/* =========================================================================
   PEAOID — Design System
   Premium palmitoylethanolamide ingredient brand
   ========================================================================= */

/* ---------- Tokens ---------- */
:root{
  /* Ink / neutrals */
  --ink-900:#040A11;
  --ink-800:#08131F;
  --ink-700:#0E1F2F;
  --ink-600:#173047;
  --ink-500:#2A4763;
  --slate-600:#44576B;
  --slate-500:#63788C;
  --slate-400:#8FA2B4;
  --slate-300:#B7C5D1;
  --line:#E3EAF0;
  --line-soft:#EEF3F7;
  --paper:#FFFFFF;
  --paper-2:#F7FAFC;
  --paper-3:#EDF3F7;

  /* Brand */
  /* Brand gold — taken from the PEAOID logo gradient (#FBB040 -> #F9ED32) */
  --gold-700:#8A5A08;   /* link / body text on white  */
  --gold-600:#9A6608;   /* eyebrow, small caps        */
  --gold-500:#FBB040;   /* brand amber                */
  --gold-400:#F9ED32;   /* brand yellow               */
  --gold-300:#FDD75A;   /* accents on dark            */
  --gold-100:#FBE6B4;
  --gold-050:#FEF8EA;
  --gold-grad:linear-gradient(96deg,#FBB040 0%,#F9ED32 100%);
  --on-gold:#2C1D00;

  --amber:#D99323;
  --amber-050:#FDF5E7;
  --violet:#5B5BD6;
  --violet-050:#EEEEFB;
  --rose:#C2445A;
  --rose-050:#FCEFF1;

  /* Type */
  --f-display:"Instrument Serif", "Iowan Old Style", Georgia, serif;
  --f-body:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --f-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Space & shape */
  --r-sm:4px; --r-md:8px; --r-lg:14px; --r-xl:22px;
  --container:1200px;
  --shadow-1:0 1px 2px rgba(8,19,31,.05), 0 2px 8px rgba(8,19,31,.04);
  --shadow-2:0 2px 4px rgba(8,19,31,.05), 0 12px 32px rgba(8,19,31,.08);
  --shadow-3:0 24px 64px rgba(8,19,31,.14);
  --ease:cubic-bezier(.22,1,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.65;
  color:var(--ink-700);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  font-feature-settings:"cv05" 1,"cv11" 1,"ss01" 1;
  overflow-x:clip;
}
html{overflow-x:clip}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:var(--gold-700);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--gold-500)}
button{font:inherit}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}
::selection{background:var(--gold-100);color:var(--ink-800)}

/* Chemical names must never be hyphenated or split mid-word. */
body,h1,h2,h3,h4,h5,p,li,td,th,a,span,div{hyphens:none;-webkit-hyphens:none;overflow-wrap:normal;word-break:normal}

h1,h2,h3,h4,h5{margin:0 0 .5em;color:var(--ink-800);line-height:1.15;letter-spacing:-.018em;font-weight:650}
h1{
  /* "palmitoylethanolamide" is 21 characters and must never break across lines.
     It measures ~8.99x the font size, so the vw term keeps it inside the
     container at every width down to 320px. Do not add hyphens or break-word. */
  font-size:clamp(1.85rem,9.5vw,4.1rem);
  font-family:var(--f-display);font-weight:400;letter-spacing:-.022em;line-height:1.05;
}
h2{font-size:clamp(1.85rem,3.4vw,2.9rem);font-family:var(--f-display);font-weight:400;letter-spacing:-.02em;line-height:1.1}
h3{font-size:clamp(1.2rem,2vw,1.5rem)}
h4{font-size:1.05rem}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
strong{font-weight:620;color:var(--ink-800)}
small{font-size:.84rem}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:28px}
.container-narrow{max-width:820px}
.container-wide{max-width:1340px}
section{position:relative}
.section{padding:clamp(64px,8vw,120px) 0}
.section-sm{padding:clamp(44px,5vw,72px) 0}
.grid{display:grid;gap:28px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,80px);align-items:center}
.split-4-6{grid-template-columns:.85fr 1.15fr}
.stack>*+*{margin-top:1.1rem}
.center{text-align:center}
.mt0{margin-top:0}.mb0{margin-bottom:0}
.muted{color:var(--slate-500)}
.lead{font-size:clamp(1.06rem,1.6vw,1.28rem);line-height:1.6;color:var(--slate-600)}

