/* ── AIGriefBot · tonal sage system ─────────────────────────────
   Palette: sage-50 #F3F6F1 · sage-100 #E5ECDF · sage-300 #C0D0B4
            sage-500 #87A078 · ink #212B1F · white cards
   Type: Manrope everywhere; letterspaced uppercase headings.   */

:root {
  --sage-50:#F3F6F1; --sage-100:#E5ECDF; --sage-200:#D5E0CC;
  --sage-300:#C0D0B4; --sage-500:#87A078; --sage-700:#5C7350;
  --ink:#212B1F; --ink-soft:#47523F;
  --card:#FFFFFF; --radius:22px;
  --shadow:0 10px 34px rgba(33,43,31,.09);
}

* { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }
body {
  font-family:'Manrope',system-ui,sans-serif;
  background:var(--sage-50); color:var(--ink);
  line-height:1.6; -webkit-font-smoothing:antialiased;
}
a { color:inherit; text-decoration:none; }
img { max-width:100%; }

/* ── nav ── */
.nav-wrap { position:sticky; top:14px; z-index:50; display:flex; justify-content:center; padding:0 16px; }
.nav-pill {
  display:flex; align-items:center; justify-content:space-between; gap:28px;
  width:100%; max-width:960px; background:var(--card);
  border-radius:999px; padding:10px 12px 10px 26px; box-shadow:var(--shadow);
}
.brand { font-weight:800; letter-spacing:.14em; text-transform:uppercase; font-size:.85rem; }
.nav-links { display:flex; align-items:center; gap:22px; font-weight:600; font-size:.9rem; }
.nav-links a:not(.btn-dark):hover { color:var(--sage-700); }

/* ── buttons ── */
.btn-dark {
  display:inline-block; background:var(--ink); color:#fff;
  border:none; border-radius:999px; padding:14px 32px;
  font-family:inherit; font-weight:700; font-size:.9rem; letter-spacing:.04em;
  cursor:pointer; transition:transform .15s ease, background .15s ease;
}
.btn-dark:hover { background:#111A10; transform:translateY(-1px); }
.btn-sm { padding:9px 20px; font-size:.8rem; }
.btn-ghost {
  display:inline-block; border:1.5px solid var(--ink); border-radius:999px;
  padding:12px 30px; font-weight:700; font-size:.9rem;
  transition:background .15s ease;
}
.btn-ghost:hover { background:var(--sage-100); }

/* ── type ── */
.eyebrow {
  text-transform:uppercase; letter-spacing:.22em; font-weight:700;
  font-size:.72rem; color:var(--sage-700); margin-bottom:14px;
}
h1 { font-size:clamp(2.2rem,5vw,3.6rem); font-weight:800; letter-spacing:-.02em; line-height:1.12; }
h2 { font-size:clamp(1.5rem,3vw,2.1rem); font-weight:800; letter-spacing:-.01em; }
.lead { font-size:1.08rem; color:var(--ink-soft); max-width:56ch; }

/* ── hero with organic waves ── */
.hero { position:relative; overflow:hidden; padding:96px 20px 140px; text-align:center; }
.hero-inner { position:relative; z-index:2; max-width:720px; margin:0 auto; display:flex; flex-direction:column; align-items:center; gap:22px; }
.wave { position:absolute; left:50%; transform:translateX(-50%); border-radius:48% 52% 55% 45% / 55% 48% 52% 45%; z-index:0; }
.wave-a { width:1200px; height:1200px; bottom:-880px; background:var(--sage-100); }
.wave-b { width:1500px; height:1500px; bottom:-1220px; background:var(--sage-200); animation:drift 26s ease-in-out infinite alternate; }
@keyframes drift { from{transform:translateX(-52%) rotate(-2deg);} to{transform:translateX(-48%) rotate(2deg);} }
@media (prefers-reduced-motion:reduce){ .wave-b{animation:none;} }

