/* ═══════════════════════════════════════════
   PRIMAL PEPTIDES — dark cinematic system
   ═══════════════════════════════════════════ */
:root{
  --bg:#060607;
  --bg-2:#0c0c0e;
  --surface:#121215;
  --surface-2:#17171b;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --ink:#f4f4f3;
  --ink-mute:#9a9a9f;
  --ink-faint:#65656b;

  --gold:#c9a24a;
  --gold-2:#e7c878;
  --gold-deep:#9a7530;
  --silver-1:#e9ebee;
  --silver-2:#a7adb4;
  --silver-3:#71767d;

  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-display:'Saira',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-weight:400;
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  letter-spacing:.01em;
}
img{display:block;width:100%;height:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
::selection{background:var(--gold);color:#000}

/* ── shared ── */
.eyebrow{
  font-family:var(--font-display);
  text-transform:uppercase;
  letter-spacing:.42em;
  font-size:.72rem;
  font-weight:500;
  color:var(--gold);
}
.metal{
  background:linear-gradient(177deg,#fff 4%,var(--silver-1) 22%,var(--silver-3) 52%,#fff 70%,var(--silver-2) 88%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  text-shadow:0 1px 0 rgba(255,255,255,.08);
}
.metal--sm{font-size:inherit}
.section-head{max-width:var(--maxw);margin:0 auto;padding:0 28px;text-align:center}
.section-title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(2.4rem,6vw,4.6rem);
  text-transform:uppercase;
  letter-spacing:.02em;
  line-height:.98;
  margin:.5rem 0 .8rem;
}
.section-sub{color:var(--ink-mute);font-size:1.02rem;max-width:42ch;margin:0 auto}

/* ── buttons ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--font-display);
  font-weight:600;text-transform:uppercase;letter-spacing:.16em;font-size:.78rem;
  padding:1.05em 2.2em;border-radius:2px;cursor:pointer;border:1px solid transparent;
  transition:all .35s var(--ease);white-space:nowrap;
}
.btn--gold{
  background:linear-gradient(180deg,var(--gold-2),var(--gold));
  color:#1a1306;box-shadow:0 8px 30px -10px rgba(201,162,74,.6);
}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 16px 40px -12px rgba(201,162,74,.75);filter:brightness(1.06)}
.btn--line{border-color:var(--line-2);color:var(--ink);background:rgba(255,255,255,.02)}
.btn--line:hover{border-color:var(--gold);color:var(--gold-2);background:rgba(201,162,74,.06)}
.btn--ghost{border-color:var(--line-2);color:var(--ink);font-size:.7rem;padding:.85em 1.6em}
.btn--ghost:hover{background:#fff;color:#000;border-color:#fff}

/* ═══ PRELOADER ═══ */
.preloader{
  position:fixed;inset:0;z-index:1000;background:var(--bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;
  transition:opacity .8s var(--ease),visibility .8s;
}
.preloader.done{opacity:0;visibility:hidden}
.preloader__mark{
  font-family:var(--font-display);font-weight:800;font-size:3.2rem;
  letter-spacing:.05em;
  background:linear-gradient(180deg,#fff,var(--silver-3));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.preloader__bar{width:160px;height:1px;background:var(--line-2);overflow:hidden}
.preloader__bar span{display:block;height:100%;width:0;background:var(--gold);transition:width 1.4s var(--ease)}
.preloader.fill .preloader__bar span{width:100%}

