:root{
  /* Inverted Mambo: warm off-white, soft black, red accent (pulled from logo "o" #E3201A) */
  --bg:        #f4f1ec;
  --bg-soft:   #ece8e1;
  --bg-card:   #ffffff;
  --ink:       #131311;
  --ink-2:     #2a2925;
  --ink-3:     #5a584f;
  --ink-4:     #8a8779;
  --rule:      #d9d4ca;
  --rule-2:    #c5bfb3;
  --accent:    #e3201a;     /* Mambo red */
  --accent-ink:#ffffff;
  --accent-tint:#fbece9;
}

*{box-sizing:border-box}
html{scroll-padding-top:72px}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);}
body{
  font-family:'Manrope', system-ui, sans-serif;
  font-weight:400;
  font-size:17px;
  line-height:1.55;
  letter-spacing:-0.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

/* ------------ Type system ------------ */
.display{
  font-family:'Instrument Serif', 'Times New Roman', serif;
  font-weight:400;
  letter-spacing:-0.02em;
  line-height:0.8;
}
.display em{
  font-style:italic;
  font-feature-settings:"liga","calt";
}
.eyebrow{
  font-family:'JetBrains Mono', ui-monospace, monospace;
  font-size:11px;
  font-weight:500;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--ink-3);
}
.eyebrow .dot{
  display:inline-block; width:6px; height:6px; border-radius:50%;
  background:var(--accent); margin-right:10px; transform:translateY(-1px);
  vertical-align:middle;
}

a{color:inherit; text-decoration:none}

/* ------------ Layout primitives ------------ */
.container{
  max-width:1320px;
  margin:0 auto;
  padding:0 48px;
}
@media (max-width:720px){ .container{padding:0 22px} }

section{position:relative}
.rule{height:1px;background:var(--rule);width:100%}
.rule-strong{height:1px;background:var(--ink);width:100%}

/* ------------ NAV ------------ */
.nav{
  position:sticky; top:0; z-index:50;
  backdrop-filter:saturate(120%) blur(8px);
  background:color-mix(in oklab, var(--bg) 86%, transparent);
  border-bottom:1px solid var(--rule);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:18px;
  padding-bottom:18px;
}
.nav-left{display:flex; align-items:center; gap:16px}
.nav-logo{
  font-family:'Instrument Serif', serif;
  font-size:28px; line-height:1;
  letter-spacing:-0.03em;
}
.nav-logo .dot{color:var(--accent)}
.by-mambo{
  display:inline-flex; align-items:center; gap:8px;
  padding-left:16px; margin-left:4px;
  border-left:1px solid var(--rule-2);
  color:var(--ink-3);
  font-size:12px;
  letter-spacing:0.02em;
}
.by-mambo svg{height:14px; width:auto; display:block}
.by-mambo span{font-family:'JetBrains Mono', monospace; font-size:11px; letter-spacing:0.1em; text-transform:uppercase}
.nav-right{display:flex; align-items:center; gap:28px}
.nav-link{
  font-size:14px; color:var(--ink-2);
  border-bottom:1px solid transparent; padding-bottom:2px;
  transition:border-color .18s ease, color .18s ease;
}
.nav-link:hover{color:var(--ink); border-bottom-color:var(--ink)}
.nav-cta{
  background:var(--ink); color:#fff;
  padding:10px 18px; border-radius:999px;
  font-size:14px; font-weight:500;
  display:inline-flex; align-items:center; gap:8px;
  transition:background .2s ease;
}
.nav-cta:hover{background:var(--accent)}
@media (max-width:820px){
  .nav-right .nav-link{display:none}
  .by-mambo{display:none}
}
@media (max-width:480px){
  .nav-cta{padding:9px 14px; font-size:13px}
  .nav-logo{font-size:24px}
}

/* ------------ Language switch ------------ */
.lang-switch{
  display:inline-flex; align-items:center;
  border:1px solid var(--rule-2);
  border-radius:999px;
  overflow:hidden;
  font-family:'JetBrains Mono', monospace;
  font-size:11px; letter-spacing:0.1em; text-transform:uppercase;
}
.lang-switch a{
  padding:7px 12px;
  color:var(--ink-3);
  line-height:1;
  transition:background .15s ease, color .15s ease;
}
.lang-switch a.active{
  background:var(--ink);
  color:#fff;
}
.lang-switch a:hover:not(.active){
  background:var(--bg-soft);
  color:var(--ink);
  border-bottom:none;
}
@media (max-width:560px){ .lang-switch{display:none} }

