/* ============================================================
   AVA — AI Front Desk demo · greyfeathers brand tokens
============================================================ */
:root, [data-theme="light"] {
  --bg:        #E3E1D9;
  --bg-2:      #ECEAE2;
  --surface:   #F5F3ED;
  --text:      #16150F;
  --muted:     #6A6960;
  --faint:     #9A968B;
  --line:      #CBC8BE;
  --accent:    #1A5438;
  --accent-2:  #226b48;
  --accent-soft:#CDDFD4;
  --on-accent: #EFF4F0;
  --panel-bg:  #141310;
  --panel-text:#E9E6DD;
  --panel-muted:#A29E92;
  --panel-line:#2C2A25;
  --warn:      #B4531F;
  --warn-soft: #F3DDCB;
  --shadow:    0 18px 50px rgba(20,19,16,0.13);
  --shadow-sm: 0 6px 20px rgba(20,19,16,0.08);
}
[data-theme="dark"] {
  --bg:        #100F0C;
  --bg-2:      #16140F;
  --surface:   #1B1915;
  --text:      #E8E4DA;
  --muted:     #9C988C;
  --faint:     #6E6A60;
  --line:      #2B2924;
  --accent:    #62AC82;
  --accent-2:  #7cc39a;
  --accent-soft:#213a2c;
  --on-accent: #0C1410;
  --panel-bg:  #1C1B16;
  --panel-text:#E9E6DD;
  --panel-muted:#9C988C;
  --panel-line:#322F29;
  --warn:      #E08A4E;
  --warn-soft: #3a2415;
  --shadow:    0 18px 50px rgba(0,0,0,0.55);
  --shadow-sm: 0 6px 20px rgba(0,0,0,0.4);
}
:root {
  --font-display: 'Fraunces', Georgia, serif;
  --font-sans:    'Schibsted Grotesk', system-ui, -apple-system, sans-serif;
  --font-mono:    'Geist Mono', ui-monospace, monospace;
  --maxw: 1240px;
  --gutter: clamp(1.15rem, 5vw, 4.5rem);
  --r: 16px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
html, body { overflow-x: clip; max-width: 100vw; }
body {
  background: var(--bg); color: var(--text);
  font-family: var(--font-sans); font-size: 1rem; line-height: 1.6;
  transition: background .5s ease, color .5s ease;
}
a { color: inherit; text-decoration: none; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
.mono { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .02em; }
em { font-style: italic; font-family: var(--font-display); }

/* ---------- top bar + nav ---------- */
.topbar { background: var(--panel-bg); color: var(--panel-text); font-size: .74rem; }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 34px; }
.topbar .dot { color: #62AC82; animation: blink 2.4s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.35} }
.theme-toggle { background: none; border: 0; color: var(--panel-text); font-size: 1rem; cursor: pointer; opacity: .8; }
.theme-toggle:hover { opacity: 1; }

.nav { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { font-family: var(--font-display); font-weight: 600; font-size: 1.28rem; letter-spacing: -.02em; }
.brand .idx { font-family: var(--font-mono); font-size: .62rem; color: var(--accent); vertical-align: super; margin-left: 2px; }
.nav-cta { font-weight: 600; font-size: .92rem; color: var(--accent); }
.nav-cta:hover { color: var(--accent-2); }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; font-size: .95rem;
  padding: .72rem 1.35rem; border-radius: 100px; border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s; white-space: nowrap; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: var(--on-accent); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--accent-2); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: .95rem 1.8rem; font-size: 1.02rem; }

/* ---------- hero ---------- */
.hero { padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2rem,4vw,3rem); }
.hero-grid { display: grid; grid-template-columns: 1.35fr .9fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
.eyebrow { display: inline-block; color: var(--accent); background: var(--accent-soft); padding: .3rem .7rem;
  border-radius: 100px; margin-bottom: 1.1rem; font-weight: 500; }
.hero h1 { font-family: var(--font-display); font-weight: 400; font-size: clamp(2.1rem, 5vw, 3.7rem);
  line-height: 1.03; letter-spacing: -.02em; margin-bottom: 1.1rem; }
.hero h1 em { color: var(--accent); }
.ava-name { color: var(--accent); font-style: normal; }
.lede { font-size: clamp(1rem, 1.4vw, 1.14rem); color: var(--muted); max-width: 44ch; margin-bottom: 1.7rem; }
.lede strong { color: var(--text); font-weight: 600; }
.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-bottom: 1.1rem; }
.hero-note { color: var(--faint); }

