/* ===== 3-Layer Lash Training Head — B2B procurement site · dark-gold editorial ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --ink:#0E0E10; --ink-2:#16161A; --ink-3:#1E1E22;
  --bone:#EDE4D8; --bone-dim:#B9B0A2; --bone-mute:#8C857A;
  --plate:#F4EEE4;
  --gold:#C9A24B; --gold-deep:#8A6D2F; --line:rgba(201,162,75,.28);
  --maxw:1120px; --nav-h:64px;
  --serif:'Fraunces',Georgia,serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}
html{scroll-behavior:smooth}
body{background:var(--ink);color:var(--bone);font-family:var(--sans);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold);text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem}
.eyebrow{font-family:var(--sans);font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:var(--gold);font-weight:500}
.serif{font-family:var(--serif)}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.12;color:#F6EFE4;letter-spacing:-.01em}
h1{font-size:clamp(2.3rem,4.8vw,3.7rem)}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
h3{font-size:1.15rem}
section{padding:5rem 0}
.alt{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.lead{color:var(--bone-dim);font-size:1.08rem;max-width:62ch}
.section-head{max-width:64ch;margin-bottom:3rem}
.section-head .eyebrow{margin-bottom:1rem}
.section-head p{color:var(--bone-dim);font-size:1.08rem;margin-top:1rem}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.95rem 1.7rem;font-family:var(--sans);font-weight:500;font-size:.95rem;letter-spacing:.01em;border-radius:2px;transition:all .18s ease;cursor:pointer}
.btn-gold{background:var(--gold);color:#1A1407;border:1px solid var(--gold)}
.btn-gold:hover{background:#DCB662}
.btn-ghost{background:transparent;color:var(--bone);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--gold);color:#F6EFE4}
.btn-lg{padding:1.1rem 2.2rem;font-size:1.02rem}
.btn-sm{padding:.6rem 1.1rem;font-size:.85rem}

/* ===== sticky nav ===== */
.nav{position:sticky;top:0;z-index:60;background:rgba(14,14,16,.82);backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem;height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:1rem}
.nav-brand{font-family:var(--serif);font-size:1.05rem;color:#F6EFE4;letter-spacing:.02em;white-space:nowrap}
.nav-brand b{color:var(--gold);font-weight:500}
.nav-links{display:flex;align-items:center;gap:1.6rem}
.nav-links a{color:var(--bone-dim);font-size:.9rem;font-weight:500;letter-spacing:.01em}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--gold)}
.nav-cta{display:flex;align-items:center;gap:1rem}
.nav-toggle{display:none}
@media(max-width:760px){
  .nav-links{display:none}
  .nav-cta .btn span.full{display:none}
}

/* ===== hero (home) ===== */
.hero{border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:3.5rem;align-items:center;padding-top:4.5rem;padding-bottom:4.5rem}
.hero .eyebrow{margin-bottom:1.2rem}
.hero h1{max-width:16ch;margin-bottom:1.4rem}
.hero-sub{font-size:1.18rem;color:var(--bone-dim);max-width:48ch;margin-bottom:2.2rem}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap}
.hero-meta{margin-top:2.4rem;display:flex;gap:2.2rem;flex-wrap:wrap;font-size:.82rem;color:var(--bone-mute);letter-spacing:.04em}
.hero-meta b{color:var(--bone);font-weight:500}

/* page hero (sub-pages) */
.page-hero{padding:3.5rem 0 2.5rem;border-bottom:1px solid var(--line)}
.page-hero h1{max-width:20ch;margin:1rem 0 1rem}
.page-hero .lead{font-size:1.15rem}
.page-hero .hero-cta{margin-top:1.8rem}

/* specimen plate */
.plate{background:var(--plate);border:1px solid var(--line);border-radius:4px;padding:1.2rem}
.plate img{width:100%;border-radius:2px}
.plate-cap{display:flex;justify-content:space-between;align-items:baseline;padding:.85rem .25rem 0;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:#7a7064}
.plate-cap b{color:var(--gold-deep);font-weight:600}
.hero-plate{justify-self:end;max-width:430px;width:100%}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden}
.metric{background:var(--ink);padding:2rem 1.6rem}
.metric .n{font-family:var(--serif);font-size:clamp(2.2rem,4.6vw,3rem);color:var(--gold);line-height:1;display:block;margin-bottom:.5rem}
.metric p{font-size:.8rem;color:var(--bone-mute);text-transform:uppercase;letter-spacing:.12em}