@media(max-width:900px){
  .g3,.g4,.g2,.split,.split-4-6{grid-template-columns:1fr}
  .g4{grid-template-columns:repeat(2,1fr)}
  .container{padding-inline:20px}
}
@media(max-width:560px){.g4{grid-template-columns:1fr}}

/* ---------- Surfaces ---------- */
.bg-paper2{background:var(--paper-2)}
.bg-paper3{background:var(--paper-3)}
.bg-ink{background:var(--ink-900);color:#C6D5E2}
.bg-ink h1,.bg-ink h2,.bg-ink h3,.bg-ink h4{color:#fff}
.bg-ink .lead,.bg-ink .muted{color:#8FA6BC}
.bg-ink a{color:var(--gold-300)}
.bg-gold{background:var(--gold-050)}

.hairline{border-top:1px solid var(--line)}

/* ---------- Eyebrow / labels ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--f-mono);font-size:.68rem;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--gold-600);
  margin-bottom:1rem;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--gold-500);flex:none}
.bg-ink .eyebrow,.hero .eyebrow,.cta-band .eyebrow,.page-head-dark .eyebrow{color:var(--gold-300)}
.bg-ink .eyebrow::before,.hero .eyebrow::before,.cta-band .eyebrow::before,.page-head-dark .eyebrow::before{background:var(--gold-400)}
.page-head-dark h1,.cta-band h1{color:#fff}
.page-head-dark .lead,.cta-band .lead{color:#93AABF}
.page-head-dark .crumbs{color:#5F7A90}
.page-head-dark .crumbs a{color:#8FA6BC}
.page-head-dark .crumbs a:hover{color:var(--gold-300)}
.page-head-dark .table-note{color:#5F7A90}

.sec-head{max-width:760px;margin-bottom:clamp(36px,4vw,60px)}
.sec-head.center{margin-inline:auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 24px;border-radius:var(--r-md);border:1px solid transparent;
  font-size:.94rem;font-weight:560;letter-spacing:-.005em;
  cursor:pointer;transition:all .2s var(--ease);white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex:none;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{background:var(--ink-800);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--ink-600);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-accent{background:var(--gold-grad);color:var(--on-gold);font-weight:600}
.btn-accent:hover{filter:brightness(1.06);color:var(--on-gold);transform:translateY(-1px);box-shadow:0 8px 26px rgba(251,176,64,.38)}
.btn-ghost{background:transparent;color:var(--ink-700);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink-600);color:var(--ink-800);background:var(--paper-2)}
.bg-ink .btn-ghost,.site-header .btn-ghost,.mobile-nav .btn-ghost,.hero .btn-ghost,.cta-band .btn-ghost,.page-head-dark .btn-ghost,.calc .btn-ghost{
  color:#DCE7F0;border-color:rgba(255,255,255,.24)}
.bg-ink .btn-ghost:hover,.site-header .btn-ghost:hover,.hero .btn-ghost:hover,.cta-band .btn-ghost:hover,.page-head-dark .btn-ghost:hover{
  background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.45);color:#fff}
.btn-sm{padding:9px 16px;font-size:.85rem}
.site-header .btn-primary{background:var(--gold-grad);color:var(--on-gold);font-weight:600;box-shadow:none}
.site-header .btn-primary:hover{filter:brightness(1.07);background:var(--gold-grad);color:var(--on-gold);box-shadow:0 6px 20px rgba(251,176,64,.34)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

.link-arrow{display:inline-flex;align-items:baseline;gap:7px;font-weight:550;font-size:.92rem;line-height:1.5}
.link-arrow::after{content:"→";transition:transform .25s var(--ease)}
.link-arrow:hover::after{transform:translateX(4px)}

/* ---------- Header ---------- */
.topbar{
  background:var(--ink-900);color:#93A9BE;font-size:.775rem;
  padding:9px 0;letter-spacing:.005em;
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:20px}
.topbar a{color:#B9CBDA}
.topbar a:hover{color:var(--gold-300)}
.topbar-meta{display:flex;gap:22px;align-items:center}
@media(max-width:760px){.topbar-meta{display:none}.topbar .container{justify-content:center}}
@media(min-width:561px){.topbar .short{display:none}}
@media(max-width:560px){.topbar .long{display:none}.topbar{font-size:.72rem}}