/* ═══ NAV ═══ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:90;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px clamp(20px,4vw,46px);
  transition:background .4s var(--ease),padding .4s var(--ease),border-color .4s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(8,8,9,.72);backdrop-filter:blur(16px);
  padding:14px clamp(20px,4vw,46px);border-bottom:1px solid var(--line);
}
.nav__brand{display:flex;align-items:center;gap:11px}
.nav__mark{
  font-family:var(--font-display);font-weight:800;font-size:1.5rem;
  width:34px;height:34px;display:grid;place-items:center;
  border:1px solid var(--line-2);border-radius:3px;
  background:linear-gradient(160deg,#1c1c20,#0c0c0e);
  color:var(--silver-1);
}
.nav__word{font-family:var(--font-display);font-weight:700;letter-spacing:.18em;font-size:.92rem;text-transform:uppercase}
.nav__word em{font-style:normal;color:var(--ink-mute);font-weight:400}
.nav__links{display:flex;gap:34px}
.nav__links a{
  font-family:var(--font-display);font-size:.82rem;font-weight:500;
  text-transform:uppercase;letter-spacing:.14em;color:var(--ink-mute);
  position:relative;transition:color .3s;
}
.nav__links a::after{content:'';position:absolute;left:0;bottom:-6px;width:0;height:1px;background:var(--gold);transition:width .3s var(--ease)}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after{width:100%}
.nav__burger{display:none;flex-direction:column;gap:6px;background:none;border:none;cursor:pointer;padding:6px}
.nav__burger span{width:26px;height:2px;background:var(--ink);transition:.3s}

/* ═══ HERO ═══ */
.hero{position:relative;height:100svh;min-height:640px;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden}
.hero__media{position:absolute;inset:0;z-index:0}
.hero__img{transform:scale(1.12);will-change:transform}
.hero__veil{
  position:absolute;inset:0;
  background:
    radial-gradient(80% 60% at 50% 48%,rgba(6,6,7,.62) 0%,rgba(6,6,7,.28) 45%,transparent 72%),
    radial-gradient(130% 90% at 50% 30%,transparent 32%,rgba(6,6,7,.5) 80%,var(--bg) 100%),
    linear-gradient(180deg,rgba(6,6,7,.7) 0%,rgba(6,6,7,.15) 26%,transparent 50%,rgba(6,6,7,.55) 82%,var(--bg) 100%);
}
.hero__content{position:relative;z-index:2;padding:0 24px;max-width:1000px}
.hero__content .eyebrow{margin-bottom:26px}
.hero__title{font-family:var(--font-display);font-weight:800;line-height:.86;letter-spacing:.02em;text-transform:uppercase}
.hero__title .metal{display:block}
.hero__title .metal:first-of-type{font-size:clamp(3.6rem,15vw,11rem)}
.hero__title .metal--thin{font-size:clamp(1.4rem,5.2vw,3.6rem);font-weight:300;letter-spacing:.5em;margin-top:.1em;padding-left:.5em}
.hero__tag{margin-top:28px;font-family:var(--font-display);font-weight:300;letter-spacing:.26em;text-transform:uppercase;font-size:clamp(.78rem,1.6vw,1rem);color:var(--silver-2)}
.hero__actions{margin-top:40px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero__scarcity{margin-top:30px;font-size:.84rem;color:var(--ink-faint);letter-spacing:.04em}
.hero__scroll{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:10px}
.hero__scroll span{font-family:var(--font-display);font-size:.64rem;letter-spacing:.3em;text-transform:uppercase;color:var(--ink-faint)}
.hero__scroll i{width:1px;height:46px;background:linear-gradient(var(--gold),transparent);animation:scrolldrop 2.2s infinite}
@keyframes scrolldrop{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ═══ PILLARS ═══ */
.pillars{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2)}
.pillars__inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr)}
.pillar{padding:48px 30px;text-align:center;border-right:1px solid var(--line)}
.pillar:last-child{border-right:none}
.pillar .ico{width:30px;height:30px;margin:0 auto 16px;fill:none;stroke:var(--gold);stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round;display:block}
.pillar h4{font-family:var(--font-display);font-weight:600;text-transform:uppercase;letter-spacing:.12em;font-size:.92rem;margin-bottom:8px}
.pillar p{font-size:.85rem;color:var(--ink-mute);line-height:1.5}

/* ═══ MANIFESTO ═══ */
.manifesto{padding:clamp(90px,16vh,180px) 24px;text-align:center}
.manifesto__inner{max-width:900px;margin:0 auto}
.manifesto__lead{font-family:var(--font-display);font-weight:600;font-size:clamp(2rem,5.4vw,4.2rem);line-height:1.06;text-transform:uppercase;letter-spacing:.01em;margin:26px 0 34px}
.manifesto__lead span{display:block}
.manifesto__lead em{font-style:normal;color:var(--gold-2)}
.manifesto__body{font-size:clamp(1rem,1.4vw,1.18rem);color:var(--ink-mute);max-width:60ch;margin:0 auto 36px;line-height:1.75}