/* ===== WHY BUY — pain → fix cards ===== */
.pain-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.4rem}
.pain{background:var(--ink-2);border:1px solid var(--line);border-top:2px solid var(--gold);border-radius:3px;padding:1.8rem}
.pain .tag{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-deep);font-weight:600}
.pain h3{margin:.6rem 0 .7rem;color:#F6EFE4;font-size:1.22rem}
.pain p{color:var(--bone-dim);font-size:.96rem}
.pain .fix{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--line);color:var(--bone);font-size:.95rem}
.pain .fix b{color:var(--gold)}

/* ===== WHY PREMIUM — value props ===== */
.value-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden}
.value{background:var(--ink);padding:2.1rem 1.8rem}
.value .k{font-family:var(--serif);font-size:1.8rem;color:var(--gold);display:block;margin-bottom:.6rem}
.value h3{margin-bottom:.5rem;color:#F6EFE4;font-size:1.08rem}
.value p{font-size:.93rem;color:var(--bone-dim)}

/* feature split (alternating) */
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:3rem;align-items:center}
.split.rev{grid-template-columns:1.05fr .95fr}
.split.rev .split-media{order:2}
.split-media{max-width:480px;width:100%}
.split-body .eyebrow{margin-bottom:1rem}
.split-body h2{margin-bottom:1rem}
.split-body p{color:var(--bone-dim);font-size:1.05rem;margin-bottom:1.4rem}
.steps{list-style:none;display:flex;flex-direction:column;gap:1rem;margin-bottom:1.8rem}
.steps li{display:flex;gap:1rem;align-items:flex-start;color:var(--bone);font-size:1rem}
.steps li span{flex:none;width:1.9rem;height:1.9rem;border:1px solid var(--gold);border-radius:50%;color:var(--gold);font-family:var(--serif);font-size:.95rem;display:flex;align-items:center;justify-content:center}
.ul-check{list-style:none;display:flex;flex-direction:column;gap:.7rem;margin-bottom:1.4rem}
.ul-check li{position:relative;padding-left:1.6rem;color:var(--bone-dim);font-size:.98rem}
.ul-check li::before{content:'';position:absolute;left:0;top:.55em;width:.55rem;height:.55rem;background:var(--gold);transform:rotate(45deg)}
.ul-check li b{color:var(--bone)}

/* uses / generic value grid */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2.5rem}
.why-grid .v h3{color:var(--gold);font-family:var(--sans);font-weight:500;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:.7rem}
.why-grid .v p{font-size:1.02rem;color:var(--bone)}
.why-grid .v p span{color:var(--bone-mute);display:block;font-size:.9rem;margin-top:.3rem}

/* specs */
.specs{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line)}
.specs > div{display:flex;gap:1.5rem;padding:1.3rem .4rem;border-bottom:1px solid var(--line)}
.specs dt{flex:none;width:8.5rem;color:var(--gold);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;padding-top:.15rem}
.specs dd{color:var(--bone-dim);font-size:1rem}

/* ===== WHY ORDER NOW — urgency band ===== */
.urgency{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center}
.urgency h2{max-width:24ch;margin:0 auto 1rem}
.urgency .lead{margin:0 auto 1.8rem;color:var(--bone-dim)}
.urgency .hero-cta{justify-content:center}
.risk-row{display:flex;gap:2rem;flex-wrap:wrap;justify-content:center;margin-top:2rem;font-size:.85rem;color:var(--bone-mute);letter-spacing:.03em}
.risk-row b{color:var(--bone);font-weight:500}