.site-header{
  position:sticky;top:0;z-index:200;background:rgba(4,10,17,.90);
  backdrop-filter:saturate(160%) blur(16px);-webkit-backdrop-filter:saturate(160%) blur(16px);
  border-bottom:1px solid rgba(255,255,255,.08);transition:box-shadow .25s var(--ease);
}
.site-header.scrolled{box-shadow:0 2px 28px rgba(0,0,0,.45)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:28px;height:78px}
.brand{display:flex;align-items:center;flex:none}
.brand img{height:41px;width:auto;display:block}
.brand-mark{width:34px;height:34px;flex:none}
@media(max-width:520px){.brand img{height:30px}}

.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-links>li{position:relative}
.nav-links>li>a{
  display:flex;align-items:center;gap:5px;padding:9px 13px;border-radius:var(--r-sm);
  font-size:.895rem;font-weight:500;color:#B7CADA;
}
.nav-links>li>a:hover,.nav-links>li.active>a{color:#fff;background:rgba(255,255,255,.08)}
.nav-links .caret{width:9px;height:9px;opacity:.5;transition:transform .2s}
.nav-links>li:hover .caret{transform:rotate(180deg)}

.dropdown{
  position:absolute;top:calc(100% + 8px);left:-8px;min-width:290px;
  background:#0B1725;border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);
  box-shadow:0 24px 64px rgba(0,0,0,.55);padding:8px;list-style:none;margin:0;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:all .22s var(--ease);
}
.nav-links>li:hover .dropdown,.nav-links>li:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 13px;border-radius:var(--r-sm);color:#CBDBE7;font-size:.885rem;font-weight:500}
.dropdown a:hover{background:rgba(255,255,255,.07);color:var(--gold-400)}
.dropdown a small{display:block;color:#7A93A8;font-weight:400;font-size:.76rem;margin-top:1px}

.nav-cta{display:flex;align-items:center;gap:10px;flex:none}
.burger{display:none;width:42px;height:42px;border:1px solid rgba(255,255,255,.22);background:transparent;border-radius:var(--r-md);cursor:pointer;align-items:center;justify-content:center}
.burger span{display:block;width:17px;height:1.5px;background:#DCE7F0;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:17px;height:1.5px;background:#DCE7F0;transition:.2s}
.burger span::before{top:-5.5px}.burger span::after{top:5.5px}

@media(max-width:1080px){
  .nav-links,.nav-cta .btn{display:none}
  .burger{display:flex}
}

.mobile-nav{
  position:fixed;inset:0;z-index:300;background:var(--ink-900);padding:24px;
  overflow-y:auto;transform:translateX(100%);visibility:hidden;pointer-events:none;
  transition:transform .32s var(--ease),visibility .32s;
}
.mobile-nav.open{transform:translateX(0);visibility:visible;pointer-events:auto}
.mobile-nav-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}
.mobile-nav .close{width:42px;height:42px;border:1px solid rgba(255,255,255,.2);background:transparent;border-radius:var(--r-md);font-size:1.3rem;cursor:pointer;color:#DCE7F0}
.mobile-nav ul{list-style:none;margin:0;padding:0}
.mobile-nav>ul>li{border-bottom:1px solid rgba(255,255,255,.09)}
.mobile-nav>ul>li>a{display:block;padding:15px 2px;font-size:1.06rem;font-weight:550;color:#fff}
.mobile-nav .sub{padding:0 0 14px 14px}
.mobile-nav .sub a{display:block;padding:7px 0;font-size:.92rem;color:#93AABF}
.mobile-nav .btn{width:100%;margin-top:22px}
.mobile-nav .btn-primary{background:var(--gold-grad);color:var(--on-gold);font-weight:600}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:var(--ink-900);color:#B8CBDB;overflow:hidden;
  padding:clamp(72px,10vw,132px) 0 clamp(60px,7vw,96px);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 520px at 78% 6%, rgba(251,176,64,.20), transparent 62%),
    radial-gradient(700px 460px at 8% 92%, rgba(91,91,214,.16), transparent 60%);
  pointer-events:none;
}
.hero-mesh{position:absolute;inset:0;opacity:.5;pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero h1{
  color:#fff;margin-bottom:1.2rem;
  /* NOT a ch-based max-width: 19ch is narrower than the uppercase brand term
     and would force it to break. Cap by column width instead. */
  max-width:min(100%,22ch);
  /* Sized for the brand term, the widest thing on the page.
     "palmitoylethanolamide" measures ~8.76x the h1 font size, so 9.5vw keeps
     it whole and inside the container from 320px up. */
  font-size:clamp(1.85rem,9.5vw,3.55rem);line-height:1.07;
  hyphens:none;overflow-wrap:normal;word-break:normal;
}
@media(min-width:900px){.hero h1{font-size:clamp(2.4rem,4.3vw,3.55rem)}}