/* ------------ HERO ------------ */
.hero{
  padding:80px 0 0;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap:64px;
  align-items:end;
}
.hero-headline{
  font-size: clamp(54px, 8.4vw, 132px);
  margin:0;
  color:var(--ink);
}
.hero-headline .red{ color:var(--accent) }
.hero-headline em{ color:var(--ink-2) }
.hero-support{
  margin:32px 0 0;
  font-family:'Instrument Serif', serif;
  font-size: clamp(22px, 2.1vw, 30px);
  line-height:1.25;
  letter-spacing:-0.01em;
  color:var(--ink-2);
  max-width:34ch;
}
.hero-support em{font-style:italic}
.hero-sub{
  margin:28px 0 0;
  color:var(--ink-2);
  font-size:17px;
  line-height:1.55;
  max-width:46ch;
}
.hero-attrib{
  margin-top:28px;
  display:inline-flex; align-items:center; gap:10px;
  color:var(--ink-3);
  font-family:'JetBrains Mono', monospace;
  font-size:11px;
  letter-spacing:0.12em;
  text-transform:uppercase;
}
.hero-attrib .bar{display:inline-block; width:24px; height:1px; background:var(--ink-3)}

.hero-ctas{
  margin-top:40px;
  display:flex; flex-wrap:wrap; gap:14px; align-items:center;
}
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-size:15px; font-weight:500;
  padding:16px 26px; border-radius:999px;
  transition:transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ background:var(--ink); transform:translateY(-1px) }
.btn-primary .arr{transition:transform .25s ease}
.btn-primary:hover .arr{transform:translateX(3px)}
.btn-ghost{
  color:var(--ink); border:1px solid var(--ink);
  background:transparent;
}
.btn-ghost:hover{ background:var(--ink); color:#fff }

/* Hero visual: avatar sequence */
.hero-visual{
  position:relative;
  aspect-ratio: 5/4;
  width:100%;
}
.avatar-stage{
  position:relative; width:100%; height:100%;
  border:1px solid var(--rule);
  background:var(--bg-card);
  overflow:hidden;
  border-radius:2px;
}
.avatar-frame{
  position:absolute; inset:0;
  opacity:0; transition:opacity .9s ease;
  background-size:cover; background-position:center top;
  background-color:var(--bg-soft);
}
.avatar-frame.active{opacity:1}
/* corner crops for editorial feel */
.avatar-stage::before, .avatar-stage::after{
  content:""; position:absolute; pointer-events:none;
}

.avatar-meta{
  position:absolute; left:0; right:0; bottom:0;
  display:flex; align-items:flex-end; justify-content:space-between;
  padding:18px 20px;
  color:#fff;
  background:linear-gradient(to top, rgba(0,0,0,.55), rgba(0,0,0,0) 70%);
  font-family:'JetBrains Mono', monospace;
  font-size:11px;
  letter-spacing:0.12em;
  text-transform:uppercase;
}
.avatar-meta .role{font-size:12px}
.avatar-meta .idx{opacity:0.85}
.avatar-rec{
  position:absolute; top:14px; left:14px;
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 10px;
  background:rgba(0,0,0,0.55); color:#fff;
  backdrop-filter:blur(4px);
  font-family:'JetBrains Mono', monospace;
  font-size:10px; letter-spacing:0.18em; text-transform:uppercase;
  border-radius:2px;
}
.avatar-rec .pulse{
  width:6px; height:6px; border-radius:50%; background:var(--accent);
  animation:pulse 1.6s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{opacity:1; transform:scale(1)}
  50%{opacity:.45; transform:scale(.85)}
}

.avatar-tabs{
  position:absolute; top:14px; right:14px;
  display:flex; flex-direction:column; gap:6px;
}
.avatar-tabs button{
  background:rgba(255,255,255,.85);
  border:none; outline:none;
  padding:8px 12px;
  font-family:'JetBrains Mono', monospace;
  font-size:10px; letter-spacing:0.15em; text-transform:uppercase;
  color:var(--ink-2);
  cursor:pointer;
  border-radius:2px;
  transition:all .18s ease;
  backdrop-filter:blur(4px);
}
.avatar-tabs button.active{background:var(--ink); color:#fff}
.avatar-tabs button:hover:not(.active){background:#fff; color:var(--ink)}

