/* ================================================
   CONVO — Design System
   Navy / Off-White / Champagne Gold
   ================================================ */

:root{
  /* Brand */
  --navy:        #0A2540;
  --navy-deep:   #071A2E;
  --navy-soft:   #163656;
  --ink:         #10233A;
  --ink-soft:    #5B6B7C;
  --ink-faint:   #8C99A8;

  /* Canvas (off-white, never stark white) */
  --canvas:      #FAF6EF;
  --panel:       #F2EBDC;
  --panel-deep:  #EAE0C9;
  --line:        #E3D9C4;

  /* Accent */
  --gold:        #C79A45;
  --gold-deep:   #9C7530;
  --gold-tint:   #F5E9D2;
  --gold-glow:   #E8C77E;

  /* Support */
  --emerald:     #2F7A5C;
  --rose:        #B85C56;
  --white:       #FFFDF9;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --shadow-soft: 0 20px 45px -28px rgba(10,37,64,.35);
  --shadow-deep: 0 30px 60px -25px rgba(7,26,46,.45);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--canvas);
  color:var(--ink);
  font-family:'Inter', sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
h1,h2,h3,h4{
  font-family:'Fraunces', serif;
  color:var(--navy);
  margin:0 0 14px;
  letter-spacing:-0.01em;
  line-height:1.12;
}
h1{font-size:clamp(38px,5.4vw,64px); font-weight:600;}
h2{font-size:clamp(28px,3.4vw,40px); font-weight:600;}
h3{font-size:19px; font-weight:600;}
p{margin:0 0 12px;}
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--gold-deep);
  margin-bottom:14px;
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{
  content:"";
  width:22px; height:2px;
  background:var(--gold);
  display:inline-block;
}
:focus-visible{outline:2.5px solid var(--gold-deep); outline-offset:3px;}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important; transition:none !important;}
}

.wrap{max-width:1140px; margin:0 auto; padding:0 28px;}
section{padding:84px 0;}
.section-head{max-width:640px; margin:0 auto 46px;}
.section-head.center{text-align:center; margin-left:auto; margin-right:auto;}
.sub{font-size:17px; color:var(--ink-soft); max-width:560px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:'Inter', sans-serif; font-weight:600; font-size:14.5px;
  padding:13px 24px; border-radius:100px; cursor:pointer;
  border:1.5px solid transparent; transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1.5px);}
.btn-cta{background:var(--gold); color:var(--navy-deep); box-shadow:0 14px 30px -14px rgba(199,154,69,.6);}
.btn-cta:hover{background:var(--gold-glow);}
.btn-primary{background:var(--navy); color:var(--white);}
.btn-primary:hover{background:var(--navy-soft);}
.btn-outline{border-color:var(--navy); color:var(--navy); background:transparent;}
.btn-outline:hover{background:var(--navy); color:var(--white);}
.btn-outline-light{border-color:rgba(255,255,255,.4); color:var(--white); background:transparent;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);}
.btn-sm{padding:9px 18px; font-size:13px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45; cursor:not-allowed; transform:none;}

/* ---------- Nav ---------- */
.site-nav{
  position:sticky; top:0; z-index:100;
  background:rgba(250,246,239,.86); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1140px; margin:0 auto; padding:16px 28px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.logo{display:flex; align-items:center; gap:10px; font-family:'Fraunces',serif; font-weight:600; font-size:21px; color:var(--navy);}
.logo .mark{flex-shrink:0;}
.logo span.dot{color:var(--gold-deep);}
.nav-links{display:flex; gap:30px; font-size:14.5px; font-weight:500; color:var(--ink);}
.nav-links a{position:relative; padding:4px 0;}
.nav-links a::after{
  content:""; position:absolute; left:0; bottom:-2px; width:0; height:2px; background:var(--gold);
  transition:width .2s ease;
}
.nav-links a:hover::after{width:100%;}
.nav-right{display:flex; align-items:center; gap:14px;}
.nav-toggle{
  display:none; width:38px; height:38px; border-radius:9px; border:1.5px solid var(--line);
  background:var(--white); cursor:pointer; align-items:center; justify-content:center; flex-shrink:0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width:16px; height:2px; background:var(--navy); position:relative; transition:.2s ease;
}
.nav-toggle span::before{position:absolute; top:-5px;}
.nav-toggle span::after{position:absolute; top:5px;}
.mobile-menu{
  display:none; flex-direction:column; gap:2px; background:var(--canvas); border-bottom:1px solid var(--line);
  padding:6px 28px 16px;
}
.mobile-menu.open{display:flex;}
.mobile-menu a{padding:11px 0; font-size:15px; font-weight:500; border-bottom:1px solid var(--line);}
.mobile-menu a:last-child{border-bottom:none;}