/* ── sections & cards ── */
.section { max-width:1020px; margin:0 auto; padding:72px 20px; }
.grid-3 { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:22px; margin-top:36px; }
.card {
  background:var(--card); border-radius:var(--radius);
  padding:30px 28px; box-shadow:var(--shadow);
}
.card h3 { font-size:1.02rem; font-weight:800; letter-spacing:.08em; text-transform:uppercase; margin-bottom:10px; }
.card p { color:var(--ink-soft); font-size:.95rem; }

/* dark contrast band */
.band {
  background:var(--ink); color:var(--sage-50);
  border-radius:32px; max-width:1020px; margin:40px auto;
  padding:64px 44px; text-align:center;
}
.band .eyebrow { color:var(--sage-300); }
.band p { color:var(--sage-100); max-width:60ch; margin:14px auto 28px; }

/* ── forms ── */
.form-card { max-width:520px; margin:56px auto; }
.form-card.wide { max-width:720px; }
.field { margin-bottom:18px; }
.field label { display:block; font-weight:700; font-size:.8rem; letter-spacing:.1em; text-transform:uppercase; margin-bottom:7px; color:var(--ink-soft); }
.field input, .field textarea, .field select {
  width:100%; border:1.5px solid var(--sage-200); border-radius:14px;
  padding:13px 16px; font-family:inherit; font-size:.95rem; background:#fff;
}
.field textarea { min-height:110px; resize:vertical; }
.field input:focus, .field textarea:focus { outline:2px solid var(--sage-500); border-color:transparent; }
.hint { font-size:.8rem; color:var(--ink-soft); margin-top:5px; }
.consent {
  display:flex; gap:12px; align-items:flex-start; background:var(--sage-100);
  border-radius:14px; padding:14px 16px; font-size:.86rem; color:var(--ink-soft);
  margin-bottom:18px;
}
.consent input { margin-top:4px; }
.error { background:#F7E7E4; color:#7C2D22; border-radius:12px; padding:12px 16px; font-size:.88rem; margin-bottom:16px; }

/* ── dashboard ── */
.persona-card { display:flex; flex-direction:column; gap:8px; }
.persona-card .rel { font-size:.8rem; letter-spacing:.14em; text-transform:uppercase; color:var(--sage-700); font-weight:700; }
.persona-card .actions { margin-top:14px; display:flex; gap:10px; }

/* ── chat ── */
.chat-shell { max-width:760px; margin:34px auto 60px; padding:0 16px; display:flex; flex-direction:column; height:calc(100vh - 210px); min-height:480px; }
.chat-head { display:flex; align-items:center; justify-content:space-between; gap:14px; margin-bottom:14px; }
.chat-head h1 { font-size:1.35rem; }
.ai-chip {
  font-size:.68rem; font-weight:800; letter-spacing:.14em; text-transform:uppercase;
  background:var(--sage-100); color:var(--sage-700); border-radius:999px; padding:6px 14px;
  white-space:nowrap;
}
.chat-window {
  flex:1; overflow-y:auto; background:var(--card); border-radius:var(--radius);
  box-shadow:var(--shadow); padding:26px; display:flex; flex-direction:column; gap:14px;
}
.msg { max-width:78%; padding:13px 17px; border-radius:18px; font-size:.95rem; white-space:pre-wrap; }
.msg.user { align-self:flex-end; background:var(--ink); color:#fff; border-bottom-right-radius:6px; }
.msg.assistant { align-self:flex-start; background:var(--sage-100); border-bottom-left-radius:6px; }
.msg.system-note { align-self:center; background:transparent; color:var(--ink-soft); font-size:.8rem; text-align:center; max-width:90%; }
.typing { align-self:flex-start; display:flex; gap:5px; padding:14px 18px; }
.typing span { width:7px; height:7px; border-radius:50%; background:var(--sage-500); animation:breathe 1.3s ease-in-out infinite; }
.typing span:nth-child(2){animation-delay:.18s;} .typing span:nth-child(3){animation-delay:.36s;}
@keyframes breathe { 0%,100%{opacity:.25; transform:translateY(0);} 50%{opacity:1; transform:translateY(-3px);} }