/* impact card */
.impact { background: var(--panel-bg); color: var(--panel-text); border-radius: var(--r);
  padding: 1.4rem 1.4rem 1.1rem; box-shadow: var(--shadow); }
.impact-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.2rem; }
.impact-head .mono { color: var(--panel-muted); }
.pulse { font-family: var(--font-mono); font-size: .68rem; color: #9FC9AE; display: flex; align-items: center; gap: .4rem; }
.pulse i { width: 7px; height: 7px; border-radius: 50%; background: #62AC82; box-shadow: 0 0 0 0 rgba(98,172,130,.6);
  animation: ping 1.8s infinite; }
@keyframes ping { 0%{box-shadow:0 0 0 0 rgba(98,172,130,.5)} 70%{box-shadow:0 0 0 8px rgba(98,172,130,0)} 100%{box-shadow:0 0 0 0 rgba(98,172,130,0)} }
.impact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--panel-line);
  border: 1px solid var(--panel-line); border-radius: 12px; overflow: hidden; }
.stat { background: var(--panel-bg); padding: 1rem 1rem 1.05rem; }
.stat.accent { background: #17301f; }
.stat-num { display: block; font-family: var(--font-display); font-size: 1.9rem; font-weight: 500; line-height: 1;
  letter-spacing: -.02em; transition: color .3s; }
.stat.accent .stat-num { color: #9FC9AE; }
.stat-label { display: block; font-family: var(--font-mono); font-size: .66rem; color: var(--panel-muted);
  margin-top: .45rem; text-transform: uppercase; letter-spacing: .04em; }
.stat-num.bump { animation: bump .5s ease; }
@keyframes bump { 0%{transform:scale(1)} 40%{transform:scale(1.18); color:#9FC9AE} 100%{transform:scale(1)} }
.impact-foot { margin-top: .95rem; color: var(--panel-muted); text-align: center; }

/* ---------- demo section ---------- */
.demo { padding: clamp(1rem,3vw,2rem) 0 clamp(2.5rem,5vw,4rem); }
.demo-grid { display: grid; grid-template-columns: 400px 1fr; gap: clamp(1.5rem,3vw,2.5rem); align-items: start; }

/* phone */
.phone-wrap { position: sticky; top: 78px; }
.phone { background: var(--surface); border: 1px solid var(--line); border-radius: 30px; overflow: hidden;
  box-shadow: var(--shadow); display: flex; flex-direction: column; height: 640px; position: relative; }
.phone-notch { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); width: 92px; height: 6px;
  background: var(--line); border-radius: 100px; z-index: 5; }
.chat-head { display: flex; align-items: center; gap: .7rem; padding: 1.5rem 1.1rem .9rem; border-bottom: 1px solid var(--line);
  background: var(--bg-2); }
.chat-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--accent); color: var(--on-accent);
  display: grid; place-items: center; font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; flex-shrink: 0; }
.chat-id { flex: 1; line-height: 1.2; }
.chat-id strong { font-size: 1.02rem; }
.chat-sub { display: flex; align-items: center; gap: .35rem; font-size: .72rem; color: var(--muted); }
.online-dot { width: 7px; height: 7px; border-radius: 50%; background: #35b46a; display: inline-block; }
.chat-badge { background: var(--accent-soft); color: var(--accent); padding: .2rem .5rem; border-radius: 6px; font-weight: 500; }

.chat-log { flex: 1; overflow-y: auto; padding: 1.1rem 1rem; display: flex; flex-direction: column; gap: .6rem;
  scroll-behavior: smooth; }
.msg { max-width: 82%; padding: .62rem .85rem; border-radius: 16px; font-size: .92rem; line-height: 1.45;
  animation: pop .28s ease; word-wrap: break-word; }
@keyframes pop { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.msg.bot { background: var(--bg-2); border: 1px solid var(--line); align-self: flex-start; border-bottom-left-radius: 5px; }
.msg.user { background: var(--accent); color: var(--on-accent); align-self: flex-end; border-bottom-right-radius: 5px; }
.msg.bot strong { color: var(--accent); }
.msg.bot.alert { background: var(--warn-soft); border-color: var(--warn); }
.msg.bot.alert strong { color: var(--warn); }
.msg-time { font-size: .6rem; opacity: .5; margin-top: .25rem; font-family: var(--font-mono); display:block; }
.msg .rich { margin-top: .5rem; display: flex; flex-direction: column; gap: .35rem; }
.msg .rich .line { display: flex; justify-content: space-between; gap: 1rem; font-size: .82rem;
  padding: .3rem .5rem; background: var(--surface); border-radius: 7px; border: 1px solid var(--line); }
.msg .rich .line b { font-weight: 600; }

.typing { align-self: flex-start; background: var(--bg-2); border: 1px solid var(--line); padding: .7rem .9rem;
  border-radius: 16px; border-bottom-left-radius: 5px; display: flex; gap: 4px; }
.typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); animation: td 1.2s infinite; }
.typing span:nth-child(2){animation-delay:.2s} .typing span:nth-child(3){animation-delay:.4s}
@keyframes td { 0%,60%,100%{transform:translateY(0);opacity:.4} 30%{transform:translateY(-5px);opacity:1} }

.chat-chips { display: flex; flex-wrap: wrap; gap: .4rem; padding: .3rem .8rem .5rem; }
.chip { font-family: var(--font-sans); font-size: .8rem; font-weight: 500; padding: .42rem .8rem; border-radius: 100px;
  background: var(--surface); border: 1px solid var(--accent-soft); color: var(--accent); cursor: pointer;
  transition: all .15s; }
.chip:hover { background: var(--accent-soft); transform: translateY(-1px); }
[data-theme="dark"] .chip { color: var(--accent-2); }