/* ===== FACTORY — real manufacturer ===== */
.factory{background:var(--ink)}
.factory-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.factory-body h2{margin-bottom:1rem}
.factory-body p{color:var(--bone-dim);margin-bottom:1rem;font-size:1.03rem}
.factory-tags{display:flex;gap:1.4rem;flex-wrap:wrap;margin-top:1.4rem;font-size:.82rem;color:var(--bone-mute);letter-spacing:.06em;text-transform:uppercase}
.factory-tags b{color:var(--gold);font-weight:500}
.process{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.process .slot{aspect-ratio:4/3;border:1px dashed var(--line);border-radius:3px;background:var(--ink-2);display:flex;align-items:center;justify-content:center;text-align:center;color:var(--bone-mute);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;padding:1rem}

/* faq */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:1.35rem 0;display:flex;justify-content:space-between;gap:1rem;font-family:var(--serif);font-size:1.18rem;color:#F6EFE4}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';color:var(--gold);font-size:1.5rem;line-height:1}
.faq-item[open] summary::after{content:'\2212'}
.faq-item p{padding:0 0 1.5rem;color:var(--bone-dim);max-width:72ch}

/* closing cta */
.close-cta{text-align:center;border-top:1px solid var(--line)}
.close-cta h2{margin-bottom:.8rem}
.close-sub{color:var(--bone-dim);margin-bottom:1.8rem}
.close-cta .hero-cta{justify-content:center}

/* whatsapp float — station gold, BOTTOM-LEFT (near thumb / input) */
.wa-float{position:fixed;left:1.4rem;bottom:calc(1.4rem + env(safe-area-inset-bottom,0px));z-index:55;display:flex;align-items:center;gap:.6rem;background:var(--gold);color:#1A1407;padding:.85rem 1.3rem;border-radius:40px;font-family:var(--sans);font-weight:600;font-size:.92rem;box-shadow:0 6px 24px rgba(0,0,0,.45)}
.wa-float:hover{background:#DCB662;color:#1A1407}
.wa-float svg{width:20px;height:20px;fill:currentColor}

/* chat widget (Luna) — BOTTOM-RIGHT, AI chat */
.chat-fab{position:fixed;right:1.4rem;bottom:calc(1.4rem + env(safe-area-inset-bottom,0px));z-index:56;display:flex;align-items:center;gap:.55rem;background:var(--ink-3);color:var(--bone);border:1px solid var(--gold);padding:.72rem 1.05rem;border-radius:40px;font-family:var(--sans);font-weight:500;font-size:.9rem;cursor:pointer;box-shadow:0 6px 24px rgba(0,0,0,.45)}
.chat-fab:hover{border-color:#DCB662;color:#F6EFE4}
.chat-fab .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);flex:none}
.chat-fab .greet{min-width:5ch;text-align:left}
.chat-panel{position:fixed;right:1.4rem;bottom:calc(4.9rem + env(safe-area-inset-bottom,0px));z-index:57;width:340px;max-width:calc(100vw - 2.8rem);background:var(--ink-2);border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 44px rgba(0,0,0,.55);overflow:hidden;display:none;flex-direction:column}
.chat-panel.open{display:flex}
.chat-head{display:flex;align-items:center;gap:.5rem;padding:.9rem 1rem;background:var(--ink-3);border-bottom:1px solid var(--line)}
.chat-head .who{font-family:var(--serif);color:#F6EFE4;font-size:1.02rem;line-height:1.2;margin-right:auto}
.chat-head .who span{display:block;font-family:var(--sans);font-size:.64rem;color:var(--gold);letter-spacing:.08em;text-transform:uppercase;margin-top:.2rem}
.chat-wa{font-size:.7rem;font-weight:600;color:var(--gold);border:1px solid var(--line);border-radius:5px;padding:.3rem .55rem}
.chat-wa:hover{border-color:var(--gold)}
.chat-close{background:none;border:0;color:var(--bone-mute);font-size:1.4rem;cursor:pointer;line-height:1;padding:0 .15rem}
.chat-close:hover{color:var(--bone)}
.chat-log{flex:1;max-height:46vh;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.6rem}
.chat-row{display:flex}
.chat-row.user{justify-content:flex-end}
.chat-bubble{max-width:86%;padding:.6rem .8rem;border-radius:10px;font-size:.9rem;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}
.chat-row.bot .chat-bubble{background:var(--ink-3);border:1px solid var(--line);color:var(--bone-dim);border-top-left-radius:3px}
.chat-row.user .chat-bubble{background:var(--gold);color:#1A1407;border-top-right-radius:3px}
.chat-row.bot .chat-bubble a{color:var(--gold);text-decoration:underline;font-weight:600}
.chat-row.typing .chat-bubble{color:var(--bone-mute)}
.chat-chips{display:flex;flex-wrap:wrap;gap:.4rem;padding:0 1rem .6rem}
.chat-chip{background:transparent;border:1px solid var(--line);color:var(--bone-dim);border-radius:40px;padding:.35rem .7rem;font-size:.78rem;cursor:pointer;font-family:var(--sans);transition:border-color .15s ease,color .15s ease}
.chat-chip:hover{border-color:var(--gold);color:#F6EFE4}
.chat-input-row{display:flex;gap:.5rem;padding:.7rem 1rem calc(1rem + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line)}
.chat-input{flex:1;min-width:0;background:var(--ink);border:1px solid var(--line);border-radius:8px;color:var(--bone);padding:.6rem .7rem;font-family:var(--sans);font-size:.9rem}
.chat-input:focus{outline:none;border-color:var(--gold)}
.chat-send{flex:none;width:42px;border:0;border-radius:8px;background:var(--gold);color:#1A1407;font-size:1.15rem;cursor:pointer}
.chat-send:hover{background:#DCB662}

