/* ============================================================
   BPC MATRIX — clinical black + molten amber
   Halbert spacing: short lines, huge eye-relief.
   ============================================================ */

:root{
  --ink:#08090B;
  --ink-2:#0E1013;
  --ink-3:#15181C;
  --amber:#FF8A1A;
  --amber-d:#B75F0C;
  --white:#FFFFFF;
  --grey:#9AA1AB;
  --grey-d:#5E656E;
  --line:#23272D;

  --wrap:1180px;
  --narrow:760px;

  --f-display:"Archivo",-apple-system,"Helvetica Neue",Arial,sans-serif;
  --f-body:"Inter",-apple-system,"Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  background:var(--ink);
  color:var(--white);
  font-family:var(--f-body);
  font-size:19px;
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,video{max-width:100%;display:block}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 28px}
.narrow{max-width:var(--narrow);margin-left:auto;margin-right:auto}

/* left-aligned reading column: the container stays centred in the page,
   the content column caps at reading width and sits left inside it.
   (Never put margin-left:0 on .wrap itself — it kills the page centring.) */
.wrap.left > *{max-width:var(--narrow)}

section{padding:150px 0}
@media(max-width:760px){section{padding:92px 0}}

/* ---------------- type ---------------- */
h1,h2,h3{font-family:var(--f-display);font-weight:800;line-height:1.03;letter-spacing:-.028em}

h1{font-size:clamp(2.9rem,7.4vw,5.6rem)}
h2{font-size:clamp(2.2rem,5.2vw,3.9rem);margin-bottom:36px}
h3{font-size:1.42rem;letter-spacing:-.015em;line-height:1.2}

p{margin-bottom:30px;max-width:62ch}
p:last-child{margin-bottom:0}

.lede{font-size:clamp(1.2rem,2.4vw,1.55rem);line-height:1.62;color:#D9DEE5}

.eyebrow{
  font-family:var(--f-body);
  font-size:.76rem;font-weight:700;
  letter-spacing:.30em;text-transform:uppercase;
  color:var(--amber);margin-bottom:28px;
}
.eyebrow.muted{color:var(--grey-d)}

.amber{color:var(--amber)}
.dim{color:var(--grey)}

/* ---------------- brand ---------------- */
.brand{display:flex;align-items:center;gap:13px;font-family:var(--f-display);
  font-weight:800;font-size:1.28rem;letter-spacing:-.02em}
.brand .mark{width:26px;height:26px;flex:none}
.brand b{font-weight:800;color:var(--white)}
.brand i{font-style:normal;color:var(--amber)}

/* ---------------- header ---------------- */
header{
  position:absolute;top:0;left:0;right:0;z-index:20;
  padding:34px 0;
}

/* ---------------- hero ---------------- */
.hero{
  position:relative;min-height:100svh;
  display:flex;align-items:flex-end;
  padding:0 0 96px;overflow:hidden;
}
.hero video,.hero .poster{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;z-index:0;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg,rgba(8,9,11,.80) 0%,rgba(8,9,11,.30) 34%,rgba(8,9,11,.94) 88%,var(--ink) 100%),
    linear-gradient(90deg,rgba(8,9,11,.86) 0%,rgba(8,9,11,.16) 62%);
}
.hero .wrap{position:relative;z-index:2}
.hero h1{max-width:15ch;margin-bottom:34px}
.hero .lede{max-width:36ch;margin-bottom:46px}

/* ---------------- buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;gap:13px;
  background:var(--amber);color:#0A0A0A;
  font-family:var(--f-body);font-weight:700;font-size:1rem;
  letter-spacing:.01em;text-decoration:none;
  padding:21px 38px;border:0;cursor:pointer;
  transition:transform .16s ease,background .16s ease;
}
.btn:hover{background:#FFA047;transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--white);box-shadow:inset 0 0 0 2px var(--line)}
.btn.ghost:hover{background:transparent;box-shadow:inset 0 0 0 2px var(--amber);color:var(--amber)}

/* ---------------- stat strip ---------------- */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:0}
.strip .wrap{display:grid;grid-template-columns:repeat(3,1fr)}
.strip .cell{padding:56px 30px;border-left:1px solid var(--line)}
.strip .cell:first-child{border-left:0;padding-left:0}
.strip .num{font-family:var(--f-display);font-weight:800;font-size:clamp(2.6rem,5.4vw,4rem);
  line-height:1;letter-spacing:-.03em;color:var(--amber)}
.strip .lab{font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;color:var(--grey-d);margin-top:14px}
@media(max-width:760px){
  .strip .wrap{grid-template-columns:1fr}
  .strip .cell{border-left:0;border-top:1px solid var(--line);padding:38px 0}
  .strip .cell:first-child{border-top:0}
}

/* ---------------- punch copy (Halbert eye-relief) ---------------- */
.punch p{font-size:clamp(1.3rem,2.7vw,1.72rem);line-height:1.52;margin-bottom:38px;max-width:26ch}
.punch p.wide{max-width:40ch}
.punch .kick{color:var(--amber);font-family:var(--f-display);font-weight:800;
  font-size:clamp(1.8rem,4vw,2.7rem);line-height:1.15;letter-spacing:-.02em}

/* ---------------- cellular montage ---------------- */
.cells{margin:70px 0 10px;background:#000}
.cells video{width:100%;display:block}
/* mobile: break the cells video out of the .wrap 28px gutter, full-bleed edge to edge */
@media(max-width:760px){
  .cells{margin-left:-28px;margin-right:-28px;width:calc(100% + 56px)}
}

