/* ============================================================
   CROS — cros-ai.com  ·  front-end design mock
   Ultra-premium identity: ivory canvas · ink · deep teal · champagne
   Fonts: Fraunces (display serif) + Inter (UI sans)
   ============================================================ */

:root{
  /* canvas + ink */
  --ivory:#F6F2EA;
  --ivory-2:#FBF9F3;
  --paper:#FFFFFF;
  --ink:#15181A;
  --ink-soft:#3B4143;
  --muted:#75807F;
  --hair:#E6DFD2;
  --hair-2:#EFE9DD;

  /* brand */
  --teal:#0D4A5C;
  --teal-deep:#0A3744;
  --teal-bright:#1C8FA6;
  --brass:#BF9F66;
  --brass-soft:#D9C49A;

  /* dark "system" sections */
  --night:#0A2730;
  --night-2:#0E323D;
  --night-line:#1C4350;
  --on-night:#EAEFEE;
  --on-night-muted:#92A8AC;

  /* status tints */
  --warm:#C99A3A;
  --hot:#C76A57;
  --go:#2E9E78;

  /* system */
  --maxw:1180px;
  --gutter:clamp(20px,5vw,64px);
  --r-sm:10px;
  --r:16px;
  --r-lg:26px;
  --shadow:0 24px 60px -28px rgba(10,40,49,.28);
  --shadow-soft:0 10px 30px -16px rgba(10,40,49,.22);
  --ease:cubic-bezier(.22,.61,.36,1);

  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--ivory);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}

/* ---------- typography ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:400;line-height:1.08;letter-spacing:-.01em;margin:0}
.display{font-size:clamp(2.6rem,6vw,4.7rem);font-optical-sizing:auto}
h2.section-title{font-size:clamp(2rem,4vw,3.1rem)}
h3{font-size:clamp(1.3rem,2.4vw,1.7rem)}
.eyebrow{
  font-family:var(--sans);font-size:.72rem;font-weight:600;letter-spacing:.22em;
  text-transform:uppercase;color:var(--teal);display:inline-flex;align-items:center;gap:.6em;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--brass)}
.eyebrow.center::after{content:"";width:26px;height:1px;background:var(--brass)}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--ink-soft);line-height:1.65}
.muted{color:var(--muted)}
.serif-accent{font-family:var(--serif);font-style:italic;color:var(--teal)}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
section{padding-block:clamp(72px,10vw,128px)}
.section-head{max-width:660px;margin-bottom:56px}
.section-head.center{margin-inline:auto;text-align:center}
.section-head .lead{margin-top:18px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;border:1px solid transparent;
  padding:.92em 1.5em;border-radius:999px;font-weight:600;font-size:.95rem;
  transition:transform .3s var(--ease),background .3s,box-shadow .3s,color .3s;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 12px 26px -14px rgba(13,74,92,.7)}
.btn-primary:hover{background:var(--teal-deep)}
.btn-ghost{background:transparent;border-color:var(--hair);color:var(--ink)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.btn-light{background:#fff;color:var(--teal)}
.btn-night{background:var(--brass);color:var(--night)}
.btn-night:hover{background:var(--brass-soft)}
.btn .arrow{transition:transform .3s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
.btn-lg{padding:1.05em 1.8em;font-size:1rem}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(246,242,234,.82);backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s,padding .3s,background .3s;
}
.nav.scrolled{border-color:var(--hair);background:rgba(246,242,234,.94)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-size:.92rem;color:var(--ink-soft);font-weight:500;transition:color .25s}
.nav-links a:hover{color:var(--teal)}
.nav-cta{display:flex;align-items:center;gap:14px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--serif);font-size:1.35rem;letter-spacing:.02em;color:var(--ink)}
.brand .mark{width:34px;height:34px;flex:0 0 auto}
.brand b{font-weight:500}
.brand .ai{font-size:.62em;letter-spacing:.18em;color:var(--teal);font-family:var(--sans);font-weight:600;align-self:flex-start;margin-top:.2em}
.hamburger{display:none;width:42px;height:42px;border:1px solid var(--hair);border-radius:10px;background:transparent;align-items:center;justify-content:center}
.hamburger span,.hamburger span::before,.hamburger span::after{content:"";display:block;width:18px;height:1.5px;background:var(--ink);position:relative;transition:.3s}
.hamburger span::before{position:absolute;top:-6px}
.hamburger span::after{position:absolute;top:6px}