/* swatch strip - signature device */
.swatch-strip{display:flex; gap:6px; align-items:center;}
.swatch-strip .chip{width:9px; height:9px; border-radius:50%;}
.swatch-strip .chip:nth-child(1){background:#C79A45;}
.swatch-strip .chip:nth-child(2){background:#B85C56;}
.swatch-strip .chip:nth-child(3){background:#2F7A5C;}
.swatch-strip .chip:nth-child(4){background:#0A2540;}

/* ---------- Hero ---------- */
.hero{
  background:var(--navy);
  color:var(--white);
  position:relative;
  overflow:hidden;
  padding:96px 0 110px;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(600px 400px at 85% 10%, rgba(199,154,69,.22), transparent 65%),
    radial-gradient(500px 380px at 5% 90%, rgba(199,154,69,.10), transparent 60%);
  pointer-events:none;
}
.hero-inner{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center;
}
.hero h1{color:var(--white);}
.hero h1 em{
  font-style:normal; color:var(--gold-glow);
}
.hero .sub{color:#C9D5E0; font-size:18px;}
.hero-cta-row{display:flex; gap:14px; margin-top:30px; flex-wrap:wrap;}
.hero-note{font-family:'IBM Plex Mono',monospace; font-size:12px; color:#7F93A8; margin-top:18px; letter-spacing:.03em;}

/* mirror mock */
.mirror-mock{
  background:var(--navy-soft);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);
  padding:22px;
  box-shadow:var(--shadow-deep);
}
.mirror-mock-head{display:flex; justify-content:space-between; align-items:center; margin-bottom:16px;}
.mirror-mock-title{font-family:'Fraunces',serif; font-size:16px; color:var(--white);}
.mirror-mock-dot{width:8px; height:8px; border-radius:50%; background:var(--emerald); display:inline-block; margin-right:6px;}
.mirror-mock-status{font-family:'IBM Plex Mono',monospace; font-size:11px; color:#9FB4C6;}
.mirror-mock-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:10px; margin-bottom:16px;}
.mirror-swatch{aspect-ratio:1; border-radius:12px; position:relative; overflow:hidden;}
.mirror-swatch img{width:100%; height:100%; object-fit:cover;}
.mirror-swatch .tag{
  position:absolute; bottom:6px; left:6px; right:6px;
  font-family:'IBM Plex Mono',monospace; font-size:9px; color:#fff;
  background:rgba(7,26,46,.55); border-radius:5px; padding:3px 5px; text-align:center;
}
.mirror-chat-bubble{
  background:#16374F; border-radius:0 14px 14px 14px; padding:14px 16px;
  font-size:13.5px; color:#DCE7F0; margin-top:4px;
}
.mirror-chat-bubble b{color:var(--gold-glow);}

/* ---------- Cards / Grids ---------- */
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:22px;}
.card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-md);
  padding:28px 24px; transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px); box-shadow:var(--shadow-soft);}
.card .icon-mark{
  width:42px; height:42px; border-radius:12px; margin-bottom:16px;
  display:flex; align-items:center; justify-content:center;
  background:var(--gold-tint); color:var(--gold-deep); font-size:19px;
}
.card p{color:var(--ink-soft); font-size:14.5px; margin-bottom:0;}

/* engine cards on products/index */
.engine-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:32px; position:relative; overflow:hidden;
}
.engine-card .engine-index{
  font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--gold-deep); letter-spacing:.08em;
}
.engine-card h3{font-size:23px; margin-top:8px;}
.engine-card p{color:var(--ink-soft); font-size:14.5px;}
.engine-card .tag-row{display:flex; gap:8px; flex-wrap:wrap; margin-top:16px;}
.tag-pill{
  font-family:'IBM Plex Mono',monospace; font-size:10.5px; padding:5px 11px; border-radius:100px;
  background:var(--panel); color:var(--ink-soft); border:1px solid var(--line);
}

/* ---------- Dark section block ---------- */
.block-navy{background:var(--navy); color:var(--white);}
.block-navy h2{color:var(--white);}
.block-navy .sub{color:#C9D5E0;}
.block-navy .card{background:var(--navy-soft); border-color:rgba(255,255,255,.1);}
.block-navy .card p{color:#C0CEDA;}
.block-navy .card h3{color:var(--white);}