/* ---------------- the four ---------------- */
.four{display:grid;gap:0;border-top:1px solid var(--line)}
.pep{
  display:grid;grid-template-columns:270px 1fr;gap:56px;
  padding:66px 0;border-bottom:1px solid var(--line);
}
.pep .dose{font-family:var(--f-display);font-weight:800;line-height:1;letter-spacing:-.028em}
.pep .dose .mg{font-size:clamp(1.9rem,3.4vw,2.6rem);color:var(--amber);display:block}
.pep h3{margin-bottom:22px}
.pep p{font-size:1.06rem;color:#C9CFD7;max-width:56ch}
.pep .cite{font-size:.86rem;color:var(--grey-d);line-height:1.6;margin-top:22px;
  padding-left:18px;border-left:2px solid var(--line);max-width:56ch}
@media(max-width:760px){
  .pep{grid-template-columns:1fr;gap:26px;padding:52px 0}
}

/* ---------------- vs table ---------------- */
.vs{width:100%;border-collapse:collapse;margin-top:14px}
.vs th,.vs td{text-align:left;padding:26px 22px;border-bottom:1px solid var(--line);vertical-align:top}
.vs th{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--grey-d);font-weight:700}
.vs th:last-child{color:var(--amber)}
.vs td{font-size:1.02rem;color:#C9CFD7}
.vs td:last-child{color:var(--white);font-weight:600}
.vs tr td:first-child{color:var(--grey)}
@media(max-width:760px){.vs th,.vs td{padding:16px 10px;font-size:.94rem}}

/* ---------------- proof ---------------- */
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:20px}
@media(max-width:960px){.proof-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.proof-grid{grid-template-columns:1fr}}
.vid{position:relative;background:var(--ink-2);border:1px solid var(--line);overflow:hidden}
.vid video{width:100%;aspect-ratio:9/16;object-fit:cover;background:#000;cursor:pointer;display:block}
/* the play arrow is baked into the poster, so the whole card is the hit area */
.play-hit{
  position:absolute;inset:0;z-index:3;
  background:transparent;border:0;padding:0;cursor:pointer;
  -webkit-tap-highlight-color:transparent;
}
.play-hit:focus-visible{outline:3px solid var(--amber);outline-offset:-3px}
.vid .tag{
  position:absolute;left:0;bottom:0;right:0;z-index:2;pointer-events:none;
  padding:44px 20px 18px;
  background:linear-gradient(180deg,transparent,rgba(8,9,11,.93));
  font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;
}

/* ---------------- how ---------------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:52px 34px;border-left:1px solid var(--line);border-bottom:1px solid var(--line)}
.step:first-child{border-left:0;padding-left:0}
.step .n{font-family:var(--f-display);font-weight:800;font-size:2.4rem;color:var(--amber);
  line-height:1;margin-bottom:20px;letter-spacing:-.03em}
.step p{font-size:1rem;color:#C9CFD7}
@media(max-width:760px){
  .steps{grid-template-columns:1fr}
  .step{border-left:0;padding:38px 0}
}

/* ---------------- product shot ---------------- */
.product{display:grid;grid-template-columns:1fr 1fr;gap:76px;align-items:center}
.shot{border:1px solid var(--line);background:#000;overflow:hidden}
.shot img{width:100%;display:block}
.product-copy p{max-width:44ch}
@media(max-width:860px){
  .product{grid-template-columns:1fr;gap:44px}
}

/* ---------------- faq ---------------- */
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{
  cursor:pointer;list-style:none;padding:30px 0;
  font-family:var(--f-display);font-weight:700;font-size:1.22rem;letter-spacing:-.015em;
  display:flex;justify-content:space-between;align-items:center;gap:24px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--amber);font-size:1.7rem;font-weight:400;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{padding-bottom:30px;color:#C1C8D1;font-size:1.02rem}

/* ---------------- closer ---------------- */
.closer{text-align:center;border-top:1px solid var(--line)}
.closer h2{max-width:18ch;margin:0 auto 34px}
.closer .lede{margin:0 auto 46px;max-width:44ch}

/* ---------------- footer ---------------- */
footer{border-top:1px solid var(--line);padding:60px 0 76px;color:var(--grey-d);font-size:.9rem}
footer .row{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center}
footer .fine{margin-top:36px;font-size:.8rem;line-height:1.7;max-width:74ch;color:#4A5058}

/* ---------------- modal ---------------- */
.modal{
  position:fixed;inset:0;z-index:100;display:none;
  align-items:center;justify-content:center;padding:28px;
  background:rgba(4,5,6,.90);backdrop-filter:blur(6px);
}
.modal.open{display:flex}
.modal .box{
  background:var(--ink-2);border:1px solid var(--line);
  padding:56px 46px;max-width:520px;width:100%;text-align:center;
}
.modal h3{margin-bottom:18px;font-size:1.9rem}
.modal p{margin:0 auto 34px;color:var(--grey);font-size:1rem}
.modal .btn{width:100%;justify-content:center;margin-bottom:14px}
.modal .close{
  background:none;border:0;color:var(--grey-d);cursor:pointer;
  font-family:var(--f-body);font-size:.88rem;margin-top:12px;
}
.modal .close:hover{color:var(--white)}

/* ---------------- reveal ---------------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}