/* ---------- HERO ---------- */
.hero{position:relative;overflow:hidden;padding-top:clamp(56px,8vw,96px);padding-bottom:clamp(40px,6vw,72px)}
.hero-glow{position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(60% 50% at 78% 8%, rgba(28,143,166,.13), transparent 70%),
    radial-gradient(50% 40% at 8% 92%, rgba(191,159,102,.12), transparent 70%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center}
.hero h1{margin-top:24px}
.hero .lead{margin-top:26px;max-width:34ch}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}
.hero-trust{margin-top:34px;display:flex;flex-wrap:wrap;gap:22px;align-items:center;color:var(--muted);font-size:.82rem}
.hero-trust span{display:inline-flex;align-items:center;gap:8px}
.hero-trust .tick{color:var(--teal)}
.hero-stat{
  position:relative;background:var(--paper);border:1px solid var(--hair);border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--shadow);
}
.hero-stat .big{font-family:var(--serif);font-size:clamp(3.4rem,7vw,5.2rem);line-height:.95;color:var(--teal);letter-spacing:-.02em}
.hero-stat .big small{font-size:.4em;color:var(--brass);font-family:var(--sans);font-weight:600;vertical-align:super}
.hero-stat p{margin:.5em 0 0;color:var(--ink-soft)}
.mini-funnel{margin-top:26px;display:flex;flex-direction:column;gap:9px}
.mini-funnel .bar{height:34px;border-radius:8px;background:linear-gradient(90deg,var(--teal),var(--teal-bright));display:flex;align-items:center;padding:0 12px;color:#fff;font-size:.78rem;font-weight:600;position:relative;overflow:hidden}
.mini-funnel .bar.ghost{background:#EDE6D9;color:var(--muted)}
.mini-funnel .bar small{margin-left:auto;opacity:.85;font-weight:500}

/* ---------- engagement doors ---------- */
.doors{background:var(--ivory-2);border-block:1px solid var(--hair-2)}
.doors-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
.door{
  position:relative;background:var(--paper);border:1px solid var(--hair);border-radius:var(--r-lg);
  padding:32px 30px 28px;display:flex;flex-direction:column;min-height:330px;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s;
  overflow:hidden;
}
.door::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--teal),var(--brass));transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.door:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.door:hover::after{transform:scaleX(1)}
.door .dnum{font-family:var(--serif);font-size:.95rem;color:var(--brass)}
.door .dico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:rgba(13,74,92,.07);color:var(--teal);margin:14px 0 18px}
.door h3{margin-bottom:10px}
.door p{color:var(--ink-soft);font-size:.96rem;margin:0 0 22px}
.door .door-cta{margin-top:auto;display:inline-flex;align-items:center;gap:.5em;color:var(--teal);font-weight:600;font-size:.92rem}
.door .door-cta .arrow{transition:transform .3s var(--ease)}
.door:hover .door-cta .arrow{transform:translateX(4px)}
.door .tag{position:absolute;top:22px;right:24px;font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);border:1px solid var(--hair);border-radius:999px;padding:4px 10px}

/* ---------- the leak (before/after) ---------- */
.leak-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:8px}
.lane{border-radius:var(--r-lg);padding:32px;border:1px solid var(--hair)}
.lane.old{background:var(--paper)}
.lane.new{background:var(--night);border-color:var(--night-line);color:var(--on-night)}
.lane h3{font-size:1.25rem;display:flex;align-items:center;gap:10px;margin-bottom:6px}
.lane .lane-sub{font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.lane.new .lane-sub{color:var(--on-night-muted)}
.step{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--hair)}
.lane.new .step{border-color:var(--night-line)}
.step:first-of-type{border-top:0}
.step .dot{flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:.7rem;font-weight:700;background:#EDE6D9;color:var(--muted)}
.lane.new .step .dot{background:rgba(28,143,166,.18);color:var(--teal-bright)}
.step .t{font-weight:600;font-size:.95rem}
.step .s{font-size:.86rem;color:var(--muted)}
.lane.new .step .s{color:var(--on-night-muted)}
.step.lost .t{color:var(--hot)}
.step.win .t{color:#7FE3C0}
.lane .lane-foot{margin-top:18px;font-size:.86rem;color:var(--muted)}
.lane.new .lane-foot{color:var(--on-night-muted)}