/* ===== rich footer ===== */
.site-footer{background:var(--ink-2);border-top:1px solid var(--line);padding:3.5rem 0 2rem;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2.5rem;padding-bottom:2.5rem;border-bottom:1px solid var(--line)}
.foot-brand .fbrand{font-family:var(--serif);color:#F6EFE4;font-size:1.15rem;display:block;margin-bottom:.7rem}
.foot-brand p{color:var(--bone-mute);font-size:.88rem;max-width:32ch}
.foot-col h4{color:var(--gold);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;font-family:var(--sans);font-weight:600;margin-bottom:1rem}
.foot-col a{display:block;color:var(--bone-dim);margin-bottom:.6rem;font-size:.9rem}
.foot-col a:hover{color:var(--gold)}
.foot-bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;align-items:center;padding-top:1.5rem;color:var(--bone-mute);font-size:.82rem}
.foot-bottom a{color:var(--bone-dim)}

/* guides hub */
.guide-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:1.2rem}
.guide-card{display:block;background:var(--ink-2);border:1px solid var(--line);border-radius:3px;padding:1.7rem;transition:border-color .18s ease}
.guide-card:hover{border-color:var(--gold)}
.guide-card .tag{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-deep);font-weight:600}
.guide-card h3{color:#F6EFE4;font-size:1.18rem;margin:.5rem 0 .5rem}
.guide-card p{color:var(--bone-dim);font-size:.92rem}
.guide-card .more{color:var(--gold);font-size:.84rem;margin-top:.9rem;display:inline-block}
.crumb{font-size:.8rem;color:var(--bone-mute);letter-spacing:.04em;margin-bottom:1rem}
.crumb a{color:var(--bone-dim)}
.crumb a:hover{color:var(--gold)}

/* legal / prose */
.prose{max-width:72ch}
.prose h2{font-size:1.35rem;margin:2.2rem 0 .7rem}
.prose h2:first-child{margin-top:0}
.prose p{color:var(--bone-dim);margin-bottom:1rem}
.prose p a{color:var(--gold)}
.prose .updated{color:var(--bone-mute);font-size:.85rem;margin-bottom:2rem}
.prose .steps{margin-top:1.5rem}

/* responsive */
@media(max-width:860px){
  section{padding:3.6rem 0}
  .hero-grid{grid-template-columns:1fr;gap:2.5rem;padding-top:3rem}
  .hero-plate{justify-self:start;max-width:420px}
  .split,.factory-grid{grid-template-columns:1fr;gap:2rem}
  .split.rev .split-media{order:0}
  .split-media{max-width:420px}
  .specs{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:2rem}
}
@media(max-width:520px){
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{justify-content:center}
  .foot-grid{grid-template-columns:1fr}
  .wa-float span{display:none}
  .wa-float{padding:.9rem;border-radius:50%}
}