.block-panel{background:var(--panel);}

/* ---------- Numbered steps ---------- */
.step-row{display:flex; gap:22px; margin-bottom:34px; align-items:flex-start;}
.step-num{
  font-family:'Fraunces',serif; font-size:15px; font-weight:600; color:var(--gold-deep);
  border:1.5px solid var(--gold); border-radius:50%; width:38px; height:38px;
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.step-row h3{margin-bottom:6px;}
.step-row p{color:var(--ink-soft); margin-bottom:0;}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{padding:64px 0 20px; max-width:720px;}
.page-hero .sub{font-size:17.5px;}

/* ---------- Demo panel (products page) ---------- */
.demo-panel{
  background:var(--navy); border-radius:var(--radius-lg); padding:26px;
  color:var(--white); max-width:460px; margin:0 auto; box-shadow:var(--shadow-deep);
}
.demo-head{display:flex; justify-content:space-between; align-items:center; margin-bottom:10px;}
.demo-title{font-family:'Fraunces',serif; font-size:17px; font-weight:600;}
.trial-badge{font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--gold-glow);}
.demo-tabs{display:flex; gap:8px; margin-bottom:14px;}
.demo-tab{
  flex:1; text-align:center; padding:9px 6px; border-radius:9px; font-size:12.5px; font-weight:600;
  background:var(--navy-soft); color:#9FB4C6; cursor:pointer; border:1px solid transparent;
}
.demo-tab.active{background:rgba(199,154,69,.16); color:var(--gold-glow); border-color:var(--gold);}
.demo-body{background:var(--navy-soft); border-radius:14px; padding:18px; min-height:250px;}
.demo-bot-msg{background:#1D4560; padding:12px 14px; border-radius:0 10px 10px 10px; font-size:13.5px; margin-bottom:14px; line-height:1.5;}
.demo-chip-grid{display:flex; flex-direction:column; gap:8px;}
.demo-chip{background:transparent; border:1.5px solid #2E5975; color:#fff; padding:11px 14px; border-radius:10px; font-size:13px; text-align:left; cursor:pointer; font-family:'Inter',sans-serif; width:100%;}
.demo-chip:hover{border-color:var(--gold); background:#1D4560;}
.demo-product-card{display:flex; gap:12px; align-items:center; background:#1D4560; border-radius:12px; padding:12px; margin-bottom:12px;}
.demo-product-thumb{width:44px; height:44px; border-radius:9px; background:linear-gradient(135deg,var(--gold),var(--gold-deep)); flex-shrink:0;}
.demo-product-name{font-size:13.5px; font-weight:600;}
.demo-product-match{font-size:11.5px; color:#8FD4B0;}
.start-screen{text-align:center; padding:26px 6px;}
.start-screen p{color:#AFC6D1;}
.demo-swatch-mini{display:grid; grid-template-columns:repeat(4,1fr); gap:8px; margin-bottom:14px;}
.demo-swatch-mini div{aspect-ratio:1; border-radius:8px;}

/* ---------- Pricing ---------- */
.price-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:32px 26px; display:flex; flex-direction:column;
}
.price-card.featured{border:2px solid var(--gold); position:relative; box-shadow:var(--shadow-soft);}
.featured-tag{
  position:absolute; top:-13px; left:50%; transform:translateX(-50%);
  background:var(--gold); color:var(--navy-deep); font-size:11px; font-weight:700;
  padding:5px 16px; border-radius:20px; font-family:'IBM Plex Mono',monospace; letter-spacing:.05em;
}
.tier-name{font-size:13px; font-weight:600; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.05em; margin-bottom:12px;}
.tier-model{font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--gold-deep); margin-bottom:6px;}
.tier-price{font-family:'Fraunces',serif; font-size:32px; font-weight:600; margin-bottom:2px; color:var(--navy);}
.tier-price span{font-size:13px; font-weight:500; color:var(--ink-soft); font-family:'Inter',sans-serif;}
.tier-price-sub{font-size:12.5px; color:var(--ink-soft); margin-bottom:18px;}
.tier-desc{font-size:13.5px; color:var(--ink-soft); margin-bottom:20px;}
.tier-features{list-style:none; margin:0 0 26px; padding:0; flex:1;}
.tier-features li{font-size:13.5px; padding:10px 0; border-bottom:1px solid var(--line); display:flex; gap:9px; align-items:flex-start;}
.tier-features li:last-child{border-bottom:none;}
.check{color:var(--emerald); font-weight:700; flex-shrink:0;}