/* ---------- lifecycle timeline ---------- */
.flow{position:relative;margin-top:48px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px 26px}
.flow::before{content:"";position:absolute;left:6px;right:6px;top:30px;height:1px;background:linear-gradient(90deg,var(--brass),var(--teal),transparent);opacity:.4}
.fstep{position:relative;background:var(--ivory-2);border:1px solid var(--hair);border-radius:var(--r);padding:22px 20px}
.fstep .n{width:42px;height:42px;border-radius:50%;background:var(--paper);border:1px solid var(--hair);display:grid;place-items:center;font-family:var(--serif);color:var(--teal);position:relative;margin-bottom:16px}
.fstep h4{font-family:var(--sans);font-weight:700;font-size:.98rem;margin-bottom:6px}
.fstep p{font-size:.86rem;color:var(--muted);margin:0}

/* ---------- video / overview ---------- */
.video-band{background:var(--night);color:var(--on-night)}
.video-band .eyebrow{color:var(--brass-soft)}
.video-band .eyebrow::before,.video-band .eyebrow.center::after{background:var(--brass)}
.video-band .lead{color:var(--on-night-muted)}
.player{
  position:relative;margin-top:48px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--night-line);
  aspect-ratio:16/9;background:
    radial-gradient(70% 90% at 30% 20%, #114250, #0A2730 75%);
  display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow);
}
.player .poster-label{position:absolute;left:26px;bottom:24px;text-align:left}
.player .poster-label .k{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--brass-soft)}
.player .poster-label .v{font-family:var(--serif);font-size:1.5rem;color:#fff;margin-top:4px}
.player .runtime{position:absolute;right:26px;bottom:24px;font-size:.8rem;color:var(--on-night-muted)}
.play-btn{width:84px;height:84px;border-radius:50%;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.3);display:grid;place-items:center;backdrop-filter:blur(6px);transition:transform .4s var(--ease),background .3s}
.player:hover .play-btn{transform:scale(1.08);background:var(--brass)}
.play-btn svg{margin-left:5px}
.player:hover .play-btn svg path{fill:var(--night)}

/* modal */
.modal{position:fixed;inset:0;z-index:90;display:none;place-items:center;padding:24px;background:rgba(8,24,29,.7);backdrop-filter:blur(6px)}
.modal.open{display:grid}
.modal-card{width:min(880px,100%);aspect-ratio:16/9;background:#06181D;border:1px solid var(--night-line);border-radius:var(--r);display:grid;place-items:center;text-align:center;color:var(--on-night-muted);position:relative}
.modal-card .ph{font-family:var(--serif);font-size:1.6rem;color:#fff}
.modal-close{position:absolute;top:-46px;right:0;color:#fff;background:transparent;border:0;font-size:1.6rem}

/* ---------- trust / badges ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
.badge{background:var(--paper);border:1px solid var(--hair);border-radius:var(--r);padding:28px}
.badge .bico{width:46px;height:46px;border-radius:12px;background:rgba(13,74,92,.07);color:var(--teal);display:grid;place-items:center;margin-bottom:16px}
.badge h4{font-family:var(--sans);font-weight:700;font-size:1.02rem;margin-bottom:7px}
.badge p{font-size:.9rem;color:var(--muted);margin:0}

/* ---------- founder ---------- */
.founder{background:var(--ivory-2);border-block:1px solid var(--hair-2)}
.founder-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center}
.founder-portrait{aspect-ratio:4/5;border-radius:var(--r-lg);border:1px solid var(--hair);background:
  linear-gradient(160deg,#10414F,#0A2730);display:grid;place-items:center;color:var(--on-night-muted);position:relative;overflow:hidden;box-shadow:var(--shadow-soft)}
.founder-portrait .ph{font-family:var(--serif);font-style:italic;font-size:1.1rem}
.founder blockquote{font-family:var(--serif);font-size:clamp(1.4rem,2.6vw,2rem);line-height:1.32;margin:18px 0 24px;color:var(--ink)}
.founder .sig{font-weight:700}
.founder .role{color:var(--muted);font-size:.92rem}
.creds{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.creds span{font-size:.78rem;border:1px solid var(--hair);border-radius:999px;padding:6px 13px;color:var(--ink-soft);background:var(--paper)}

