:root{
  --ink:#181613;
  --ink:#18161a;
  --paper:#ffffff;
  --sand:#f6f2ea;
  --sand-2:#efe8da;
  --stone:#c4cdcd;
  --stone-soft:#e7ecec;
  --muted:#6f6a63;
  --gold:#a9834e;
  --gold-soft:#cdb188;
  --line:#e3ddcf;
  --maxw:1200px;
  --serif:'Fraunces',Georgia,'Times New Roman',serif;
  --sans:'Inter',Arial,Helvetica,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem}
.eyebrow{
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--gold);
  font-weight:600;
  margin:0 0 1rem;
}
h1,h2,h3{font-family:var(--serif);font-weight:500;margin:0;letter-spacing:-.01em}
h2{font-size:clamp(1.9rem,3.2vw,2.6rem);font-weight:400}
h3{font-size:1.3rem;font-weight:500}
p{margin:0}
.section{padding:5.5rem 0}
.section-tight{padding:3.5rem 0}
.center{text-align:center}
.section-head{max-width:640px;margin:0 auto 3rem}
.section-head.left{margin:0 0 3rem}
.lede{color:var(--muted);font-size:1.05rem;max-width:52ch}
.center .lede{margin-inline:auto}

.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.95rem 2rem;
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;
  border:1px solid var(--ink);
  background:var(--ink);color:#fff;
  cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:hover{background:transparent;color:var(--ink)}
.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-light{border-color:#fff;color:#fff;background:transparent}
.btn-light:hover{background:#fff;color:var(--ink)}
.btn-sm{padding:.7rem 1.4rem;font-size:.7rem}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 1.5rem;
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.logo img{height:26px;width:auto}
.main-nav{display:flex;gap:2.2rem}
.main-nav a{
  font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink);font-weight:500;
  padding:.4rem 0;border-bottom:1px solid transparent;
  transition:border-color .2s ease;
}
.main-nav a:hover{border-color:var(--gold)}
.header-actions{display:flex;align-items:center;gap:1.2rem}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:.4rem}
.nav-toggle span{display:block;width:22px;height:1.5px;background:var(--ink);margin:5px 0}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--sand)}
.hero-grid{
  display:grid;grid-template-columns:1.05fr 1fr;
  align-items:stretch;min-height:82vh;
}
.hero-copy{
  display:flex;flex-direction:column;justify-content:center;
  padding:4rem clamp(1.5rem,5vw,5rem);
}
.hero-copy h1{
  font-size:clamp(2.6rem,5vw,4.2rem);
  line-height:1.05;
  margin-bottom:1.4rem;
}
.hero-copy h1 em{font-style:italic;color:var(--gold)}
.hero-copy p{color:var(--muted);font-size:1.1rem;max-width:38ch;margin-bottom:2.2rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2.5rem}
.hero-note{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.hero-media{position:relative;overflow:hidden}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 18%}
.hero-mobile-img{display:none}

/* ---------- Marquee / trust strip ---------- */
.trust-strip{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--paper);
}
.trust-strip .wrap{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:1.2rem;
  padding:1.5rem;
}
.trust-item{
  font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);display:flex;align-items:center;gap:.5rem;
}
.trust-item::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--gold)}

/* ---------- What it is ---------- */
.intro{background:var(--paper)}
.intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:4rem;align-items:center}
.intro-media{position:relative}
.intro-media img{width:100%;border-radius:2px}
.intro-media .badge{
  position:absolute;bottom:-1.2rem;left:-1.2rem;
  background:var(--ink);color:#fff;padding:1rem 1.3rem;
  font-family:var(--serif);font-size:.95rem;line-height:1.3;max-width:210px;
}
.intro-copy .section-head{margin-bottom:1.6rem}
.intro-copy p+p{margin-top:1rem}
.intro-copy .lede{max-width:48ch}

/* ---------- Benefits ---------- */
.benefits{background:var(--sand)}
.benefit-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
}
.benefit-card{
  background:var(--sand);padding:2.4rem 1.8rem;
  display:flex;flex-direction:column;gap:1rem;
}
.benefit-icon{width:34px;height:34px;stroke:var(--gold);fill:none;stroke-width:1.3}
.benefit-card h3{font-size:1.05rem}
.benefit-card p{color:var(--muted);font-size:.92rem}

/* ---------- Science ---------- */
.science{background:var(--ink);color:#f4f1ea}
.science .eyebrow{color:var(--gold-soft)}
.science-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.science-copy p.lede{color:#c9c4b8;max-width:46ch}
.science-list{list-style:none;margin:2rem 0 0;padding:0;display:flex;flex-direction:column;gap:1.3rem}
.science-list li{display:flex;gap:1rem;align-items:flex-start;border-top:1px solid rgba(244,241,234,.14);padding-top:1.3rem}
.science-list li:first-child{border-top:none;padding-top:0}
.science-num{font-family:var(--serif);color:var(--gold-soft);font-size:1.1rem;min-width:2ch}
.science-list h3{color:#f4f1ea;font-size:1.02rem;margin-bottom:.3rem}
.science-list p{color:#b7b2a6;font-size:.92rem}
.science-media{position:relative}
.science-media img{width:100%;border-radius:2px}
.hexatein-tag{
  position:absolute;top:1.2rem;right:1.2rem;
  background:rgba(24,22,26,.72);backdrop-filter:blur(4px);
  color:#f4f1ea;padding:.6rem 1rem;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid rgba(244,241,234,.35);
}