/* The brand term: lowercase, gold gradient, and never broken.
   white-space:nowrap guarantees it stays whole; the h1 sizing below
   guarantees it still fits. */
.pea-hl{
  white-space:nowrap;
  background:var(--gold-grad);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
  -webkit-text-fill-color:transparent;
}
@supports not ((background-clip:text) or (-webkit-background-clip:text)){
  .pea-hl{color:var(--gold-400);-webkit-text-fill-color:var(--gold-400)}
}
.hero h1 em{
  font-style:normal;background:var(--gold-grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:clamp(1.05rem,1.7vw,1.3rem);color:#93AABF;max-width:56ch;margin-bottom:2rem;line-height:1.6}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,72px);align-items:center}
@media(max-width:980px){.hero-grid{grid-template-columns:1fr}}

.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:1.6rem}
.badge{
  display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:100px;
  font-family:var(--f-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);color:#C5D6E4;
}
.badge .dot{width:5px;height:5px;border-radius:50%;background:var(--gold-400)}

/* molecule card */
.mol-card{
  border:1px solid rgba(255,255,255,.11);border-radius:var(--r-xl);
  background:linear-gradient(165deg, rgba(255,255,255,.055), rgba(255,255,255,.015));
  padding:26px;backdrop-filter:blur(8px);
}
.mol-card h4{color:#fff;font-size:.82rem;font-family:var(--f-mono);font-weight:500;letter-spacing:.13em;text-transform:uppercase;color:var(--gold-300);margin-bottom:14px}
.mol-svg{margin:6px 0 18px}
.mol-facts{list-style:none;margin:0;padding:0;font-family:var(--f-mono);font-size:.775rem}
.mol-facts li{display:flex;justify-content:space-between;gap:14px;padding:8px 0;border-top:1px solid rgba(255,255,255,.08);color:#8CA3B8}
.mol-facts li b{color:#E6EFF6;font-weight:500}

/* ---------- Stat strip ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:30px 26px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{font-family:var(--f-display);font-size:clamp(2rem,3.4vw,2.9rem);line-height:1;color:var(--ink-900);letter-spacing:-.02em}
.stat-num sup{font-size:.42em;color:var(--gold-500);top:-1em;font-family:var(--f-mono)}
.stat-label{font-size:.82rem;color:var(--slate-500);margin-top:9px;line-height:1.45}
.bg-ink .stats{border-color:rgba(255,255,255,.1)}
.bg-ink .stat{border-color:rgba(255,255,255,.1)}
.bg-ink .stat-num{color:#fff}
.bg-ink .stat-label{color:#8AA1B6}
@media(max-width:840px){.stats{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}}

/* ---------- Cards ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;transition:all .28s var(--ease);position:relative;overflow:hidden;
}
.card:hover{border-color:var(--slate-300);box-shadow:var(--shadow-2);transform:translateY(-3px)}
.card h3{font-size:1.14rem;margin-bottom:.5rem}
.card p{font-size:.94rem;color:var(--slate-600);margin-bottom:0}
.card-ico{
  width:44px;height:44px;border-radius:11px;display:grid;place-items:center;
  background:var(--gold-050);color:var(--gold-600);margin-bottom:18px;
}
.card-ico svg{width:21px;height:21px}
.card-num{
  font-family:var(--f-mono);font-size:.72rem;color:var(--gold-600);
  letter-spacing:.12em;margin-bottom:14px;display:block;
}
.card-link{margin-top:16px;display:inline-flex}