/* ---------- pricing / ROI ---------- */
.price-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:48px}
.price-card{background:var(--paper);border:1px solid var(--hair);border-radius:var(--r-lg);padding:38px}
.price-card.feature{background:var(--night);color:var(--on-night);border-color:var(--night-line)}
.price-card .pk{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.price-card.feature .pk{color:var(--brass-soft)}
.price-card .amt{font-family:var(--serif);font-size:clamp(2.4rem,5vw,3.4rem);color:var(--teal);margin:8px 0 2px}
.price-card.feature .amt{color:#fff}
.price-card .per{color:var(--muted);font-size:.95rem}
.price-card.feature .per{color:var(--on-night-muted)}
.price-list{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px}
.price-list li{display:flex;gap:11px;font-size:.94rem;color:var(--ink-soft)}
.price-card.feature .price-list li{color:var(--on-night)}
.price-list li .ck{color:var(--teal-bright);flex:0 0 auto;margin-top:.15em}
.roi-note{margin-top:30px;padding:22px 24px;border-radius:var(--r);background:rgba(191,159,102,.12);border:1px solid var(--brass-soft);font-size:.96rem}
.roi-note b{color:var(--teal)}

/* ---------- final CTA ---------- */
.cta-band{background:linear-gradient(150deg,var(--teal-deep),var(--night));color:#fff;text-align:center}
.cta-band h2{font-size:clamp(2.1rem,4.5vw,3.4rem);max-width:18ch;margin-inline:auto}
.cta-band .lead{color:rgba(255,255,255,.78);margin:20px auto 32px;max-width:46ch}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- footer ---------- */
.foot{background:var(--ivory-2);border-top:1px solid var(--hair);padding-block:54px 36px}
.foot-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.foot p{color:var(--muted);font-size:.88rem;max-width:30ch;margin:14px 0 0}
.foot-links{display:flex;gap:60px;flex-wrap:wrap}
.foot-col h5{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0 0 14px}
.foot-col a{display:block;color:var(--ink-soft);font-size:.92rem;padding:5px 0;transition:color .2s}
.foot-col a:hover{color:var(--teal)}
.foot-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--hair);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:.82rem}
.mock-flag{background:var(--brass);color:var(--night);font-weight:600;border-radius:999px;padding:4px 12px;font-size:.74rem;letter-spacing:.03em}

/* ============================================================
   DEMO + TALK shared chat UI
   ============================================================ */
.subnav-back{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:.9rem}
.subnav-back:hover{color:var(--teal)}
.page-intro{padding-top:48px;padding-bottom:8px;text-align:center}
.page-intro h1{font-size:clamp(2rem,4vw,3rem);margin-top:16px}
.page-intro .lead{margin:18px auto 0;max-width:52ch}

/* device frame */
.stage{padding-bottom:clamp(72px,10vw,120px)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:40px}
.panel{border-radius:var(--r-lg);border:1px solid var(--hair);overflow:hidden;background:var(--paper);box-shadow:var(--shadow-soft);min-height:560px;display:flex;flex-direction:column}
.panel-tab{display:flex;align-items:center;gap:9px;padding:13px 18px;border-bottom:1px solid var(--hair);font-size:.8rem;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.panel-tab .pill{width:9px;height:9px;border-radius:50%;background:var(--brass)}
.panel-patient .panel-tab .pill{background:var(--teal-bright)}
.panel-body{padding:22px;overflow:auto;flex:1}