/* ═══ SCROLL-SCRUB REVEAL ═══ */
.scrub{height:210vh;position:relative;background:var(--bg)}
.scrub__sticky{position:sticky;top:0;height:100svh;overflow:hidden;display:grid;place-items:center;background:var(--bg)}
.scrub__sticky::before{content:'';position:absolute;width:60vh;height:60vh;border-radius:50%;background:radial-gradient(circle,rgba(201,162,74,.10),transparent 65%);z-index:0;filter:blur(20px)}
.scrub__ghost{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  font-family:var(--font-display);font-weight:800;text-transform:uppercase;
  font-size:clamp(5rem,22vw,20rem);letter-spacing:.04em;line-height:1;white-space:nowrap;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.05);user-select:none;z-index:0;
}
.scrub__video,.scrub__fallback{
  position:relative;z-index:1;height:78svh;width:auto;max-width:92vw;object-fit:contain;
  filter:drop-shadow(0 40px 80px rgba(0,0,0,.7));
  -webkit-mask-image:linear-gradient(180deg,transparent 0,#000 13%,#000 84%,transparent 100%);
  mask-image:linear-gradient(180deg,transparent 0,#000 13%,#000 84%,transparent 100%);
}
.scrub__fallback{display:none}
.scrub__top{position:absolute;top:13%;left:0;right:0;text-align:center;z-index:2}
.scrub__bottom{position:absolute;bottom:11%;left:0;right:0;text-align:center;z-index:2;padding:0 24px}
.scrub__title{font-family:var(--font-display);font-weight:700;text-transform:uppercase;font-size:clamp(1.7rem,4.4vw,3.2rem);line-height:1.02;letter-spacing:.02em}
.scrub__title em{font-style:normal;color:var(--gold-2)}
.scrub__sub{margin-top:14px;color:var(--ink-mute);font-size:.95rem;letter-spacing:.04em}
.scrub__bar{position:absolute;left:50%;bottom:5.5%;transform:translateX(-50%);width:140px;height:1px;background:var(--line-2);z-index:2}
.scrub__bar span{display:block;height:100%;width:0;background:var(--gold);box-shadow:0 0 12px var(--gold)}

/* ═══ COLLECTION ═══ */
.collection{padding:clamp(70px,12vh,130px) 0}
.grid{
  max-width:var(--maxw);margin:60px auto 0;padding:0 28px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:6px;
  overflow:hidden;cursor:pointer;transition:transform .5s var(--ease),border-color .5s,box-shadow .5s;
}
.card:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:0 30px 60px -28px rgba(0,0,0,.9)}
.card__media{position:relative;aspect-ratio:1/1.04;overflow:hidden;background:#000}
.card__media img{transition:transform .8s var(--ease),filter .6s}
.card:hover .card__media img{transform:scale(1.07)}
.card__media::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(6,6,7,.85))}
.card__body{position:relative;padding:20px 22px 24px;z-index:2;margin-top:-46px}
.card__tag{font-family:var(--font-display);font-size:.64rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);font-weight:600}
.card__body h3{font-family:var(--font-display);font-weight:600;font-size:1.18rem;text-transform:uppercase;letter-spacing:.03em;margin:6px 0 4px}
.card__body p{font-size:.86rem;color:var(--ink-mute);margin-bottom:12px}
.card__cta{font-family:var(--font-display);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);transition:color .3s}
.card:hover .card__cta{color:var(--gold-2)}
/* category tints over the vial image */
.card[data-tint="copper"] .card__media img{filter:sepia(.5) saturate(1.5) hue-rotate(-16deg) brightness(.96)}
.card[data-tint="gold"] .card__media img{filter:sepia(.55) saturate(1.7) hue-rotate(-8deg) brightness(1.02)}
.card[data-tint="rose"] .card__media img{filter:sepia(.4) saturate(1.6) hue-rotate(-28deg) brightness(1)}