.chat-input { display: flex; gap: .5rem; padding: .7rem .8rem 1rem; border-top: 1px solid var(--line); background: var(--bg-2); }
.chat-input input { flex: 1; border: 1px solid var(--line); background: var(--surface); color: var(--text);
  border-radius: 100px; padding: .65rem 1rem; font-family: var(--font-sans); font-size: .9rem; outline: none; }
.chat-input input:focus { border-color: var(--accent); }
.chat-input button { width: 42px; height: 42px; border-radius: 50%; border: 0; background: var(--accent);
  color: var(--on-accent); font-size: 1.2rem; cursor: pointer; flex-shrink: 0; transition: background .2s; }
.chat-input button:hover { background: var(--accent-2); }
.phone-cap { text-align: center; color: var(--faint); margin-top: .9rem; }

/* ---------- side / calendar ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 1.3rem;
  box-shadow: var(--shadow-sm); margin-bottom: 1.2rem; }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: .35rem; }
.card-head h3 { font-family: var(--font-display); font-weight: 500; font-size: 1.22rem; letter-spacing: -.01em; }
.tag { background: var(--bg-2); color: var(--muted); padding: .22rem .55rem; border-radius: 7px; border: 1px solid var(--line); }
.tag.ok { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.card-sub { color: var(--muted); font-size: .88rem; margin-bottom: 1.1rem; }

.cal-days { display: flex; flex-direction: column; gap: .7rem; }
.cal-day { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.cal-day-head { display: flex; align-items: baseline; gap: .5rem; padding: .55rem .85rem; background: var(--bg-2);
  border-bottom: 1px solid var(--line); }
.cal-day-head .dow { font-weight: 600; font-size: .9rem; }
.cal-day-head .date { font-family: var(--font-mono); font-size: .72rem; color: var(--muted); }
.cal-day-head .count { margin-left: auto; font-family: var(--font-mono); font-size: .68rem; color: var(--faint); }
.cal-slots { display: flex; flex-wrap: wrap; gap: .4rem; padding: .7rem .85rem; }
.slot { font-family: var(--font-mono); font-size: .72rem; padding: .32rem .55rem; border-radius: 7px;
  border: 1px solid var(--accent-soft); color: var(--accent); background: var(--surface); transition: all .3s; }
[data-theme="dark"] .slot { color: var(--accent-2); }
.slot.taken { color: var(--faint); border-color: var(--line); background: var(--bg-2); text-decoration: line-through;
  opacity: .65; }
.slot.just-booked { background: var(--accent); color: var(--on-accent); border-color: var(--accent);
  text-decoration: none; opacity: 1; animation: bump .5s ease; }

.capture-list { list-style: none; display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1rem; }
.capture-list li { display: flex; justify-content: space-between; gap: 1rem; font-size: .88rem; padding: .45rem .7rem;
  background: var(--bg-2); border-radius: 8px; border: 1px solid var(--line); }
.capture-list li span:first-child { color: var(--muted); font-family: var(--font-mono); font-size: .74rem; }
.capture-list li span:last-child { font-weight: 600; }

/* ---------- handles ---------- */
.handles { padding: clamp(2.5rem,5vw,4rem) 0; background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.handles h2, .cta h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.7rem,3.4vw,2.6rem);
  letter-spacing: -.02em; margin-bottom: 2rem; line-height: 1.08; }
.handles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.h-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 1.4rem;
  transition: transform .18s, box-shadow .2s; }
.h-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.h-ico { font-size: 1.7rem; display: block; margin-bottom: .7rem; }
.h-card h4 { font-size: 1.08rem; font-weight: 600; margin-bottom: .4rem; }
.h-card p { color: var(--muted); font-size: .9rem; }

/* ---------- cta ---------- */
.cta { padding: clamp(3rem,6vw,5rem) 0; }
.cta-inner { display: grid; grid-template-columns: 1.4fr auto; gap: 2rem; align-items: center;
  background: var(--panel-bg); color: var(--panel-text); border-radius: 24px; padding: clamp(1.8rem,4vw,3rem); }
.cta h2 { color: var(--panel-text); margin-bottom: .7rem; }
.cta h2 em { color: #9FC9AE; }
.cta p { color: var(--panel-muted); max-width: 52ch; }

/* ---------- footer ---------- */
.foot { padding: 2rem 0 2.5rem; border-top: 1px solid var(--line); }
.foot-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.foot .mono { color: var(--faint); }
.foot a { color: var(--accent); font-weight: 600; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .impact { max-width: 460px; }
  .demo-grid { grid-template-columns: 1fr; }
  .phone-wrap { position: static; }
  .phone { max-width: 420px; margin: 0 auto; height: 600px; }
  .handles-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { grid-template-columns: 1fr; text-align: left; }
}
@media (max-width: 560px) {
  .handles-grid { grid-template-columns: 1fr; }
  .impact-grid { grid-template-columns: 1fr 1fr; }
  .hero-actions .btn { flex: 1; justify-content: center; }
}