.hero-caption{
  margin-top:18px;
  display:flex; gap:16px; align-items:flex-start;
  color:var(--ink-3); font-size:13.5px; line-height:1.5;
  max-width:48ch;
}
.hero-caption .num{
  font-family:'JetBrains Mono', monospace;
  color:var(--ink); font-size:11px; letter-spacing:0.12em; padding-top:2px;
}

@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr; gap:36px}
  .hero{padding-top:40px}
}

/* Hero footer scroll indicator */
.hero-foot{
  margin-top:96px; padding:22px 0;
  border-top:1px solid var(--rule);
  display:flex; justify-content:space-between; align-items:center;
  color:var(--ink-3);
  font-family:'JetBrains Mono', monospace;
  font-size:11px; letter-spacing:0.14em; text-transform:uppercase;
}
.hero-foot a{display:inline-flex; align-items:center; gap:10px; color:var(--ink-2)}
.hero-foot a:hover{color:var(--accent)}

/* ------------ Section header ------------ */
.section{padding:140px 0}
.section-head{
  margin-bottom:48px;
}
.section-head .label{
  margin-bottom:18px;
}
.section-title{
  font-size: clamp(40px, 5.4vw, 72px);
  margin:0;
}
@media (max-width:820px){
  .section{padding:80px 0}
  .section-head{margin-bottom:32px}
}

/* ------------ Problem ------------ */
.problem-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  border-top:1px solid var(--ink);
  border-bottom:1px solid var(--ink);
}
.pain{
  padding:48px 40px 48px 0;
  border-right:1px solid var(--rule);
  position:relative;
}
.pain:last-child{ border-right:none; padding-left:40px; padding-right:0 }
.pain .num{
  font-family:'JetBrains Mono', monospace;
  font-size:11px; letter-spacing:0.18em; text-transform:uppercase;
  color:var(--accent); margin-bottom:24px; display:block;
}
.pain p{
  font-family:'Instrument Serif', serif;
  font-size: clamp(22px, 2.2vw, 30px);
  line-height:1.25;
  color:var(--ink);
  margin:0;
  letter-spacing:-0.01em;
}
@media (max-width:820px){
  .problem-grid{grid-template-columns:1fr}
  .pain{padding:32px 0; border-right:none; border-bottom:1px solid var(--rule)}
  .pain:last-child{padding-left:0; border-bottom:none}
}

/* ------------ What is Ethos ------------ */
.what{
  background:var(--ink); color:#f4f1ec;
  margin-top:0; border-radius:0;
}
.what .container{padding-top:140px; padding-bottom:140px}
.what .eyebrow{color:#a09b8e}
.what .eyebrow .dot{background:var(--accent)}
.what .section-title{color:#f4f1ec}
.what-body{
  display:grid; grid-template-columns:1fr 1fr; gap:64px;
  margin-top:24px;
}
.what-body p{
  font-size:18px; line-height:1.6; color:#cdc8bd;
  margin:0;
}
.what-body .pull{
  font-family:'Instrument Serif', serif;
  font-size: clamp(24px, 2.4vw, 32px);
  color:#fff;
  line-height:1.3;
  letter-spacing:-0.005em;
}
.what-body .pull em{font-style:italic; color:#fff}
@media (max-width:820px){
  .what-body{grid-template-columns:1fr; gap:24px}
  .what .container{padding-top:80px; padding-bottom:80px}
}

/* ------------ Avatar strip ------------ */
/*
  Card width  : 280px
  Gap         : 16px
  Cards / set : 8
  Translate   : (280 + 16) * 8 = 2368px  ← exact one-set width, seamless loop
*/
.avatar-strip{
  width:100%;
  overflow:hidden;
  background:var(--bg);
  padding:0;
}
.avatar-strip-track{
  display:flex;
  gap:16px;
  will-change:transform;
}
.avatar-strip-card{
  width:280px;
  height:280px;
  flex-shrink:0;
  overflow:hidden;
  border-radius:10px;
  border:1px solid var(--rule);
}
.avatar-strip-card img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center top;
  display:block;
  filter:saturate(0.85);
  transition:filter .4s ease, transform .6s ease;
}
.avatar-strip-card:hover img{
  filter:saturate(1);
  transform:scale(1.04);
}
@media (max-width:720px){
  .avatar-strip-card{ width:200px; height:200px }
}