/* ═══ BLENDS ═══ */
.blends{padding:clamp(60px,10vh,120px) 0;background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.blends__row{max-width:var(--maxw);margin:56px auto 0;padding:0 28px;display:grid;grid-template-columns:1fr 1fr;gap:22px}
.blend{display:grid;grid-template-columns:0.85fr 1fr;background:var(--surface);border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:border-color .5s,transform .5s var(--ease)}
.blend:hover{border-color:var(--line-2);transform:translateY(-4px)}
.blend__media{position:relative;background:#000;overflow:hidden}
.blend__media img{transition:transform .8s var(--ease)}
.blend:hover .blend__media img{transform:scale(1.06)}
.blend[data-tint="gold"] .blend__media img{filter:sepia(.55) saturate(1.7) hue-rotate(-8deg) brightness(1.02)}
.blend[data-tint="rose"] .blend__media img{filter:sepia(.4) saturate(1.6) hue-rotate(-28deg) brightness(1.02)}
.blend__body{padding:34px 30px;display:flex;flex-direction:column;justify-content:center}
.blend__body h3{font-family:var(--font-display);font-weight:700;font-size:1.7rem;text-transform:uppercase;letter-spacing:.03em;margin:8px 0 12px}
.blend__body p{font-size:.92rem;color:var(--ink-mute);line-height:1.65;margin-bottom:18px}
.blend__body .card__cta{color:var(--gold-2)}

/* ═══ SCIENCE ═══ */
.science{position:relative;display:grid;grid-template-columns:1fr 1fr;min-height:80vh;align-items:center;overflow:hidden}
.science__media{position:absolute;inset:0;z-index:0}
.science__media img{transform:scale(1.1);will-change:transform}
.science__veil{position:absolute;inset:0;background:linear-gradient(90deg,transparent,var(--bg) 58%),linear-gradient(180deg,var(--bg),transparent 30%,transparent 70%,var(--bg))}
.science__content{position:relative;z-index:2;grid-column:2;padding:clamp(40px,7vw,90px);max-width:640px}
.science__title{font-family:var(--font-display);font-weight:700;font-size:clamp(2rem,4.5vw,3.4rem);text-transform:uppercase;line-height:1.02;margin:14px 0 22px}
.science__body{color:var(--ink-mute);font-size:1.02rem;line-height:1.75;margin-bottom:26px}
.science__list{list-style:none;display:flex;flex-direction:column;gap:14px}
.science__list li{padding-left:26px;position:relative;color:var(--ink-mute);font-size:.95rem}
.science__list li::before{content:'';position:absolute;left:0;top:.55em;width:9px;height:9px;border:1px solid var(--gold);transform:rotate(45deg)}
.science__list b{color:var(--ink);font-weight:600}

/* ═══ MARQUEE ═══ */
.marquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0;background:var(--bg)}
.marquee__track{display:flex;gap:38px;align-items:center;white-space:nowrap;width:max-content;animation:marquee 28s linear infinite}
.marquee__track span{font-family:var(--font-display);font-weight:700;font-size:clamp(1.4rem,3vw,2.4rem);text-transform:uppercase;letter-spacing:.1em;color:transparent;-webkit-text-stroke:1px var(--silver-3)}
.marquee__track i{color:var(--gold);font-style:normal;font-size:1.2rem}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ═══ ACCESS ═══ */
.access{padding:clamp(90px,16vh,180px) 24px;text-align:center;background:radial-gradient(120% 90% at 50% 0%,rgba(201,162,74,.07),transparent 60%)}
.access__inner{max-width:720px;margin:0 auto}
.access__title{font-family:var(--font-display);font-weight:700;font-size:clamp(2.2rem,5.6vw,4rem);text-transform:uppercase;line-height:1.02;letter-spacing:.01em;margin:18px 0 22px}
.access__sub{color:var(--ink-mute);font-size:1.04rem;line-height:1.7;max-width:54ch;margin:0 auto 36px}
.access__form{display:flex;gap:10px;max-width:480px;margin:0 auto;flex-wrap:wrap}
.access__form input{
  flex:1;min-width:220px;background:var(--surface);border:1px solid var(--line-2);border-radius:2px;
  padding:1.05em 1.2em;color:var(--ink);font-family:var(--font-body);font-size:.95rem;outline:none;transition:border-color .3s;
}
.access__form input:focus{border-color:var(--gold)}
.access__form input::placeholder{color:var(--ink-faint)}
.access__fine{margin-top:16px;font-size:.78rem;color:var(--ink-faint);letter-spacing:.05em}