/* ---------- Results ---------- */
.results{background:var(--paper)}
.results-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem;margin-top:1rem}
.results-card{border:1px solid var(--line);padding:2.2rem 1.8rem;position:relative}
.results-week{font-family:var(--serif);font-size:2.4rem;color:var(--gold);margin-bottom:.6rem;display:block}
.results-card h3{margin-bottom:.6rem}
.results-card p{color:var(--muted);font-size:.92rem}
.results-flag{
  margin-top:2.5rem;padding:1rem 1.3rem;background:var(--sand);
  border-left:3px solid var(--gold);font-size:.82rem;color:var(--muted);
}

/* ---------- Products ---------- */
.products{background:var(--sand)}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;margin-top:1rem}
.product-card{
  background:var(--paper);border:1px solid var(--line);
  display:flex;flex-direction:column;
  transition:box-shadow .25s ease,transform .25s ease;
}
.product-card:hover{box-shadow:0 18px 40px rgba(24,22,26,.08);transform:translateY(-3px)}
.product-media{aspect-ratio:3/4;overflow:hidden;background:#fff}
.product-media img{width:100%;height:100%;object-fit:contain;padding:1.2rem}
.product-body{padding:1.4rem 1.4rem 1.6rem;display:flex;flex-direction:column;gap:.55rem;flex:1}
.product-tag{font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold)}
.product-body h3{font-size:1.05rem}
.product-body p{color:var(--muted);font-size:.85rem;flex:1}
.product-price{font-family:var(--serif);font-size:1.15rem;margin-top:.2rem}
.product-body .btn{margin-top:.6rem;width:100%;justify-content:center}

/* ---------- Testimonials ---------- */
.testimonials{background:var(--paper)}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem;margin-top:1rem}
.testi-card{padding:2rem 0 0;border-top:1px solid var(--line)}
.stars{color:var(--gold);letter-spacing:.15em;margin-bottom:1rem;font-size:.95rem}
.testi-card p{font-family:var(--serif);font-size:1.15rem;line-height:1.5;margin-bottom:1.2rem}
.testi-name{font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.testi-flag{margin-top:2.5rem}

/* ---------- CTA / newsletter ---------- */
.cta{
  background:linear-gradient(180deg,var(--stone-soft),var(--sand));
  text-align:center;
}
.cta h2{max-width:640px;margin:0 auto 1rem}
.cta p.lede{margin:0 auto 2rem}
.newsletter-form{
  display:flex;max-width:420px;margin:0 auto;border:1px solid var(--ink);
}
.newsletter-form input{
  flex:1;border:none;background:transparent;padding:.95rem 1.1rem;font-family:var(--sans);font-size:.9rem;outline:none;
}
.newsletter-form button{border:none;border-left:1px solid var(--ink)}
.form-note{margin-top:1rem;font-size:.75rem;color:var(--muted)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#c9c4b8;padding:4rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2.5rem;padding-bottom:3rem;border-bottom:1px solid rgba(244,241,234,.14)}
.footer-brand img{height:22px;filter:invert(1) brightness(1.6);margin-bottom:1rem}
.footer-brand p{font-size:.85rem;color:#a29c8f;max-width:34ch}
.footer-col h4{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:#f4f1ea;margin-bottom:1.1rem}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.7rem}
.footer-col a{font-size:.88rem;color:#c9c4b8;transition:color .2s ease}
.footer-col a:hover{color:var(--gold-soft)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;
  padding-top:1.6rem;font-size:.75rem;color:#8a8578;
}

/* ---------- Utility / reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .main-nav{display:none}
  .nav-toggle{display:block}
  .hero-grid{grid-template-columns:1fr;min-height:auto}
  .hero-media{order:-1;aspect-ratio:4/3}
  .hero-mobile-img{display:block}
  .hero-desktop-img{display:none}
  .intro-grid,.science-grid{grid-template-columns:1fr;gap:2.5rem}
  .intro-media .badge{position:static;margin-top:1rem;max-width:none}
  .benefit-grid{grid-template-columns:repeat(2,1fr)}
  .results-grid{grid-template-columns:1fr}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .testi-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  .section{padding:3.5rem 0}
  .benefit-grid{grid-template-columns:1fr}
  .product-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:2rem}
  .trust-strip .wrap{justify-content:flex-start}
  .newsletter-form{flex-direction:column;gap:.6rem;border:none}
  .newsletter-form input{border:1px solid var(--ink)}
  .newsletter-form button{border-left:none}
}

.site-header.nav-open .main-nav{
  display:flex;position:absolute;top:76px;left:0;right:0;
  background:#fff;flex-direction:column;padding:1.5rem;border-bottom:1px solid var(--line);gap:1.2rem;
}