/* ---------- FAQ ---------- */
.faq-item{padding:20px 0; border-bottom:1px solid var(--line);}
.faq-item h4{font-size:15.5px; margin-bottom:6px; font-family:'Inter',sans-serif; font-weight:600; color:var(--navy);}
.faq-item p{font-size:14px; color:var(--ink-soft); margin-bottom:0;}

/* ---------- Final CTA band ---------- */
.final-cta{
  background:var(--navy); color:var(--white); border-radius:var(--radius-lg);
  padding:56px 40px; text-align:center; margin:20px 0 0;
  position:relative; overflow:hidden;
}
.final-cta::before{
  content:""; position:absolute; inset:0;
  background:radial-gradient(500px 300px at 50% 0%, rgba(199,154,69,.2), transparent 70%);
}
.final-cta > *{position:relative; z-index:1;}
.final-cta h2{color:var(--white); margin-bottom:8px;}
.final-cta p{color:#C9D5E0; margin-bottom:24px;}

/* ---------- Comparison table ---------- */
.compare-table{width:100%; border-collapse:collapse; font-size:14px;}
.compare-table th,.compare-table td{padding:14px 16px; border-bottom:1px solid var(--line); text-align:left;}
.compare-table th{font-family:'IBM Plex Mono',monospace; font-size:11px; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-soft);}
.compare-table td.yes{color:var(--emerald); font-weight:700;}
.compare-table td.no{color:var(--ink-faint);}
.compare-table tr td:first-child{font-weight:600; color:var(--navy);}
.compare-table .col-highlight{background:var(--gold-tint);}

/* ---------- Timeline (about) ---------- */
.timeline-item{display:flex; gap:20px; padding-bottom:30px; border-left:2px solid var(--line); margin-left:8px; padding-left:26px; position:relative;}
.timeline-item::before{content:""; position:absolute; left:-7px; top:2px; width:12px; height:12px; border-radius:50%; background:var(--gold); border:2px solid var(--canvas);}
.timeline-item:last-child{border-left:2px solid transparent; padding-bottom:0;}
.timeline-tag{font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--gold-deep); margin-bottom:4px;}

/* ---------- Coming soon strip ---------- */
.honest-note{
  background:var(--panel); border:1px dashed var(--line); border-radius:var(--radius-md);
  padding:22px 24px; font-size:13.5px; color:var(--ink-soft); text-align:center;
}

/* ---------- Contact ---------- */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:start;}
.form-field{margin-bottom:18px;}
.form-field label{display:block; font-size:13px; font-weight:600; margin-bottom:7px; color:var(--navy);}
.form-field input, .form-field select, .form-field textarea{
  width:100%; padding:12px 14px; border-radius:10px; border:1.5px solid var(--line);
  background:var(--white); font-family:'Inter',sans-serif; font-size:14px; color:var(--ink);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline:none; border-color:var(--gold);
}
.contact-info-card{background:var(--navy); color:var(--white); border-radius:var(--radius-lg); padding:30px;}
.contact-info-card h3{color:var(--white);}
.contact-info-card p{color:#C9D5E0;}
.contact-info-row{display:flex; gap:12px; margin-top:18px; font-size:14px; align-items:flex-start;}
.contact-info-row .lbl{color:#8FA5B9; font-family:'IBM Plex Mono',monospace; font-size:11px; min-width:74px; padding-top:2px;}

/* ---------- Footer ---------- */
footer{background:var(--navy-deep); color:#B9C7D4; padding:64px 0 26px; margin-top:80px;}
.footer-inner{max-width:1140px; margin:0 auto; padding:0 28px; display:flex; gap:60px; flex-wrap:wrap; justify-content:space-between;}
.footer-col h4{font-family:'IBM Plex Mono',monospace; font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; color:#7F93A8; margin-bottom:14px; font-weight:500;}
.footer-col a{display:block; font-size:14px; margin-bottom:10px; color:#C9D5E0;}
.footer-col a:hover{color:var(--gold-glow);}
.footer-bottom{
  max-width:1140px; margin:50px auto 0; padding:22px 28px 0; border-top:1px solid rgba(255,255,255,.08);
  font-size:12.5px; color:#7F93A8; text-align:center;
}

/* ---------- Responsive ---------- */
@media (max-width:880px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .hero-inner{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  section{padding:60px 0;}
  .hero{padding:64px 0 70px;}
}