.card-dark{background:var(--ink-800);border-color:rgba(255,255,255,.1);color:#A8BECF}
.card-dark h3{color:#fff}
.card-dark p{color:#8FA6BC}
.card-dark:hover{border-color:rgba(255,255,255,.22)}

.card-flat{border:0;background:var(--paper-2);box-shadow:none}
.card-flat:hover{transform:none;box-shadow:none;background:var(--paper-3)}

/* Feature list */
.flist{list-style:none;margin:0;padding:0}
.flist li{position:relative;padding:0 0 0 30px;margin-bottom:14px;font-size:.95rem;color:var(--slate-600)}
.flist li::before{
  content:"";position:absolute;left:0;top:.45em;width:16px;height:16px;border-radius:50%;
  background:var(--gold-050);
  box-shadow:inset 0 0 0 1px var(--gold-300);
}
.flist li::after{
  content:"";position:absolute;left:5px;top:.72em;width:6px;height:3px;
  border-left:1.6px solid var(--gold-600);border-bottom:1.6px solid var(--gold-600);
  transform:rotate(-45deg);
}
.flist li b{color:var(--ink-800)}
.bg-ink .flist li{color:#93AABF}
.bg-ink .flist li::before{background:rgba(251,176,64,.16);box-shadow:inset 0 0 0 1px rgba(249,237,50,.5)}
.bg-ink .flist li::after{border-color:var(--gold-300)}
.bg-ink .flist li b{color:#fff}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff}
table.data{width:100%;border-collapse:collapse;font-size:.88rem;min-width:600px}
table.data th{
  text-align:left;padding:14px 18px;background:var(--paper-2);
  font-family:var(--f-mono);font-size:.7rem;letter-spacing:.11em;text-transform:uppercase;
  color:var(--slate-500);font-weight:500;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.data td{padding:14px 18px;border-bottom:1px solid var(--line-soft);vertical-align:top;color:var(--slate-600)}
table.data tbody tr:last-child td{border-bottom:0}
table.data tbody tr:hover{background:var(--paper-2)}
table.data td b,table.data td strong{color:var(--ink-800);font-weight:580}
table.data .mono{font-family:var(--f-mono);font-size:.82rem;color:var(--ink-700);white-space:nowrap}
table.data .num{text-align:right;font-family:var(--f-mono)}
.table-note{font-size:.78rem;color:var(--slate-400);margin-top:12px;line-height:1.5}

/* ---------- Callouts ---------- */
.callout{
  border-left:3px solid var(--gold-500);background:var(--gold-050);
  padding:20px 24px;border-radius:0 var(--r-md) var(--r-md) 0;margin:1.8rem 0;font-size:.93rem;
}
.callout h4{font-size:.78rem;font-family:var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--gold-700);margin-bottom:.5rem}
.callout p{color:var(--slate-600);margin-bottom:0}
.callout p+p{margin-top:.8em}
.callout-amber{border-color:var(--amber);background:var(--amber-050)}
.callout-amber h4{color:#8A5A0B}
.callout-violet{border-color:var(--violet);background:var(--violet-050)}
.callout-violet h4{color:#3F3FA8}
.callout-plain{border-color:var(--slate-300);background:var(--paper-2)}
.callout-plain h4{color:var(--slate-600)}

/* ---------- Mechanism pathway ---------- */
.pathway{display:grid;gap:0;counter-reset:step}
.path-step{
  display:grid;grid-template-columns:64px 1fr;gap:24px;padding:26px 0;
  border-top:1px solid var(--line);
}
.path-step:last-child{border-bottom:1px solid var(--line)}
.path-num{
  font-family:var(--f-mono);font-size:.72rem;color:var(--gold-600);letter-spacing:.1em;
  padding-top:4px;
}
.path-step h3{font-size:1.16rem;margin-bottom:.35rem}
.path-step p{font-size:.94rem;color:var(--slate-600);margin-bottom:0}
.path-step .tag-row{margin-top:12px}
@media(max-width:640px){.path-step{grid-template-columns:1fr;gap:8px}}