/* ------------ How it works ------------ */
.steps{
  display:grid; grid-template-columns: repeat(4, 1fr);
  border-top:1px solid var(--ink);
}
.step{
  padding:36px 28px 56px 10px;
  border-right:1px solid var(--rule);
  position:relative;
}
.step:last-child{border-right:none; padding-right:0}
.step:not(:last-child){padding-right:28px}
.step .num{
  font-family:'Instrument Serif', serif;
  font-size:64px; line-height:1;
  color:var(--accent);
  display:block;
  margin-bottom:24px;
}
.step h3{
  font-family:'Manrope', sans-serif;
  font-size:18px; font-weight:600;
  letter-spacing:-0.01em;
  margin:0 0 12px;
  color:var(--ink);
}
.step p{
  font-size:14.5px; line-height:1.55; color:var(--ink-3);
  margin:0;
}
@media (max-width:980px){
  .steps{grid-template-columns:1fr 1fr}
  .step{border-bottom:1px solid var(--rule)}
  .step:nth-child(2){border-right:none}
}
@media (max-width:560px){
  .steps{grid-template-columns:1fr}
  .step{border-right:none}
}

/* ------------ Gen vs Clone ------------ */
.products{
  display:grid;
  grid-template-columns: 1.6fr 1fr;
  gap:32px;
  align-items:stretch;
}
.product{
  background:var(--bg-card);
  border:1px solid var(--rule);
  padding:48px 44px;
  position:relative;
  display:flex; flex-direction:column;
  border-radius:2px;
}
.product .product-head{
  display:flex; justify-content:space-between; align-items:flex-start;
  margin-bottom:36px;
}
.product-name{
  font-family:'Instrument Serif', serif;
  font-size: clamp(40px, 4.5vw, 64px);
  line-height:0.95;
  letter-spacing:-0.02em;
  margin:0;
}
.product-name em{font-style:italic; color:var(--ink-3)}
.badge{
  display:inline-flex; align-items:center; gap:8px;
  text-wrap-mode: nowrap;
  padding:6px 12px;
  border:1px solid var(--rule-2);
  border-radius:999px;
  font-family:'JetBrains Mono', monospace;
  font-size:10px; letter-spacing:0.16em; text-transform:uppercase;
  color:var(--ink-3);
}
.badge.primary{
  background:var(--ink); color:#fff; border-color:var(--ink);
}
.badge .dot{
  width:6px; height:6px; border-radius:50%; background:var(--accent);
}
.product-tag{
  font-family:'Instrument Serif', serif;
  font-size: clamp(20px, 1.9vw, 26px);
  line-height:1.3;
  color:var(--ink);
  margin:0 0 20px;
  letter-spacing:-0.005em;
}
.product p{
  font-size:15.5px; line-height:1.6; color:var(--ink-2);
  margin:0 0 16px;
}
.product .meta{
  margin-top:auto;
  padding-top:32px;
  border-top:1px solid var(--rule);
  display:grid; grid-template-columns:1fr 1fr; gap:16px;
  font-family:'JetBrains Mono', monospace;
  font-size:11px; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--ink-3);
}
.product .meta .v{color:var(--ink); margin-top:4px; text-transform:none; letter-spacing:0; font-family:'Manrope', sans-serif; font-size:13px}

.product.gen{
  background:var(--ink); color:#f4f1ec;
  border-color:var(--ink);
}
.product.gen .product-name{color:#fff}
.product.gen .product-name em{color:#a09b8e}
.product.gen .product-tag{color:#fff}
.product.gen p{color:#cdc8bd}
.product.gen .meta{border-top-color:#3a3934; color:#a09b8e}
.product.gen .meta .v{color:#fff}
.product.gen .badge{background:var(--accent); color:#fff; border-color:var(--accent)}
.product.gen .badge .dot{background:#fff}

