/* ============================================
   AEVON — Premium research peptide brand
   Palette: charcoal / bone / antique gold
   ============================================ */
:root{
  --charcoal:#111111;
  --charcoal-2:#181818;
  --charcoal-3:#1f1f1f;
  --bone:#f4f1ea;
  --bone-dim:#d8d3c7;
  --gold:#b8975a;
  --gold-lt:#caa768;
  --grey:#6b6e70;
  --line:rgba(184,151,90,0.28);
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'Inter',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--charcoal);
  color:var(--bone);
  font-family:var(--sans);
  font-weight:300;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
em{font-style:italic}

/* --- wordmark --- */
.wordmark{
  font-family:var(--sans);
  font-weight:500;
  letter-spacing:0.42em;
  text-indent:0.42em;
}
.wordmark--lg{font-size:2.4rem}
.wordmark--md{font-size:1.5rem}
.wordmark--sm{font-size:0.9rem}

/* --- shared --- */
.eyebrow{
  font-size:0.72rem;
  letter-spacing:0.32em;
  text-transform:uppercase;
  color:var(--grey);
  margin-bottom:1.2rem;
}
.eyebrow--gold{color:var(--gold)}
h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:0.01em}
h2{font-size:clamp(2rem,4vw,3.1rem);line-height:1.12}
.section-head{text-align:center;padding:0 1.5rem;margin-bottom:3.5rem}

.btn{
  display:inline-block;
  font-family:var(--sans);
  font-size:0.74rem;
  font-weight:500;
  letter-spacing:0.22em;
  text-transform:uppercase;
  padding:1.05rem 2.3rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .35s ease;
}
.btn--gold{background:var(--gold);color:var(--charcoal)}
.btn--gold:hover{background:var(--gold-lt);transform:translateY(-2px)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--bone)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold)}
.link-underline{
  font-size:0.78rem;letter-spacing:0.18em;text-transform:uppercase;
  color:var(--gold);border-bottom:1px solid var(--line);padding-bottom:4px;
  transition:border-color .3s;
}
.link-underline:hover{border-color:var(--gold)}

/* --- age gate --- */
.agegate{
  position:fixed;inset:0;z-index:1000;
  background:rgba(9,9,9,0.98);
  display:flex;align-items:center;justify-content:center;
  padding:2rem;
}
.agegate__inner{max-width:440px;text-align:center}
.agegate__inner .wordmark{margin-bottom:2rem;display:block}
.agegate__text{color:var(--bone-dim);font-size:0.95rem;margin-bottom:2rem}
.agegate__actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.agegate__fine{margin-top:2rem;font-size:0.7rem;letter-spacing:0.2em;text-transform:uppercase;color:var(--grey)}
.agegate--hidden{display:none}

/* --- announce --- */
.announce{
  background:var(--charcoal);
  border-bottom:1px solid rgba(255,255,255,0.06);
  text-align:center;
  font-size:0.68rem;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--bone-dim);
  padding:0.7rem 1rem;
}

/* --- header --- */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(17,17,17,0.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.05);
}
.nav{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  padding:1.4rem 2.5rem;
  max-width:1300px;margin:0 auto;
}
.nav__group{list-style:none;display:flex;gap:2.2rem}
.nav__group--right{justify-content:flex-end}
.nav__group a{
  font-size:0.72rem;letter-spacing:0.16em;text-transform:uppercase;color:var(--bone-dim);
  transition:color .3s;
}
.nav__group a:hover{color:var(--gold)}
.nav__brand{text-align:center}
.nav__cart{color:var(--gold)!important}

/* --- hero --- */
.hero{
  position:relative;
  min-height:88vh;
  display:flex;align-items:center;
  padding:4rem 2.5rem;
  max-width:1300px;margin:0 auto;
  overflow:hidden;
}
.hero__bg{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 60% 80% at 72% 50%, rgba(184,151,90,0.14), transparent 60%),
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.03), transparent 40%);
  z-index:0;
}
.hero__content{position:relative;z-index:2;max-width:640px}
.hero__title{
  font-size:clamp(2.8rem,6.5vw,5.2rem);
  line-height:1.04;
  margin-bottom:1.8rem;
  letter-spacing:0.005em;
}
.hero__title em{color:var(--gold)}
.hero__sub{
  font-size:1.05rem;color:var(--bone-dim);max-width:440px;margin-bottom:2.6rem;font-weight:300;
}
.hero__cta{display:flex;gap:1rem;flex-wrap:wrap}
.hero__vial{
  position:absolute;right:5%;top:50%;transform:translateY(-50%);
  height:78%;z-index:1;filter:drop-shadow(0 30px 60px rgba(0,0,0,0.6));
  animation:float 6s ease-in-out infinite;
}
.hero__vial svg{height:100%}
@keyframes float{0%,100%{transform:translateY(-50%)}50%{transform:translateY(-53%)}}

/* --- pillars --- */
.pillars{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--line);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.pillar{background:var(--charcoal);padding:3.5rem 2.5rem;text-align:center}
.pillar__mark{color:var(--gold);font-size:1.5rem;margin-bottom:1.2rem}
.pillar h3{font-size:1.5rem;margin-bottom:0.8rem}
.pillar p{color:var(--grey);font-size:0.9rem;max-width:300px;margin:0 auto}