/* clinic dark panel */
.panel-clinic{background:var(--night);border-color:var(--night-line);color:var(--on-night)}
.panel-clinic .panel-tab{border-color:var(--night-line);color:var(--on-night-muted)}
.rec{border:1px solid var(--night-line);border-radius:var(--r);padding:18px;background:var(--night-2)}
.rec h4{font-family:var(--sans);font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--on-night-muted);font-weight:600;margin-bottom:14px;display:flex;justify-content:space-between;align-items:center}
.score{font-size:.7rem;border-radius:999px;padding:3px 9px;letter-spacing:.06em;text-transform:uppercase}
.score.warm{background:rgba(201,154,58,.2);color:#E6C272}
.score.hot{background:rgba(199,106,87,.22);color:#E6A18F}
.field{display:flex;justify-content:space-between;gap:14px;padding:8px 0;border-top:1px solid var(--night-line);font-size:.9rem}
.field:first-of-type{border-top:0}
.field .fk{color:var(--on-night-muted)}
.field .fv{text-align:right;color:var(--on-night)}
.field.flash{animation:flash 1.1s var(--ease)}
@keyframes flash{0%{background:rgba(28,143,166,.22)}100%{background:transparent}}
.feed{margin-top:18px;display:grid;gap:10px}
.feed .ev{display:flex;gap:10px;font-size:.84rem;color:var(--on-night-muted);opacity:0;transform:translateX(-8px);animation:slidein .5s var(--ease) forwards}
@keyframes slidein{to{opacity:1;transform:none}}
.feed .ev .ico{flex:0 0 auto;width:22px;height:22px;border-radius:6px;display:grid;place-items:center;background:rgba(28,143,166,.16);color:var(--teal-bright);font-size:.7rem}
.feed .ev.alert .ico{background:rgba(199,106,87,.2);color:#E6A18F}
.feed .ev.go .ico{background:rgba(46,158,120,.2);color:#7FE3C0}
.card-mini{margin-top:16px;border:1px solid var(--night-line);border-radius:var(--r);padding:16px;background:linear-gradient(160deg,#0F3A46,#0A2730)}
.card-mini .ck{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--on-night-muted)}
.card-mini .cv{font-family:var(--serif);font-size:1.5rem;color:#fff;margin-top:4px}

/* patient side / website mock */
.clinic-hero{background:linear-gradient(150deg,#13404D,#0C2A33);border-radius:var(--r);padding:26px;color:#fff;margin-bottom:18px}
.clinic-hero .cn{font-family:var(--serif);font-size:1.5rem}
.clinic-hero .ct{color:rgba(255,255,255,.7);font-size:.88rem;margin-top:4px}
.form-row{display:grid;gap:8px;margin-bottom:12px}
.form-row label{font-size:.78rem;color:var(--muted);font-weight:600;letter-spacing:.04em}
.form-row input,.form-row textarea{font-family:inherit;font-size:.95rem;padding:11px 13px;border:1px solid var(--hair);border-radius:10px;background:var(--ivory-2);color:var(--ink)}
.form-row textarea{resize:none;min-height:74px}

/* email card */
.email{border:1px solid var(--hair);border-radius:var(--r);overflow:hidden;margin-bottom:18px;opacity:0;transform:translateY(10px);transition:.6s var(--ease)}
.email.show{opacity:1;transform:none}
.email .ehead{background:var(--ivory-2);padding:13px 16px;border-bottom:1px solid var(--hair);font-size:.82rem}
.email .ehead .from{font-weight:700}
.email .ehead .meta{color:var(--muted);display:flex;justify-content:space-between;margin-top:3px}
.email .ebody{padding:16px;font-size:.9rem;color:var(--ink-soft)}
.email .ebody .badge-1min{display:inline-block;background:rgba(46,158,120,.12);color:var(--go);font-size:.72rem;font-weight:600;border-radius:999px;padding:3px 10px;margin-bottom:10px}

/* chat */
.chat{display:flex;flex-direction:column;gap:12px}
.msg{max-width:82%;padding:11px 15px;border-radius:16px;font-size:.93rem;line-height:1.5;opacity:0;transform:translateY(8px);animation:msgin .45s var(--ease) forwards}
@keyframes msgin{to{opacity:1;transform:none}}
.msg.ai{background:var(--ivory-2);border:1px solid var(--hair);border-bottom-left-radius:5px;align-self:flex-start}
.msg.user{background:var(--teal);color:#fff;border-bottom-right-radius:5px;align-self:flex-end}
.chat-head{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.chat-head .av{width:40px;height:40px;border-radius:50%;background:linear-gradient(150deg,var(--teal),var(--teal-bright));display:grid;place-items:center;color:#fff;font-family:var(--serif);font-size:1.1rem}
.chat-head .nm{font-weight:700;font-size:.96rem}
.chat-head .st{font-size:.78rem;color:var(--go);display:flex;align-items:center;gap:6px}
.chat-head .st::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--go);box-shadow:0 0 0 0 rgba(46,158,120,.5);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(46,158,120,.5)}70%{box-shadow:0 0 0 7px rgba(46,158,120,0)}100%{box-shadow:0 0 0 0 rgba(46,158,120,0)}}
.typing{align-self:flex-start;display:inline-flex;gap:4px;padding:13px 15px;background:var(--ivory-2);border:1px solid var(--hair);border-radius:16px;border-bottom-left-radius:5px}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.3}30%{opacity:1}}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{font-size:.85rem;border:1px solid var(--hair);background:var(--paper);border-radius:999px;padding:8px 14px;color:var(--teal);transition:.2s}
.chip:hover{background:var(--teal);color:#fff;border-color:var(--teal)}
.composer{display:flex;gap:10px;margin-top:16px;padding-top:16px;border-top:1px solid var(--hair)}
.composer input{flex:1;font-family:inherit;font-size:.95rem;padding:12px 15px;border:1px solid var(--hair);border-radius:999px;background:var(--ivory-2)}
.composer button{width:46px;height:46px;border-radius:50%;border:0;background:var(--teal);color:#fff;font-size:1.1rem;flex:0 0 auto}

