/* GenF20Muscle LP — Vanilla, no deps. */
/* A11y: focus-visible, reduced motion, skip-link. */
/* Layout: editorial-magazine + depth + motion. */

:root{
  --bg: #0b0c10;
  --bg2:#07080a;
  --surface:#0f172a;
  --surface2:#111827;
  --text:#e5e7eb;
  --muted:#a7b0c0;
  --line: rgba(255,255,255,.10);

  --acc1:#e11d48;
  --acc2:#f59e0b;

  --radius: 22px;
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --shadow2: 0 10px 30px rgba(0,0,0,.22);

  --max: 1120px;
  --pad: clamp(16px, 3vw, 28px);
  --gap: clamp(14px, 2.2vw, 22px);

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

html{ scroll-behavior:smooth; }
*{ box-sizing:border-box; }
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 20% 10%, rgba(225,29,72,.25), transparent 60%),
    radial-gradient(900px 500px at 80% 20%, rgba(245,158,11,.18), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  line-height:1.55;
  overflow-x:hidden;
}

img{
  display:block;
  margin-inline:auto;
  max-width:100%;
  height:auto;
}

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

.container{
  width:min(var(--max), calc(100% - 2*var(--pad)));
  margin-inline:auto;
}

.section{
  position:relative;
  padding: clamp(54px, 8vw, 92px) 0;
  isolation:isolate;
}

.section--alt{
  background:
    radial-gradient(900px 500px at 20% 0%, rgba(255,255,255,.06), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.section__head{
  margin-bottom: clamp(20px, 3vw, 30px);
  max-width: 70ch;
}

.section__head h2{
  margin:0 0 10px;
  font-size: clamp(26px, 3.2vw, 40px);
  letter-spacing:-.02em;
  line-height:1.15;
}

.section__head p{ margin:0; color:var(--muted); font-size: clamp(16px, 1.4vw, 18px); }

.small{ font-size: 13px; color:var(--muted); }

.sr-only{
  position:absolute !important;
  width:1px; height:1px;
  padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0);
  border:0;
}

.skip-link{
  position:absolute;
  top:8px; left:8px;
  background:#fff;
  color:#0b0c10;
  padding:10px 14px;
  border-radius:12px;
  transform: translateY(-140%);
  z-index:9999;
}
.skip-link:focus{ transform: translateY(0); outline:3px solid var(--acc2); }

/* Header */
.siteHeader{
  position:sticky;
  top:0;
  z-index:1000;
  background: rgba(11,12,16,.68);
  backdrop-filter: blur(12px);
  border-bottom:1px solid rgba(255,255,255,.10);
}

.siteHeader__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding: 12px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-width: 180px;
}
.brand__mark{
  width:34px; height:34px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--acc1), var(--acc2));
  box-shadow: 0 14px 30px rgba(225,29,72,.22);
}
.brand__text{
  font-weight: 900;
  letter-spacing: .02em;
  font-size: 14px;
}

.nav{ position:relative; }
.nav__toggle{
  display:none;
  appearance:none;
  border:1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.04);
  color:var(--text);
  border-radius: 14px;
  padding: 10px 12px;
  cursor:pointer;
}
.nav__toggle:focus-visible{ outline:3px solid var(--acc2); outline-offset:2px; }

.nav__toggleLines{
  width:22px; height:14px; display:block; position:relative;
}
.nav__toggleLines::before,
.nav__toggleLines::after,
.nav__toggleLines span{
  content:"";
  position:absolute;
  left:0; right:0;
  height:2px;
  background: #fff;
  border-radius: 999px;
  opacity:.9;
}
.nav__toggleLines::before{ top:0; }
.nav__toggleLines::after{ bottom:0; }
.nav__toggleLines span{ top:6px; }

.nav__panel{
  display:flex;
  align-items:center;
  gap: 16px;
}

.nav__links{
  display:flex;
  gap: 12px;
  align-items:center;
}

.nav__link{
  font-size: 13px;
  color: rgba(255,255,255,.82);
  padding: 9px 10px;
  border-radius: 12px;
  border:1px solid transparent;
}
.nav__link:hover{
  border-color: rgba(255,255,255,.14);
  background: rgba(255,255,255,.03);
}

.nav__tools{
  display:flex;
  align-items:center;
  gap: 10px;
}

.select{
  appearance:none;
  border:1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.04);
  color:var(--text);
  border-radius: 14px;
  padding: 10px 12px;
  font-size: 13px;
}
.select:focus-visible{ outline:3px solid var(--acc2); outline-offset:2px; }