.product-visual{
  margin:-12px -12px 28px;
  aspect-ratio: 16/10;
  background:var(--bg-soft);
  border:none;
  border-radius:2px;
  position:relative;
  overflow:hidden;
}
.product.gen .product-visual{
  aspect-ratio: 16/9;
  background:#000;
}
/* Gradient + label overlay on Clone card */
.product:not(.gen) .product-visual::before{
  content:"";
  position:absolute; inset:0; bottom:0;
  background:linear-gradient(to top, rgba(0,0,0,.52) 0%, rgba(0,0,0,0) 52%);
  z-index:1; pointer-events:none;
}
.product:not(.gen) .product-visual::after{
  content:"AVATAR · MODELED FROM YOUR EXPERT";
  position:absolute; bottom:14px; left:14px;
  font-family:'JetBrains Mono', monospace;
  font-size:10px; letter-spacing:0.14em;
  color:#fff;
  z-index:2;
}
.product .product-visual img{
  width:100%; height:100%; object-fit:cover; object-position:center top;
  display:block;
}

@media (max-width:980px){
  .products{grid-template-columns:1fr}
  .product{padding:36px 28px}
}

/* ------------ Industries ------------ */
.industries-section{
  border-top:1px solid var(--rule);
}
.industries{
  display:flex; flex-wrap:wrap;
  gap:10px 14px;
}
.industry{
  font-family:'Instrument Serif', serif;
  font-size: clamp(22px, 2.4vw, 34px);
  line-height:1.1;
  letter-spacing:-0.01em;
  color:var(--ink);
  padding:6px 0;
  transition:color .15s ease;
  cursor:default;
}
.industry:hover{color:var(--accent)}
.industry .sep{color:var(--rule-2); margin:0 8px; font-style:normal}
.industry:last-child .sep{display:none}

/* ------------ Final CTA ------------ */
.final{
  background:var(--bg-soft);
  border-top:1px solid var(--rule);
}
.final .container{
  padding-top:140px; padding-bottom:120px;
}
.final-grid{
  display:grid; grid-template-columns: 1.1fr 0.9fr;
  gap:64px; align-items:end;
}
.final-title{
  font-size: clamp(48px, 6.6vw, 96px);
  margin:0;
}
.final-title em{font-style:italic; color:var(--ink-2)}
.final p{
  font-size:17px; line-height:1.6; color:var(--ink-2);
  max-width:42ch;
  margin:0 0 32px;
}
.final-secondary{
  margin-top:24px;
  color:var(--ink-3);
  font-size:14px;
}
.final-secondary a{
  color:var(--ink); border-bottom:1px solid var(--ink);
  padding-bottom:1px;
}
.final-secondary a:hover{color:var(--accent); border-bottom-color:var(--accent)}
@media (max-width:820px){
  .final-grid{grid-template-columns:1fr; gap:32px}
  .final .container{padding-top:80px; padding-bottom:60px}
}

/* ------------ Footer ------------ */
footer{
  background:var(--bg-soft);
  border-top:1px solid var(--rule);
  padding:40px 0;
}
.footer-row{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:18px;
  color:var(--ink-3);
  font-family:'JetBrains Mono', monospace;
  font-size:11px; letter-spacing:0.14em; text-transform:uppercase;
}
.footer-row a{color:var(--ink-2)}
.footer-row a:hover{color:var(--accent)}
.footer-mark{
  display:flex; align-items:center; gap:14px;
}
.footer-mark .lockup{
  font-family:'Instrument Serif', serif;
  font-size:22px;
  color:var(--ink);
  letter-spacing:-0.02em;
  text-transform:none;
}
.footer-mark .lockup .dot{color:var(--accent)}

/* ------------ Big "ETHOS" wordmark divider ------------ */
.wordmark{
  font-family:'Instrument Serif', serif;
  font-weight:400;
  font-size: clamp(110px, 22vw, 360px);
  line-height:0.85;
  letter-spacing:-0.04em;
  color:var(--ink);
  padding:64px 0 24px;
  margin:0;
  user-select:none;
  overflow:hidden;
  white-space:nowrap;
}
.wordmark em{font-style:italic; color:var(--accent)}

/* utility */
.max-text{max-width:60ch}