.tag-row{display:flex;flex-wrap:wrap;gap:7px}
.tag{
  display:inline-block;padding:4px 10px;border-radius:100px;font-family:var(--f-mono);
  font-size:.67rem;letter-spacing:.06em;background:var(--paper-3);color:var(--slate-600);
  border:1px solid var(--line);
}
.tag-gold{background:var(--gold-050);color:var(--gold-700);border-color:var(--gold-100)}

/* ---------- Accordion ---------- */
.acc{border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-q{
  width:100%;text-align:left;background:none;border:0;cursor:pointer;
  padding:22px 44px 22px 0;font-size:1.02rem;font-weight:560;color:var(--ink-800);
  position:relative;line-height:1.45;
}
.acc-q::after{
  content:"";position:absolute;right:8px;top:50%;width:11px;height:11px;
  border-right:1.6px solid var(--slate-400);border-bottom:1.6px solid var(--slate-400);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s var(--ease);
}
.acc-item.open .acc-q::after{transform:translateY(-25%) rotate(-135deg);border-color:var(--gold-600)}
.acc-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.acc-a-inner{padding:0 40px 24px 0;font-size:.95rem;color:var(--slate-600)}
.acc-a-inner p:last-child{margin-bottom:0}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink-900);color:#A9C0D2;position:relative;overflow:hidden;padding:clamp(56px,7vw,96px) 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(760px 400px at 50% 120%, rgba(251,176,64,.24), transparent 65%);
}
.cta-band .container{position:relative;z-index:2}
.cta-band h2{color:#fff}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:.8rem;font-weight:560;color:var(--ink-700);letter-spacing:.005em}
.field label .req{color:var(--rose)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-md);
  font-family:inherit;font-size:.93rem;color:var(--ink-800);background:#fff;
  transition:border-color .18s,box-shadow .18s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--gold-500);box-shadow:0 0 0 3px rgba(251,176,64,.18);
}
.field textarea{resize:vertical;min-height:110px}
.field .hint{font-size:.76rem;color:var(--slate-400)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.83rem;color:var(--slate-500);font-weight:400;letter-spacing:0}
.check input{width:16px;height:16px;margin-top:3px;flex:none;accent-color:var(--gold-600)}
@media(max-width:680px){.form-grid{grid-template-columns:1fr}}

.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:clamp(26px,4vw,44px);box-shadow:var(--shadow-2)}
.form-status{margin-top:16px;padding:13px 16px;border-radius:var(--r-md);font-size:.88rem;display:none}
.form-status.ok{display:block;background:var(--gold-050);color:var(--gold-700);border:1px solid var(--gold-100)}
.form-status.err{display:block;background:var(--rose-050);color:var(--rose);border:1px solid #F3D2D8}

/* ---------- Article / long form ---------- */
.article-layout{display:grid;grid-template-columns:240px 1fr;gap:clamp(32px,5vw,72px);align-items:start}
@media(max-width:1000px){.article-layout{grid-template-columns:1fr}.toc{display:none}}
.toc{position:sticky;top:100px}
.toc h4{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate-400);margin-bottom:14px}
.toc ul{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.toc a{display:block;padding:7px 0 7px 16px;font-size:.855rem;color:var(--slate-500);margin-left:-1px;border-left:1px solid transparent}
.toc a:hover{color:var(--ink-800)}
.toc a.active{color:var(--gold-700);border-left-color:var(--gold-500);font-weight:550}

.prose{max-width:76ch;font-size:1.045rem;line-height:1.72}
.prose h2{margin-top:2.6em;margin-bottom:.6em;font-size:clamp(1.55rem,2.6vw,2.15rem)}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:1.9em;margin-bottom:.5em;font-size:1.22rem}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.2em}
.prose li{margin-bottom:.55em;color:var(--slate-600)}
.prose li::marker{color:var(--gold-500)}
.prose p{color:var(--slate-600)}
.prose blockquote{
  margin:2rem 0;padding:4px 0 4px 26px;border-left:2px solid var(--gold-400);
  font-family:var(--f-display);font-size:1.32rem;line-height:1.4;color:var(--ink-700);
}
.prose blockquote cite{display:block;font-family:var(--f-body);font-size:.82rem;font-style:normal;color:var(--slate-400);margin-top:12px}
.prose .table-wrap,.prose .callout,.prose figure{margin-block:2rem}
.prose figure{margin-inline:0}
.prose figcaption{font-size:.8rem;color:var(--slate-400);margin-top:10px;line-height:1.5}
.prose sup a{font-family:var(--f-mono);font-size:.62em;padding:0 1px;color:var(--gold-600);text-decoration:none}