.chat-input { display:flex; gap:10px; margin-top:14px; }
.chat-input textarea {
  flex:1; border:1.5px solid var(--sage-200); border-radius:18px; padding:14px 18px;
  font-family:inherit; font-size:.95rem; resize:none; height:56px; background:#fff;
}
.chat-input textarea:focus { outline:2px solid var(--sage-500); border-color:transparent; }

/* ── footer ── */
.site-footer { margin-top:60px; padding:44px 20px 30px; background:var(--sage-100); }
.footer-inner { max-width:960px; margin:0 auto; text-align:center; }
.foot-brand { font-weight:800; letter-spacing:.14em; text-transform:uppercase; font-size:.8rem; margin-bottom:10px; }
.foot-note { font-size:.84rem; color:var(--ink-soft); max-width:62ch; margin:0 auto 14px; }
.foot-note a { text-decoration:underline; }
.foot-legal { font-size:.75rem; color:var(--sage-700); }

@media (max-width:640px) {
  .nav-links a:not(.btn-dark) { display:none; }
  .hero { padding:64px 16px 110px; }
  .band { margin:24px 14px; padding:44px 24px; }
}

/* ── dark dusk theme (landing) ─────────────────────────────────
   Ref: dark blurred gradient mesh, transparent nav, tracked
   headline, white pill CTA. Palette: night #0B0E14 · dusk-amber
   #C08A52 · steel #6E96B8 · deep-teal #1E3A3F · mist #E9EDF2   */

.theme-dark { background:#0B0E14; color:#E9EDF2; }

/* full-bleed gradient mesh hero */
.theme-dark .hero-dusk {
  position:relative; overflow:hidden; min-height:92vh;
  display:flex; align-items:center; justify-content:center;
  text-align:center; padding:0 20px;
}
.dusk-bg { position:absolute; inset:-20%; z-index:0; filter:blur(70px) saturate(1.05); }
.dusk-bg::before, .dusk-bg::after, .dusk-bg .bloom {
  content:''; position:absolute; border-radius:50%;
}
.dusk-bg::before {
  width:60vw; height:60vw; left:-10%; top:-15%;
  background:radial-gradient(circle, rgba(192,138,82,.55), transparent 65%);
  animation:bloomDrift 34s ease-in-out infinite alternate;
}
.dusk-bg::after {
  width:55vw; height:55vw; right:-12%; top:8%;
  background:radial-gradient(circle, rgba(110,150,184,.5), transparent 65%);
  animation:bloomDrift 42s ease-in-out infinite alternate-reverse;
}
.dusk-bg .bloom {
  width:70vw; height:50vw; left:15%; bottom:-25%;
  background:radial-gradient(ellipse, rgba(30,58,63,.85), transparent 70%);
  animation:bloomDrift 38s ease-in-out infinite alternate;
}
@keyframes bloomDrift {
  from { transform:translate(0,0) scale(1); }
  to   { transform:translate(4vw,3vh) scale(1.12); }
}
@media (prefers-reduced-motion:reduce) {
  .dusk-bg::before, .dusk-bg::after, .dusk-bg .bloom { animation:none; }
}
.hero-dusk .hero-inner { position:relative; z-index:2; max-width:680px; display:flex; flex-direction:column; align-items:center; gap:26px; }

/* tracked headline, ref-style */
.dusk-title {
  font-weight:400; letter-spacing:.32em; text-transform:uppercase;
  font-size:clamp(1.9rem,5.5vw,3.4rem); line-height:1.2;
  padding-left:.32em; /* optical centering vs tracking */
  text-shadow:0 2px 30px rgba(0,0,0,.35);
}
.dusk-sub { color:rgba(233,237,242,.78); font-size:.95rem; max-width:52ch; }
.dusk-kicker { font-size:.68rem; font-weight:700; letter-spacing:.3em; text-transform:uppercase; color:rgba(233,237,242,.55); }

