/* VYL3 — design system
   Archivo: headings / UI.  Inter: body copy.  IBM Plex Mono: labels, prices, data. */

:root{
  --bg: #faf9f6;
  --panel: #ffffff;
  --ink: #16181c;
  --ink-soft: #565a62;
  --ink-faint: #93979e;
  --line: #e6e3da;
  --line-soft: #efece4;
  --accent: #3a5240;
  --accent-soft: #eef1ea;
  --dark: #14161a;
  --dark-2: #23262c;
  --radius: 3px;
  --wrap: 1160px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3{
  font-family: 'Archivo', system-ui, sans-serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--ink);
}
h1{ font-size: clamp(32px, 5vw, 52px); }
h2{ font-size: clamp(24px, 3.2vw, 34px); }
h3{ font-size: 19px; margin-bottom: 8px; }
p{ margin: 0 0 14px; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0 0 14px; padding-left: 20px; }
li{ margin-bottom: 8px; }
strong{ font-weight: 500; color: var(--ink); }
figure{ margin: 0; }

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 10px;
}

.crumb{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 14px;
}
.crumb a{ color: var(--ink-faint); }
.crumb a:hover{ color: var(--ink); }

.lede{
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 640px;
}

.viewall{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--accent);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}
.viewall:hover{ opacity: 0.7; }

section{ padding: 88px 0; }
.narrow{ max-width: 720px; }
.prose h2{ margin-top: 40px; }
.prose h2:first-child{ margin-top: 0; }
.prose p{ color: var(--ink-soft); }

/* Reveal-on-scroll */
.reveal{ opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in{ opacity: 1; transform: translateY(0); }

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: 'Archivo', sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}
.btn:hover{ opacity: 0.75; }
.btn.solid{ background: var(--ink); color: #fff; }
.btn.solid:hover{ background: var(--accent); border-color: var(--accent); opacity: 1; }
.btn.ghost{ border-color: var(--line); }
.btn.light{ background: #fff; color: var(--ink); border-color: #fff; }
.btn.atc{ width: 100%; }

/* ===== Header ===== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(250,249,246,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo{
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.04em;
}
.logo.light{ color: #fff; }
.nav{
  display: flex;
  gap: 32px;
}
.nav a{
  font-size: 14px;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}
.nav a:hover, .nav a[aria-current="page"]{ color: var(--ink); }
.header-actions{
  display: flex;
  align-items: center;
  gap: 18px;
}
.icon-link{
  position: relative;
  display: inline-flex;
  color: var(--ink);
}
.cart-count{
  position: absolute;
  top: -8px;
  right: -10px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  line-height: 16px;
  text-align: center;
}
.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span{
  display: block;
  height: 1px;
  background: var(--ink);
}

/* ===== Footer ===== */
.site-footer{
  background: var(--dark);
  color: #cfd1d4;
  margin-top: 96px;
}
.footer-inner{
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 72px 28px 48px;
}
.footer-col{ display: flex; flex-direction: column; gap: 12px; }
.footer-note{ color: #8a8d93; font-size: 14px; max-width: 260px; }
.footer-head{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #7d8086;
  margin: 0 0 4px;
}
.footer-col a{ font-size: 14px; color: #cfd1d4; }
.footer-col a:hover{ color: #fff; }
.footer-legal{
  border-top: 1px solid #2c2f35;
  padding: 22px 28px 32px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  font-size: 12px;
  color: #71747a;
}
.footer-legal p{ margin: 0; max-width: 560px; }

/* ===== Hero ===== */
.hero{
  position: relative;
  background: var(--dark);
  color: #fff;
  overflow: hidden;
}
.hero-inner{
  position: relative;
  z-index: 1;
  padding: 140px 28px 120px;
  max-width: 720px;
}
.hero .eyebrow{ color: #9fb3a2; }
.hero h1{ color: #fff; }
.hero-cta{ display: flex; align-items: center; gap: 28px; margin-top: 32px; flex-wrap: wrap; }
.hero-cta .ghost{ border-color: transparent; color: #cfd1d4; padding-left: 0; }
.hero-cta .ghost:hover{ color: #fff; }
.vial{
  position: absolute;
  top: -20%;
  right: -8%;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #4a6a4e, transparent 60%),
              radial-gradient(circle at 65% 70%, #23262c, transparent 55%);
  opacity: 0.85;
  filter: blur(4px);
}

/* ===== Batch register / ledger ===== */
.ledger{ background: var(--panel); border-bottom: 1px solid var(--line); padding: 56px 0; }
.ledger-head{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 20px;
}
.ledger-head .eyebrow{ margin: 0; }
.ledger-head span{ font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--ink-faint); }
.table-scroll{ overflow-x: auto; }
table{ width: 100%; border-collapse: collapse; min-width: 640px; }
th, td{
  text-align: left;
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
th{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 400;
}
td{ font-family: 'IBM Plex Mono', monospace; color: var(--ink); }
td.pass{ color: var(--accent); }
td.pass::before{ content: "● "; font-size: 9px; }
td a{ font-family: 'Inter', sans-serif; color: var(--accent); border-bottom: 1px solid currentColor; }
.ledger-note{ margin: 20px 0 0; font-size: 13px; color: var(--ink-faint); max-width: 680px; }

