: column; align-items: center; gap: 14px; min-width: 180px; position: relative; user-select: none; }
.talk-orb { width: 68px; height: 68px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, rgba(255,255,255,0.12) 0%, transparent 40%), radial-gradient(circle at center, rgba(232,230,224,0.18) 0%, rgba(232,230,224,0.04) 60%, transparent 100%); border: 1.5px solid rgba(232,230,224,0.55); cursor: pointer; display: flex; align-items: center; justify-content: center; animation: orbPulse 2.4s ease-in-out infinite; transition: all 0.2s; }
.talk-orb:hover { transform: scale(1.08); border-color: rgba(232,230,224,0.95); }
.talk-orb-label { font-family: var(--font-mono); font-size: 9px; letter-spacing: 1.5px; font-weight: 700; color: rgba(255,255,255,0.85); text-transform: uppercase; }
@keyframes orbPulse { 0%,100% { box-shadow: 0 0 22px rgba(232,230,224,0.20), 0 0 44px rgba(232,230,224,0.08); } 50% { box-shadow: 0 0 34px rgba(232,230,224,0.40), 0 0 70px rgba(232,230,224,0.16); } }

.talk-cta { opacity: 0; pointer-events: none; transform: translateY(8px) scale(0.94); transition: all 0.25s cubic-bezier(.2,.6,.3,1); background: rgba(10,10,10,0.72); backdrop-filter: blur(10px); border: 1px solid rgba(232,230,224,0.7); color: rgba(232,230,224,0.95); font-family: var(--font-mono); font-size: 10px; letter-spacing: 1.6px; font-weight: 700; padding: 10px 16px; border-radius: 18px; cursor: pointer; white-space: nowrap; text-transform: uppercase; }
.intent-talk-spawn:hover .talk-cta, .intent-talk-spawn:focus-within .talk-cta { opacity: 1; pointer-events: auto; transform: translateY(0) scale(1); }
.talk-cta:hover { background: rgba(232,230,224,0.92); color: #060606; border-color: #fff; }

.intent-card { position: relative; background: rgba(10,10,10,0.45); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.18); border-radius: var(--radius-lg); padding: 22px 28px; cursor: pointer; transition: all 0.2s; min-height: 92px; display: flex; align-items: center; justify-content: center; user-select: none; overflow: hidden; }
.intent-card.perf { --card-color: var(--perf-accent); }
.intent-card.eco  { --card-color: var(--eco-accent); }
.intent-card:hover { border-color: var(--card-color); background: rgba(10,10,10,0.55); transform: translateY(-2px); }
.intent-card.active { border-color: var(--card-color); background: rgba(10,10,10,0.6); box-shadow: 0 0 0 1px var(--card-color), 0 8px 30px rgba(0,0,0,0.5); }
.intent-card h2 { font-family: var(--font-mono); font-size: clamp(28px, 4.5vw, 44px); font-weight: 600; letter-spacing: 6px; color: var(--ink); text-transform: uppercase; text-shadow: 0 2px 18px rgba(0,0,0,0.9); margin: 0; }
.intent-card.active h2 { color: var(--card-color); }

.intent-goal { margin-top: 44px; animation: intent-fade 0.4s ease-out; }
@keyframes intent-fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.intent-goal-head h3 { font-size: 18px; font-weight: 500; margin-bottom: 4px; }
.intent-goal-head p { color: var(--ink-dim); font-size: 13px; }
.intent-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.intent-chip { padding: 10px 16px; background: var(--bg-card); border: 1px solid var(--ink-faint); border-radius: 20px; color: var(--ink); font-size: 13px; cursor: pointer; transition: all 0.15s; user-select: none; }
.intent-chip:hover { border-color: var(--accent); }
.intent-chip.active { background: var(--accent-bg); border-color: var(--accent); color: var(--accent); font-weight: 500; }
.intent-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 36px; padding-top: 20px; border-top: 0.5px solid var(--ink-faint); }
.intent-btn { padding: 12px 24px; border-radius: var(--radius); font-family: var(--font-sans); font-size: 14px; font-weight: 500; cursor: pointer; border: 1px solid transparent; transition: all 0.15s; min-height: 44px; }
.intent-btn.primary { background: var(--accent); color: #060606; border-color: var(--accent); min-width: 220px; }
.intent-btn.primary:hover:not(:disabled) { transform: translateY(-1px); filter: brightness(1.05); }
.intent-btn.primary:disabled { opacity: 0.35; cursor: not-allowed; background: var(--bg-card); color: var(--ink-dim); border-color: var(--ink-faint); }
.intent-btn.ghost { background: transparent; color: var(--ink-dim); border-color: var(--ink-faint); }
.intent-btn.ghost:hover { color: var(--ink); border-color: var(--ink); }