/* white pill CTA on dark */
.btn-light {
  display:inline-block; background:#F4F6F8; color:#12161E;
  border:none; border-radius:999px; padding:14px 36px;
  font-family:inherit; font-weight:700; font-size:.82rem; letter-spacing:.14em; text-transform:uppercase;
  cursor:pointer; transition:transform .15s ease, box-shadow .15s ease;
}
.btn-light:hover { transform:translateY(-1px); box-shadow:0 8px 28px rgba(233,237,242,.18); }
.btn-outline-light {
  display:inline-block; border:1px solid rgba(233,237,242,.5); color:#E9EDF2;
  border-radius:999px; padding:12px 32px; font-weight:600; font-size:.82rem; letter-spacing:.12em; text-transform:uppercase;
  transition:background .15s ease;
}
.btn-outline-light:hover { background:rgba(233,237,242,.08); }

/* transparent ref-style nav */
.theme-dark .nav-wrap { position:absolute; top:0; left:0; right:0; padding:26px 4vw; }
.theme-dark .nav-pill {
  background:transparent; box-shadow:none; border-radius:0;
  max-width:1200px; padding:0; color:#E9EDF2;
}
.theme-dark .brand { color:#E9EDF2; letter-spacing:.22em; font-weight:700; }
.theme-dark .nav-links { gap:30px; font-size:.72rem; font-weight:600; letter-spacing:.16em; text-transform:uppercase; }
.theme-dark .nav-links a:not(.btn-dark):hover { color:#fff; opacity:.85; }
.theme-dark .nav-links .btn-dark {
  background:transparent; border:1px solid rgba(233,237,242,.55);
  padding:8px 20px; font-size:.68rem; letter-spacing:.16em; text-transform:uppercase;
}
.theme-dark .nav-links .btn-dark:hover { background:rgba(233,237,242,.1); transform:none; }

/* dark sections & glass cards */
.theme-dark .section { max-width:1080px; }
.theme-dark .eyebrow { color:rgba(233,237,242,.5); }
.theme-dark .lead { color:rgba(233,237,242,.72); }
.glass-card {
  background:rgba(233,237,242,.05);
  border:1px solid rgba(233,237,242,.1);
  border-radius:var(--radius); padding:30px 28px;
  backdrop-filter:blur(6px);
}
.glass-card h3 { font-size:.92rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase; margin-bottom:10px; color:#E9EDF2; }
.glass-card p { color:rgba(233,237,242,.68); font-size:.93rem; }

.theme-dark .band {
  background:rgba(233,237,242,.04);
  border:1px solid rgba(233,237,242,.1);
  color:#E9EDF2;
}
.theme-dark .band p { color:rgba(233,237,242,.7); }

.theme-dark .site-footer { background:#080A0F; }
.theme-dark .foot-brand { color:#E9EDF2; }
.theme-dark .foot-note { color:rgba(233,237,242,.55); }
.theme-dark .foot-legal { color:rgba(233,237,242,.35); }

@media (max-width:640px) {
  .theme-dark .nav-wrap { padding:20px 5vw; }
  .dusk-title { letter-spacing:.2em; padding-left:.2em; }
}

/* ── usage meters ── */
.meter { height:8px; border-radius:999px; background:var(--sage-100); overflow:hidden; margin-top:8px; }
.meter-fill { height:100%; border-radius:999px; transition:width .3s ease; }

/* ── voice playback button on assistant messages ── */
.voice-btn {
  display:inline-flex; align-items:center; gap:6px; margin-top:6px;
  border:1px solid var(--sage-300); background:#fff; color:var(--sage-700);
  border-radius:999px; padding:4px 12px; font-family:inherit; font-weight:700;
  font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; cursor:pointer;
}
.voice-btn:hover { background:var(--sage-100); }
.voice-btn.playing { background:var(--ink); color:#fff; border-color:var(--ink); }