/* booking + whatsapp (talk page) */
.booking{border:1px solid var(--hair);border-radius:var(--r);padding:20px;background:var(--ivory-2);margin-top:6px;opacity:0;transform:translateY(8px);animation:msgin .5s var(--ease) forwards}
.booking .bk{font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brass)}
.booking .bd{font-family:var(--serif);font-size:1.3rem;color:var(--teal);margin:6px 0 4px}
.wa{background:#0B141A;border-radius:var(--r-lg);overflow:hidden;border:1px solid #1F2C33;max-width:420px;margin:24px auto 0}
.wa .wahead{background:#1F2C33;color:#fff;padding:13px 16px;display:flex;align-items:center;gap:11px}
.wa .wahead .av{width:38px;height:38px;border-radius:50%;background:#128C7E;display:grid;place-items:center;font-family:var(--serif)}
.wa .wahead .nm{font-weight:600;font-size:.95rem}
.wa .wahead .pr{font-size:.74rem;color:#8FA3AD}
.wa .wabody{padding:18px;background:
  linear-gradient(rgba(11,20,26,.92),rgba(11,20,26,.92)),
  repeating-linear-gradient(45deg,#13202700 0 14px,#162831 14px 15px);
  display:flex;flex-direction:column;gap:10px;min-height:240px}
.wamsg{max-width:80%;padding:9px 13px;border-radius:10px;font-size:.9rem;color:#E9EDEF}
.wamsg.in{background:#1F2C33;align-self:flex-start;border-top-left-radius:3px}
.wamsg.out{background:#075E54;align-self:flex-end;border-top-right-radius:3px}
.wamsg .tm{display:block;font-size:.66rem;color:rgba(255,255,255,.5);text-align:right;margin-top:3px}

/* play controls */
.demo-controls{display:flex;justify-content:center;gap:14px;margin-top:38px;flex-wrap:wrap}
.replay{display:inline-flex;align-items:center;gap:8px;font-size:.9rem;color:var(--muted);background:transparent;border:1px solid var(--hair);border-radius:999px;padding:.7em 1.3em}
.replay:hover{border-color:var(--teal);color:var(--teal)}

/* ============================================================
   responsive
   ============================================================ */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-stat{order:-1}
  .doors-grid,.trust-grid{grid-template-columns:1fr}
  .leak-grid,.price-grid,.founder-grid,.split{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr 1fr}
  .flow::before{display:none}
  .founder-portrait{max-width:340px}
}
@media (max-width:680px){
  body{font-size:16px}
  .nav-links{display:none}
  .hamburger{display:flex}
  .nav-cta .btn-ghost,.nav-cta .btn-primary{display:none}
  .flow{grid-template-columns:1fr}
  .foot-links{gap:36px}
  .panel{min-height:auto}
  .mini-funnel .bar{width:100%!important}
}

/* mobile menu */
.mobile-menu{position:fixed;inset:0;z-index:60;background:var(--ivory);transform:translateY(-100%);transition:transform .4s var(--ease);display:flex;flex-direction:column;padding:84px var(--gutter) 40px}
.mobile-menu.open{transform:none}
.mobile-menu a{font-family:var(--serif);font-size:1.7rem;padding:14px 0;border-bottom:1px solid var(--hair)}
.mobile-menu .btn{margin-top:24px;justify-content:center}
.mm-close{position:absolute;top:22px;right:var(--gutter);width:42px;height:42px;border:1px solid var(--hair);border-radius:10px;background:transparent;font-size:1.4rem}

/* ============================================================
   PALETTE VARIANTS — flip via the floating theme dock
   Pearl (default) · Atelier · Onyx · Maison
   ============================================================ */