.reveal { position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0; transition: opacity 0.7s; }
.reveal::before { content: ''; position: absolute; inset: 0; background-color: #0c0c0d; background-image: repeating-linear-gradient(45deg, rgba(255,255,255,0.05) 0 1.5px, transparent 1.5px 4px), repeating-linear-gradient(-45deg, rgba(0,0,0,0.55) 0 1.5px, transparent 1.5px 4px), radial-gradient(ellipse at center, #16161a 0%, #08080a 80%); }
.reveal::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at center 35%, rgba(0,0,0,0) 0%, rgba(0,0,0,0.25) 60%, rgba(0,0,0,0.7) 100%), linear-gradient(to bottom, transparent 55%, rgba(0,0,0,0.55) 100%); }
.reveal-img { position: absolute; inset: 0; background-position: center; background-size: contain; background-repeat: no-repeat; }
body.hover-perf .reveal-perf, body.hover-eco .reveal-eco { opacity: 1; }
body.hover-perf, body.hover-eco { background: var(--bg); }
.reveal-perf .reveal-img { background-image: url('scarecrow-perf.png'); }
.reveal-eco  .reveal-img { background-image: url('scarecrow-eco.png'); }
.reveal-eco::before { background-color: #1a0f04; background-image: repeating-linear-gradient(45deg, rgba(255,217,122,0.06) 0 1.5px, transparent 1.5px 4px), repeating-linear-gradient(-45deg, rgba(0,0,0,0.5) 0 1.5px, transparent 1.5px 4px), radial-gradient(ellipse at center, #2a1d0a 0%, #0a0500 80%); }

.chat-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.45); opacity: 0; pointer-events: none; transition: opacity 220ms; z-index: 1049; }
.chat-overlay.show { opacity: 1; pointer-events: auto; backdrop-filter: blur(2px); }
.chat-panel { position: fixed; top: 0; right: 0; height: 100vh; width: min(440px, 92vw); background: #0c0d10; border-left: 1px solid rgba(255,255,255,0.12); box-shadow: -10px 0 36px rgba(0,0,0,0.6); transform: translateX(100%); transition: transform 280ms cubic-bezier(0.2,0.8,0.2,1); z-index: 1050; display: flex; flex-direction: column; overflow: hidden; }
.chat-panel.open { transform: translateX(0); }
.chat-header { padding: 14px 18px; border-bottom: 1px solid rgba(255,255,255,0.10); background: linear-gradient(180deg, #14161b, #0c0d10); flex-shrink: 0; display: flex; align-items: center; gap: 12px; }
.chat-header-icon { width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg, #c8ff5a, #5b9fe0); display: flex; align-items: center; justify-content: center; color: #060606; font-size: 16px; font-weight: 700; }
.chat-header-meta { display: flex; flex-direction: column; gap: 2px; }
.chat-header-name { font-size: 14px; font-weight: 600; color: var(--ink); }
.chat-header-status { font-size: 9px; color: #3fb950; letter-spacing: 0.5px; text-transform: uppercase; font-weight: 600; }
.chat-header-status::before { content: '\2022'; margin-right: 4px; }
.chat-close { margin-left: auto; background: transparent; border: 1px solid rgba(255,255,255,0.15); color: var(--ink-dim); width: 28px; height: 28px; border-radius: 4px; cursor: pointer; }
.chat-body { flex: 1; overflow-y: auto; padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; }
.chat-msg, .chat-msg-scarecrow, .chat-msg-user { max-width: 88%; padding: 9px 13px; border-radius: 12px; font-size: 12px; line-height: 1.55; }
.chat-msg-scarecrow { align-self: flex-start; background: #1a1d22; border: 1px solid rgba(255,255,255,0.08); color: var(--ink); border-bottom-left-radius: 4px; }
.chat-msg-user { align-self: flex-end; background: linear-gradient(135deg, #c8ff5a, #95cc40); color: #060606; border-bottom-right-radius: 4px; }
.chat-footer { border-top: 1px solid rgba(255,255,255,0.10); padding: 12px 14px; background: #14161b; display: flex; gap: 8px; align-items: flex-end; }
.chat-input { flex: 1; background: #0c0d10; border: 1px solid rgba(255,255,255,0.12); border-radius: 6px; padding: 9px 12px; color: var(--ink); font-size: 12px; resize: none; min-height: 36px; max-height: 96px; }
.chat-send { background: var(--perf-accent); border: none; color: #060606; padding: 0 18px; height: 36px; border-radius: 6px; font-weight: 700; font-size: 12px; cursor: pointer; }