/* breadcrumbs */
.crumbs{font-size:.8rem;color:var(--slate-400);margin-bottom:1.4rem;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumbs a{color:var(--slate-500)}
.crumbs a:hover{color:var(--gold-600)}
.crumbs .sep{opacity:.45}

.page-head{padding:clamp(40px,5vw,68px) 0 clamp(28px,3vw,44px);border-bottom:1px solid var(--line)}
.page-head h1{max-width:22ch;margin-bottom:.6rem}
.page-head .lead{max-width:64ch}
.page-head-dark{background:var(--ink-900);border-bottom:0}

/* References */
.refs{margin-top:3.5rem;padding-top:2rem;border-top:1px solid var(--line)}
.refs h3{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate-400);font-weight:500;margin-bottom:1.2rem}
.refs ol{padding-left:1.4em;font-size:.83rem;line-height:1.6;color:var(--slate-500)}
.refs li{margin-bottom:.7em}
.refs a{word-break:break-all;overflow-wrap:anywhere}

/* ---------- Logo / trust strip ---------- */
.trust-strip{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center}
.trust-item{
  display:inline-flex;align-items:center;gap:9px;padding:11px 18px;border:1px solid var(--line);
  border-radius:100px;font-size:.815rem;font-weight:530;color:var(--slate-600);background:#fff;
}
.trust-item svg{width:15px;height:15px;color:var(--gold-500);flex:none}
.bg-ink .trust-item,.site-footer .trust-item,.cta-band .trust-item,.hero .trust-item,.page-head-dark .trust-item{
  background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.13);color:#B7CADA}

/* ---------- Comparison / grade cards ---------- */
.grade-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:1180px){.grade-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media(max-width:680px){.grade-grid{grid-template-columns:1fr}}
.grade-grid .grade{padding:26px 22px}
.grade-grid .grade h3{font-size:1.18rem}
.grade{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;background:#fff;
  display:flex;flex-direction:column;position:relative;transition:all .28s var(--ease);
}
.grade:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.grade.featured{border-color:var(--gold-400);box-shadow:0 0 0 1px var(--gold-400),var(--shadow-2)}
.grade-flag{
  position:absolute;top:-11px;left:30px;background:var(--gold-grad);color:var(--on-gold);
  font-family:var(--f-mono);font-size:.63rem;letter-spacing:.11em;text-transform:uppercase;
  padding:4px 11px;border-radius:100px;font-weight:600;
}
.grade-code{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.13em;color:var(--gold-600);text-transform:uppercase}
.grade h3{margin:10px 0 6px;font-size:1.28rem}
.grade .psd{font-family:var(--f-mono);font-size:.9rem;color:var(--ink-800);padding:12px 0;margin:14px 0;border-block:1px solid var(--line-soft)}
.grade .psd span{color:var(--slate-400);font-size:.72rem;display:block;letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px}
.grade .flist{flex:1}
.grade .btn{margin-top:20px;width:100%}

/* ---------- Application tiles ---------- */
.app-tile{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;background:#fff;
  transition:all .26s var(--ease);
}
.app-tile:hover{border-color:var(--gold-300);background:var(--gold-050)}
.app-tile .ico{width:34px;height:34px;color:var(--gold-600);margin-bottom:14px}
.app-tile h4{font-size:1rem;margin-bottom:.35rem}
.app-tile p{font-size:.87rem;color:var(--slate-500);margin:0}

/* ---------- Evidence rows ---------- */
.ev-row{
  display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.ev-score{
  font-family:var(--f-mono);font-size:1.5rem;color:var(--ink-900);
  min-width:78px;letter-spacing:-.02em;
}
.ev-score small{display:block;font-size:.6rem;letter-spacing:.1em;color:var(--slate-400);text-transform:uppercase;margin-top:2px}
.ev-row h4{margin-bottom:.2rem;font-size:1.02rem}
.ev-row p{font-size:.87rem;color:var(--slate-500);margin:0}
@media(max-width:700px){.ev-row{grid-template-columns:1fr;gap:10px}}