/* make the brand mark inherit theme colors */
.brand .mark > path:nth-of-type(1){stroke:var(--teal)}
.brand .mark > path:nth-of-type(2){stroke:var(--brass)}
.brand .mark > circle{fill:var(--teal-bright)}

/* ATELIER — warm cream canvas, espresso ink, copper accent */
[data-theme="atelier"]{
  --ivory:#ECE3D2;--ivory-2:#F4ECDB;--paper:#FBF5E6;
  --ink:#2A2520;--ink-soft:#4A4239;--muted:#877863;
  --hair:#DCCDB1;--hair-2:#E5D9C1;
  --teal:#2A2520;--teal-deep:#1B1612;--teal-bright:#A87852;
  --brass:#B07A50;--brass-soft:#C99770;
  --night:#1F1812;--night-2:#2A2017;--night-line:#3F3225;
  --on-night:#ECE3D2;--on-night-muted:#998668;
}
/* ONYX — alabaster + true onyx + bronze (ultra-minimal monochrome luxe) */
[data-theme="onyx"]{
  --ivory:#EFECE5;--ivory-2:#F5F3EE;--paper:#FFFFFF;
  --ink:#0F0F0F;--ink-soft:#2A2A28;--muted:#8C8A82;
  --hair:#D9D5CB;--hair-2:#E0DCD2;
  --teal:#131313;--teal-deep:#000000;--teal-bright:#BD7E3A;
  --brass:#A8763F;--brass-soft:#C99565;
  --night:#0A0A0A;--night-2:#131313;--night-line:#2E2A24;
  --on-night:#EFECE5;--on-night-muted:#8A8478;
}
/* MAISON — cream canvas, deep aubergine, brass (clinical-couture) */
[data-theme="maison"]{
  --ivory:#F0E7D3;--ivory-2:#F6EFDD;--paper:#FCF6E5;
  --ink:#2A1B22;--ink-soft:#4B3540;--muted:#8B7A7E;
  --hair:#DDD0B5;--hair-2:#E5DCC0;
  --teal:#4D2C3E;--teal-deep:#321A28;--teal-bright:#7C4A60;
  --brass:#B89A57;--brass-soft:#D2BC7C;
  --night:#2A1B22;--night-2:#3A2630;--night-line:#4C3540;
  --on-night:#F0E7D3;--on-night-muted:#B49AA6;
}

/* ============================================================
   theme switcher dock
   ============================================================ */
.theme-dock{
  position:fixed;bottom:20px;right:20px;z-index:80;
  display:flex;align-items:center;gap:12px;padding:8px 16px 8px 18px;
  background:rgba(255,255,255,.88);backdrop-filter:saturate(160%) blur(14px);
  border:1px solid var(--hair);border-radius:999px;
  box-shadow:0 14px 38px -18px rgba(10,40,49,.3);
  transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.theme-dock-label{
  font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);font-weight:700;
}
.theme-dock-swatches{display:flex;gap:8px}
.theme-dock .swatch{
  width:30px;height:30px;border-radius:50%;border:0;background:transparent;
  padding:0;display:grid;place-items:center;cursor:pointer;position:relative;
}
.theme-dock .swatch .sw{
  width:22px;height:22px;border-radius:50%;border:1px solid rgba(0,0,0,.12);
  transition:transform .25s var(--ease);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.5);
}
.theme-dock .swatch:hover .sw{transform:scale(1.12)}
.theme-dock .swatch.active::after{
  content:"";position:absolute;inset:-2px;border:1.5px solid var(--ink);
  border-radius:50%;
}
.theme-dock .swatch[data-label]::before{
  content:attr(data-label);position:absolute;bottom:calc(100% + 8px);left:50%;
  transform:translateX(-50%) translateY(4px);
  background:var(--ink);color:#fff;font-size:.7rem;font-weight:600;
  padding:5px 10px;border-radius:8px;white-space:nowrap;
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s var(--ease);
  letter-spacing:.04em;
}
.theme-dock .swatch:hover::before,.theme-dock .swatch:focus::before{
  opacity:1;transform:translateX(-50%) translateY(0);
}
@media (max-width:600px){
  .theme-dock{bottom:14px;right:14px;padding:6px 12px;gap:8px}
  .theme-dock-label{display:none}
  .theme-dock .swatch{width:26px;height:26px}
  .theme-dock .swatch .sw{width:20px;height:20px}
}