/* ═══ FAQ ═══ */
.faq{padding:clamp(70px,12vh,130px) 24px;max-width:860px;margin:0 auto}
.faq__list{margin-top:48px;border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item summary{
  list-style:none;cursor:pointer;padding:26px 4px;display:flex;justify-content:space-between;align-items:center;gap:20px;
  font-family:var(--font-display);font-weight:500;font-size:clamp(1.05rem,2vw,1.3rem);letter-spacing:.02em;transition:color .3s;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:'+';font-size:1.5rem;color:var(--gold);transition:transform .3s;font-weight:300}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item summary:hover{color:var(--gold-2)}
.faq__item p{padding:0 4px 28px;color:var(--ink-mute);font-size:.98rem;line-height:1.7;max-width:64ch}

/* ═══ FOOTER ═══ */
.footer{border-top:1px solid var(--line);padding:70px clamp(20px,4vw,46px) 30px;background:var(--bg-2)}
.footer__top{max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-between;gap:50px;flex-wrap:wrap}
.footer__brand{max-width:300px}
.footer__brand .nav__mark{margin-bottom:14px}
.footer__brand .nav__word{display:block}
.footer__tag{margin-top:14px;color:var(--ink-faint);font-size:.85rem;letter-spacing:.04em}
.footer__cols{display:flex;gap:60px;flex-wrap:wrap}
.footer__cols h5{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.16em;font-size:.74rem;color:var(--ink-faint);margin-bottom:16px;font-weight:600}
.footer__cols a{display:block;color:var(--ink-mute);font-size:.9rem;margin-bottom:11px;transition:color .3s}
.footer__cols a:hover{color:var(--gold-2)}
.footer__bottom{max-width:var(--maxw);margin:50px auto 0;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-family:var(--font-display);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint)}
.footer__legal{max-width:var(--maxw);margin:22px auto 0;font-size:.72rem;color:var(--ink-faint);line-height:1.6;opacity:.7}

/* ═══ REVEAL ANIM ═══ */
.reveal,.reveal-line{opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in,.reveal-line.in{opacity:1;transform:none}

/* ═══ RESPONSIVE ═══ */
@media(max-width:980px){
  .nav__links,.nav__cta{display:none}
  .nav__burger{display:flex}
  .pillars__inner{grid-template-columns:repeat(2,1fr)}
  .pillar:nth-child(2){border-right:none}
  .pillar:nth-child(1),.pillar:nth-child(2){border-bottom:1px solid var(--line)}
  .grid{grid-template-columns:repeat(2,1fr)}
  .blends__row{grid-template-columns:1fr}
  .science{grid-template-columns:1fr;min-height:auto}
  .science__media{position:relative;height:48vh}
  .science__veil{background:linear-gradient(180deg,transparent 40%,var(--bg))}
  .science__content{grid-column:1;padding:40px 24px 70px}
}
@media(max-width:820px){
  /* scroll-scrub stays live on mobile, shorter runway + sized to fit */
  .scrub{height:185vh}
  .scrub__video{height:56svh}
  .scrub__ghost{font-size:38vw}
  .scrub__title{font-size:clamp(1.5rem,6.5vw,2.3rem)}
  .scrub__top{top:9%}
  .scrub__bottom{bottom:10%}
}
@media(max-width:560px){
  .grid{grid-template-columns:1fr 1fr;gap:12px}
  .blend{grid-template-columns:1fr}
  .blend__media{height:240px}
  .footer__top{flex-direction:column;gap:34px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important}
  .reveal,.reveal-line{opacity:1;transform:none;transition:none}
  .hero__img,.science__media img{transform:none}
  .scrub{height:auto}
  .scrub__sticky{position:relative;height:auto;padding:80px 20px}
  .scrub__video{display:none}
  .scrub__fallback{display:block;height:auto;width:min(60vw,300px)}
  .scrub__top{position:static;margin-bottom:30px}
  .scrub__bottom{position:static;margin-top:34px}
}