/* strength meter */
.meter{display:flex;gap:3px;align-items:center}
.meter i{width:15px;height:5px;border-radius:2px;background:var(--line);display:block}
.meter i.on{background:var(--gold-500)}
.meter-label{font-family:var(--f-mono);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-400);margin-left:8px}

/* ---------- Dosage calculator ---------- */
.calc{background:var(--ink-800);border-radius:var(--r-xl);padding:clamp(24px,3.5vw,38px);color:#A8BECF}
.calc h3{color:#fff}
.calc label{display:block;font-size:.78rem;font-family:var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--gold-300);margin-bottom:9px}
.calc select,.calc input{
  width:100%;padding:12px 14px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.05);color:#fff;font-family:inherit;font-size:.93rem;
}
.calc select option{background:var(--ink-800)}
.calc-out{
  margin-top:24px;padding:22px;border-radius:var(--r-lg);background:rgba(251,176,64,.12);
  border:1px solid rgba(249,237,50,.30);
}
.calc-out .big{font-family:var(--f-display);font-size:2.4rem;color:#fff;line-height:1;margin-bottom:8px}
.calc-out .big span{font-size:.9rem;font-family:var(--f-mono);color:var(--gold-300);margin-left:6px}
.calc-out p{font-size:.85rem;color:#8FA6BC;margin:0}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:#8299AE;padding:clamp(56px,6vw,84px) 0 0;font-size:.885rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr;gap:36px}
@media(max-width:1000px){.footer-grid{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
.site-footer h5{
  font-family:var(--f-mono);font-size:.67rem;letter-spacing:.15em;text-transform:uppercase;
  color:#6C859B;font-weight:500;margin-bottom:16px;
}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:9px}
.site-footer a{color:#A6BCCF}
.site-footer a:hover{color:var(--gold-300)}
.footer-brand img{height:52px;width:auto;margin-bottom:4px}
.footer-brand p{margin-top:16px;color:#7891A6;font-size:.86rem;max-width:34ch}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.09);padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.78rem;color:#66809A;
}
.footer-legal{
  border-top:1px solid rgba(255,255,255,.09);padding:22px 0;font-size:.735rem;
  color:#5B7590;line-height:1.6;max-width:100ch;
}

/* ---------- Utilities ---------- */
/* Reveal only when JS is available, so content is never hidden without it. */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.mono{font-family:var(--f-mono)}
.nowrap{white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.divider-label{display:flex;align-items:center;gap:16px;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--slate-400);margin-bottom:24px}
.divider-label::after{content:"";flex:1;height:1px;background:var(--line)}

.to-top{
  position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;
  background:var(--ink-800);color:#fff;border:0;cursor:pointer;display:grid;place-items:center;
  opacity:0;visibility:hidden;transition:all .28s var(--ease);z-index:150;box-shadow:var(--shadow-2);
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--gold-600)}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}

/* print */
@media print{
  .site-header,.topbar,.site-footer,.to-top,.cta-band{display:none}
  body{font-size:11pt;color:#000}
}

/* ---------- WhatsApp / Call buttons ---------- */
.btn-wa{background:#25D366;color:#04231D;font-weight:600;border-color:#25D366}
.btn-wa:hover{background:#1FBE59;color:#04231D;transform:translateY(-1px);box-shadow:0 8px 22px rgba(37,211,102,.32)}
.btn-wa svg{width:16px;height:16px}
.btn-wa:hover svg,.btn-ghost:hover svg{transform:none}

.nav-call{font-family:var(--f-mono);font-size:.8rem!important;letter-spacing:-.01em}
.nav-call svg{width:14px;height:14px}
@media(max-width:1240px){.nav-call{display:none}}

/* ---------- Parent company credit ---------- */
.parent-credit{display:block;margin-top:20px}
.parent-credit-label{
  display:block;font-family:var(--f-mono);font-size:.62rem;letter-spacing:.18em;
  text-transform:uppercase;color:#63809A;margin-bottom:9px;
}
.parent-credit img{height:40px;width:auto;opacity:.92;transition:opacity .2s var(--ease)}
.parent-credit:hover img{opacity:1}