.themeToggle{
  border:1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.04);
  color:var(--text);
  border-radius: 14px;
  padding: 10px 12px;
  cursor:pointer;
}
.themeToggle:focus-visible{ outline:3px solid var(--acc2); outline-offset:2px; }

.themeToggle__icon{
  width:16px; height:16px; display:block;
  background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,.35));
  border-radius:999px;
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.2);
}

/* Progress */
.progress{
  height: 3px;
  background: rgba(255,255,255,.06);
}
.progress__bar{
  height:100%;
  width:0%;
  background: linear-gradient(90deg, var(--acc1), var(--acc2));
  transform: translateZ(0);
}

/* Hero */
.hero{
  padding-top: clamp(62px, 9vw, 110px);
  overflow:hidden;
}

.hero__bgPic{
  position:absolute;
  inset:0;
  z-index:-3;
}
.hero__bg{
  width:100%;
  height:100%;
  object-fit:cover;
  filter: saturate(.9) contrast(1.08);
  opacity:.40;
}
.hero__overlay{
  position:absolute;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(800px 520px at 20% 25%, rgba(225,29,72,.26), transparent 60%),
    radial-gradient(900px 580px at 85% 10%, rgba(245,158,11,.22), transparent 55%),
    linear-gradient(180deg, rgba(11,12,16,.50), rgba(11,12,16,.88));
}

.hero__grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(18px, 4vw, 40px);
  align-items:center;
}

.disclosure{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.05);
  padding: 8px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: rgba(255,255,255,.88);
}
.disclosure--top{ margin-bottom: 14px; }
.disclosure--mini{ margin-top: 10px; }

.hero__title{
  margin:0;
  font-size: clamp(34px, 4.4vw, 58px);
  line-height:1.05;
  letter-spacing:-.03em;
}
.hero__sub{
  margin: 14px 0 0;
  color: rgba(255,255,255,.84);
  font-size: clamp(16px, 1.6vw, 19px);
  max-width: 55ch;
}

.hero__points{
  margin: 18px 0 0;
  padding:0;
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero__points li{
  font-size: 13px;
  color: rgba(255,255,255,.82);
  padding: 8px 10px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.10);
}

.hero__ctas{
  margin-top: 18px;
  display:flex;
  gap: 12px;
  flex-wrap:wrap;
}

.disclaimer{
  margin-top: 14px;
  color: rgba(255,255,255,.68);
  font-size: 12px;
  max-width: 70ch;
}

.hero__media{
  position:relative;
  padding: clamp(12px, 2vw, 18px);
}

.hero__packshot{
  width: min(540px, 100%);
  aspect-ratio: 9/7;
  object-fit: contain;
  filter: drop-shadow(0 26px 40px rgba(0,0,0,.35));
  animation: float 7s ease-in-out infinite;
}

.hero__mediaCaption{
  margin-top: 12px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  border-radius: var(--radius);
  padding: 12px 12px;
  color: rgba(255,255,255,.78);
  font-size: 12px;
}

.hero__bottomCta{
  margin-top: clamp(26px, 4vw, 40px);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border-radius: 16px;
  padding: 12px 16px;
  font-weight: 900;
  letter-spacing: .01em;
  border: 1px solid rgba(255,255,255,.16);
  cursor:pointer;
  transition: transform .14s ease, box-shadow .14s ease, background .14s ease, border-color .14s ease;
  user-select:none;
  -webkit-tap-highlight-color: transparent;
}
.btn:focus-visible{ outline:3px solid var(--acc2); outline-offset:2px; }
.btn:active{ transform: translateY(1px) scale(.99); }

.btn--primary{
  background: linear-gradient(135deg, var(--acc1), var(--acc2));
  color: #0b0c10;
  border-color: rgba(255,255,255,.08);
  box-shadow: 0 18px 40px rgba(225,29,72,.22);
}
.btn--primary:hover{ box-shadow: 0 22px 54px rgba(225,29,72,.28); transform: translateY(-1px); }

.btn--ghost{
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.92);
}
.btn--ghost:hover{ background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.22); transform: translateY(-1px); }

.btn--block{
  width: min(100%, 360px);
  margin-inline:auto;
  text-align:center;
}

.card{
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(800px 420px at 20% 0%, rgba(255,255,255,.06), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  box-shadow: var(--shadow2);
  padding: clamp(16px, 2.2vw, 22px);
}

.card h3{
  margin:0 0 10px;
  font-size: 18px;
  letter-spacing:-.02em;
}

.card p{ margin:0; color: var(--muted); }

.grid{
  display:grid;
  gap: var(--gap);
}
.grid--2{ grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid--3{ grid-template-columns: repeat(3, minmax(0,1fr)); }

.bullets{
  margin: 12px 0 0;
  padding-left: 18px;
  color: rgba(255,255,255,.86);
}
.bullets li{ margin: 8px 0; }