/* --- catalog --- */
.catalog{padding:6rem 2.5rem;max-width:1300px;margin:0 auto}
.grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;
}
.card{
  background:var(--charcoal-2);
  border:1px solid rgba(255,255,255,0.05);
  padding:2rem 1.6rem 1.6rem;
  transition:all .4s ease;
  position:relative;
  display:flex;flex-direction:column;
}
.card:hover{border-color:var(--line);transform:translateY(-4px)}
.card__badge{
  position:absolute;top:1rem;right:1rem;
  font-size:0.58rem;letter-spacing:0.12em;color:var(--gold);
  border:1px solid var(--line);padding:3px 7px;border-radius:2px;
}
.card__img{
  height:150px;display:flex;align-items:center;justify-content:center;margin-bottom:1.4rem;
}
.card__img svg{height:130px}
.card__cat{font-size:0.62rem;letter-spacing:0.2em;text-transform:uppercase;color:var(--grey);margin-bottom:0.5rem}
.card__name{font-family:var(--serif);font-size:1.55rem;margin-bottom:0.3rem}
.card__desc{font-size:0.78rem;color:var(--grey);margin-bottom:1.4rem;flex-grow:1}
.card__foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,0.06);padding-top:1.1rem}
.card__price{font-size:1.05rem;color:var(--bone)}
.card__cta{font-size:0.66rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--gold);cursor:pointer;transition:opacity .3s}
.card__cta:hover{opacity:0.65}
.catalog__note{text-align:center;color:var(--grey);font-size:0.75rem;letter-spacing:0.05em;margin-top:3rem}

/* --- standard --- */
.standard{
  background:
    linear-gradient(rgba(10,10,10,0.86),rgba(10,10,10,0.92)),
    radial-gradient(circle at 30% 40%, rgba(184,151,90,0.12), transparent 55%);
  padding:7rem 2rem;text-align:center;
  border-top:1px solid var(--line);
}
.standard__inner{max-width:720px;margin:0 auto}
.standard__title{font-size:clamp(2rem,4.5vw,3.4rem);line-height:1.14;margin-bottom:1.6rem}
.standard__body{color:var(--bone-dim);font-size:1.05rem;margin-bottom:2.2rem}

/* --- verify --- */
.verify{
  display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;
  max-width:1200px;margin:0 auto;padding:7rem 2.5rem;
}
.verify__text h2{margin-bottom:1.6rem}
.verify__text p{color:var(--bone-dim);margin-bottom:2.2rem;max-width:420px}
.coa{
  background:var(--bone);color:var(--charcoal);
  padding:2.2rem;border-radius:2px;
  box-shadow:0 40px 80px rgba(0,0,0,0.5);
  max-width:400px;margin-left:auto;
  font-family:var(--sans);
}
.coa__head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(0,0,0,0.12);padding-bottom:1rem;margin-bottom:1.2rem}
.coa__head .wordmark{color:var(--charcoal)}
.coa__tag{font-size:0.54rem;letter-spacing:0.16em;color:var(--grey)}
.coa__row{display:flex;justify-content:space-between;font-size:0.82rem;padding:0.55rem 0;border-bottom:1px solid rgba(0,0,0,0.06)}
.coa__row span:first-child{color:var(--grey)}
.coa__hi{color:#7a5a1e;font-weight:600}
.coa__seal{margin-top:1.3rem;text-align:center;font-size:0.7rem;letter-spacing:0.16em;text-transform:uppercase;color:#7a5a1e;border:1px solid rgba(122,90,30,0.3);padding:0.7rem}

/* --- faq --- */
.faq{max-width:820px;margin:0 auto;padding:5rem 2.5rem 7rem}
.faq__list details{border-bottom:1px solid rgba(255,255,255,0.08);padding:1.4rem 0}
.faq__list summary{
  font-family:var(--serif);font-size:1.3rem;cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;align-items:center;
}
.faq__list summary::-webkit-details-marker{display:none}
.faq__list summary::after{content:'+';color:var(--gold);font-family:var(--sans);font-weight:300}
.faq__list details[open] summary::after{content:'–'}
.faq__list p{color:var(--grey);font-size:0.92rem;margin-top:1rem;max-width:640px}

/* --- footer --- */
.footer{border-top:1px solid var(--line);padding:4.5rem 2.5rem 2.5rem;max-width:1300px;margin:0 auto}
.footer__top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:3rem;margin-bottom:3.5rem}
.footer__tag{color:var(--grey);font-size:0.85rem;margin-top:1rem}
.footer__cols{display:flex;gap:4rem;flex-wrap:wrap}
.footer__cols h4{font-family:var(--sans);font-size:0.68rem;letter-spacing:0.2em;text-transform:uppercase;color:var(--gold);margin-bottom:1.2rem;font-weight:500}
.footer__cols a{display:block;color:var(--bone-dim);font-size:0.85rem;margin-bottom:0.7rem;transition:color .3s}
.footer__cols a:hover{color:var(--bone)}
.footer__legal{border-top:1px solid rgba(255,255,255,0.06);padding-top:2rem}
.footer__legal p{color:var(--grey);font-size:0.72rem;line-height:1.7;max-width:900px}
.footer__copy{margin-top:1rem;letter-spacing:0.1em}

/* --- responsive --- */
@media(max-width:1000px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .verify{grid-template-columns:1fr;gap:2.5rem}
  .coa{margin:0 auto}
  .hero__vial{opacity:0.28;right:-5%}
}
@media(max-width:680px){
  .nav{grid-template-columns:1fr auto 1fr;padding:1.1rem 1.2rem}
  .nav__group{gap:1rem}
  .nav__group a{font-size:0.6rem}
  .wordmark--lg{font-size:1.9rem}
  .pillars{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .hero{min-height:70vh}
  .footer__top{flex-direction:column}
}