.figure{
  margin: 12px 0 0;
}
.figure picture img{
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow2);
}
.figure figcaption{
  margin-top: 10px;
  font-size: 12px;
  color: rgba(255,255,255,.70);
}

/* Steps */
.step__title{ margin:0 0 8px; font-size: 18px; }
.step__text{ margin:0; }

/* Media section with bg */
.section--media{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section__bg{
  position:absolute;
  inset:0;
  z-index:-3;
  opacity:.20;
}
.section__bg img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter: contrast(1.2) saturate(.9);
}

/* Pricing */
.pricing__note{
  margin-top: 10px !important;
  font-size: 13px;
  color: rgba(255,255,255,.70) !important;
}
.pricingGrid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: var(--gap);
  align-items: stretch;
}
.price{
  display:flex;
  flex-direction:column;
  height:100%;
}
.price__head{ display:flex; flex-direction:column; gap:6px; }
.price__badge{
  align-self:flex-start;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.88);
}
.price__title{
  margin: 0;
  font-size: 22px;
  letter-spacing:-.02em;
}
.price__units{
  margin:0;
  color: rgba(255,255,255,.76);
  font-weight: 700;
  font-size: 13px;
}
.price__media{
  margin-top: 12px;
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  padding: 14px;
}
.price__mediaNote{
  margin: 10px 0 0;
  font-size: 12px;
  color: rgba(255,255,255,.70);
}
.packshot-stack{
  position:relative;
  height: 220px;
  display:grid;
  place-items:center;
  overflow:hidden;
}
.packshot{
  width: min(240px, 100%);
  height:auto;
  object-fit:contain;
}
.packshot--layer{
  position:absolute;
  inset:auto;
  transform-origin:center;
  filter: drop-shadow(0 18px 30px rgba(0,0,0,.35));
  opacity:.98;
}
.packshot-stack[data-count="1"] .packshot--layer:nth-child(1){
  position:relative;
}
.packshot-stack[data-count="3"] .packshot--layer:nth-child(1){
  transform: translate(-28px, 10px) rotate(-6deg) scale(.95);
  opacity:.78;
}
.packshot-stack[data-count="3"] .packshot--layer:nth-child(2){
  transform: translate(0, 0) rotate(0) scale(1);
  opacity:1;
}
.packshot-stack[data-count="3"] .packshot--layer:nth-child(3){
  transform: translate(28px, 12px) rotate(6deg) scale(.95);
  opacity:.78;
}
.packshot-stack[data-count="6"] .packshot--layer:nth-child(1){ transform: translate(-50px, 18px) rotate(-10deg) scale(.88); opacity:.55; }
.packshot-stack[data-count="6"] .packshot--layer:nth-child(2){ transform: translate(-22px, 8px) rotate(-6deg) scale(.94); opacity:.72; }
.packshot-stack[data-count="6"] .packshot--layer:nth-child(3){ transform: translate(0, 0) rotate(0) scale(1); opacity:1; }
.packshot-stack[data-count="6"] .packshot--layer:nth-child(4){ transform: translate(22px, 8px) rotate(6deg) scale(.94); opacity:.72; }
.packshot-stack[data-count="6"] .packshot--layer:nth-child(5){ transform: translate(50px, 18px) rotate(10deg) scale(.88); opacity:.55; }
.packshot-stack[data-count="6"] .packshot--layer:nth-child(6){ transform: translate(0, 26px) rotate(0) scale(.86); opacity:.45; }

.price__headline{
  margin: 14px 0 0;
  font-weight: 800;
  color: rgba(255,255,255,.92);
}
.price__bullets{
  margin: 10px 0 0;
  padding-left: 18px;
  color: rgba(255,255,255,.86);
}
.price__bullets li{ margin: 8px 0; }
.price__ctaWrap{
  margin-top: auto;
  padding-top: 14px;
}

/* Accordion */
.accordion{
  display:grid;
  gap: 10px;
  max-width: 820px;
}
.accordion__item{
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  overflow:hidden;
}
.accordion__btn{
  width:100%;
  display:flex;
  justify-content:space-between;
  gap: 14px;
  align-items:center;
  padding: 14px 16px;
  background: transparent;
  border:0;
  color: rgba(255,255,255,.92);
  font-weight: 900;
  cursor:pointer;
  text-align:left;
}
.accordion__btn:focus-visible{ outline:3px solid var(--acc2); outline-offset:-2px; }
.accordion__icon{
  width: 18px; height: 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--acc1), var(--acc2));
  box-shadow: 0 12px 26px rgba(225,29,72,.22);
  position:relative;
}
.accordion__icon::before,
.accordion__icon::after{
  content:"";
  position:absolute;
  inset: 50% auto auto 50%;
  width: 10px; height: 2px;
  background:#0b0c10;
  transform: translate(-50%, -50%);
  border-radius: 999px;
}
.accordion__icon::after{
  width: 2px; height: 10px;
}
.accordion__btn[aria-expanded="true"] .accordion__icon::after{ opacity:0; }

.accordion__panel{
  padding: 0 16px 14px;
  color: rgba(255,255,255,.78);
}
.accordion__panel p{ margin:0; }

/* CTA row */
.ctaRow{
  margin-top: 22px;
  display:grid;
  justify-items:center;
  gap: 10px;
}

/* Final */
.section--final{
  background:
    radial-gradient(900px 520px at 50% 0%, rgba(225,29,72,.20), transparent 60%),
    radial-gradient(900px 520px at 65% 20%, rgba(245,158,11,.18), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.00));
  border-top:1px solid var(--line);
}
.final{
  text-align:center;
  max-width: 880px;
  margin-inline:auto;
}
.final h2{ margin:0 0 10px; font-size: clamp(24px, 3vw, 38px); letter-spacing:-.02em; }
.final p{ margin:0 0 16px; }

/* Footer */
.siteFooter{
  border-top:1px solid rgba(255,255,255,.10);
  padding: 22px 0;
  background: rgba(0,0,0,.22);
}
.siteFooter__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
}
.footerLink{
  display:inline-flex;
  margin-top: 6px;
  padding: 8px 10px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.03);
}
.footerLink:hover{ background: rgba(255,255,255,.05); }
.toTop{
  padding: 8px 10px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.03);
}

/* Reveal on scroll */
.reveal{
  transform: translateY(14px);
  opacity: 0.001;
  transition: transform .6s ease, opacity .6s ease;
}
.reveal.is-visible{
  transform: translateY(0);
  opacity: 1;
}

/* Offline page */
.offline{
  min-height:100vh;
  display:grid;
  place-items:center;
}
.offlineCard{
  text-align:center;
}

/* Animations */
@keyframes float{
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(-10px); }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .reveal{ transition:none; }
  .hero__packshot{ animation:none; }
  .btn{ transition:none; }
}

/* Mobile */
@media (max-width: 900px){
  .hero__grid{ grid-template-columns: 1fr; }
  .hero__copy, .final{ text-align:center; }
  .hero__sub{ margin-inline:auto; }
  .hero__points{ justify-content:center; }
  .hero__ctas{ justify-content:center; }
  .btn--block{ width: min(100%, 360px); }

  .grid--2{ grid-template-columns: 1fr; }
  .grid--3{ grid-template-columns: 1fr; }

  .pricingGrid{ grid-template-columns: 1fr; }

  /* lists left-aligned as required */
  .bullets, .price__bullets{ text-align:left; }
  .card{ text-align:center; }
  .card h3{ text-align:center; }
  .card .bullets{ margin-left:auto; margin-right:auto; max-width: 62ch; }
  .price__headline, .price__bullets{ text-align:left; }
  .price__badge{ align-self:center; }
  .price__units{ text-align:center; }

  .siteFooter__inner{ flex-direction:column; text-align:center; }
  .nav__toggle{ display:inline-flex; }
  .nav__panel{
    position:absolute;
    right:0;
    top: calc(100% + 10px);
    width: min(420px, 92vw);
    flex-direction:column;
    align-items:stretch;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius);
    border:1px solid rgba(255,255,255,.14);
    background: rgba(11,12,16,.92);
    box-shadow: var(--shadow);
    display:none;
  }
  .nav__panel.is-open{ display:flex; }
  .nav__links{
    flex-direction:column;
    align-items:stretch;
  }
  .nav__link{ text-align:center; }
  .nav__tools{ justify-content:center; flex-wrap:wrap; }
}

/* Benefits: packshot helper */
.benefitsMedia{
  margin-top: 12px;
  display:grid;
  justify-items:center;
  gap: 10px;
}
.benefitsMedia__pack{
  width: min(280px, 100%);
  aspect-ratio: 3/4;
  object-fit: contain;
  filter: drop-shadow(0 22px 34px rgba(0,0,0,.35));
}

/* Proof: inline packshot */
.proofPack{
  margin-top: 18px;
  display:flex;
  justify-content:flex-start;
}
.proofPack img{
  width: min(420px, 100%);
  aspect-ratio: 9/7;
  object-fit: contain;
  filter: drop-shadow(0 22px 34px rgba(0,0,0,.35));
}
@media (max-width: 900px){
  .proofPack{ justify-content:center; }
}