/* ===== Grids / cards ===== */
.sec-head{
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 24px;
}
.sec-head .eyebrow{ margin-bottom: 6px; }
.sec-head h2{ margin: 0; }

.grid4{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid3{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

.card{
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 16px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover{ border-color: var(--ink); transform: translateY(-3px); }
.card-media{
  aspect-ratio: 1;
  border-radius: 2px;
  margin-bottom: 16px;
}
.card-compound{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 4px;
}
.card h3{ margin-bottom: 6px; }
.card-price{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0;
}

/* Swatches — shared by cards, gallery, thumbs, cart line figures */
.c1{ background: linear-gradient(155deg, #e7c9a5, #b9884f); }
.c2{ background: linear-gradient(155deg, #b9c6d8, #5f7896); }
.c3{ background: linear-gradient(155deg, #e6c3c9, #b26478); }
.c4{ background: linear-gradient(155deg, #bcdad4, #4f8b83); }

/* ===== Outcomes ===== */
.outcomes{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.outcome{
  background: var(--panel);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: background 0.2s ease;
}
.outcome:hover{ background: var(--accent-soft); }
.outcome p{ color: var(--ink-soft); margin: 0; font-size: 14px; }
.outcome span{
  margin-top: 14px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--accent);
}

/* ===== Standards ===== */
.standards{ background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.standards h2{ max-width: 520px; margin-bottom: 40px; }
.std{ border-top: 1px solid var(--line); padding-top: 20px; }
.std .num{
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ink-faint);
  margin-bottom: 14px;
}
.std p{ color: var(--ink-soft); font-size: 14px; margin: 0; }

/* ===== Split ===== */
.split{ display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split figure{
  aspect-ratio: 4/5;
  border-radius: var(--radius);
  background: linear-gradient(155deg, #e3e0d6, #c7c2b3);
}
.split .prose p:last-child{ margin-bottom: 0; }

/* ===== Reviews ===== */
.reviews{ background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.quote{ display: flex; flex-direction: column; gap: 12px; }
.stars{ color: var(--accent); letter-spacing: 2px; margin: 0; font-size: 13px; }
.quote p:not(.stars){ font-size: 16px; color: var(--ink); margin: 0; }
.quote cite{
  font-style: normal;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ink-faint);
}

/* ===== Signup ===== */
.signup{
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: center;
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 56px;
}
.signup p{ color: var(--ink-soft); margin: 0; }
.signup h2{ margin-bottom: 10px; }
.field{ display: flex; gap: 0; }
.field input{
  flex: 1;
  border: 1px solid var(--line);
  border-right: none;
  background: #fff;
  padding: 14px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  border-radius: var(--radius) 0 0 var(--radius);
}
.field input:focus{ outline: none; border-color: var(--ink); }
.field button{
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  padding: 0 22px;
  font-family: 'Archivo', sans-serif;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.field button:hover{ background: var(--accent); }

/* ===== Page head ===== */
.page-head{ padding: 56px 28px 0; }
.page-head h1{ margin-bottom: 14px; }

/* ===== Variant / filter pills ===== */
.variants{ display: flex; gap: 10px; flex-wrap: wrap; }
.variant{
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.15s ease;
}
.variant:hover{ border-color: var(--ink); }
.variant[aria-pressed="true"]{ background: var(--ink); border-color: var(--ink); color: #fff; }
[data-count]{ font-family: 'IBM Plex Mono', monospace; color: var(--ink-faint); }

/* ===== PDP ===== */
.pdp{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  padding: 48px 0 96px;
}
.gallery-main{
  aspect-ratio: 1;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.vial-sm{
  width: 72px;
  height: 140px;
  border-radius: 8px 8px 20px 20px;
  background: rgba(255,255,255,0.35);
  border: 1px solid rgba(255,255,255,0.5);
}
.thumbs{ display: flex; gap: 10px; }
.thumb{
  width: 64px;
  height: 64px;
  border-radius: 2px;
  cursor: pointer;
  border: 1px solid transparent;
  opacity: 0.7;
  transition: opacity 0.15s ease, border-color 0.15s ease;
}
.thumb:hover{ opacity: 1; }
.thumb[aria-selected="true"]{ opacity: 1; border-color: var(--ink); }

.compound{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 8px;
}
.pdp h1{ margin-bottom: 12px; }
.price{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 24px;
  color: var(--ink);
  margin: 0 0 16px;
}
.desc{ color: var(--ink-soft); max-width: 480px; }

.qty{
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin: 20px 0;
}
.qty button{
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  font-size: 16px;
  cursor: pointer;
  color: var(--ink);
}
.qty button:hover{ background: var(--accent-soft); }
.qty span{ min-width: 32px; text-align: center; font-family: 'IBM Plex Mono', monospace; }

.stock{
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--ink-soft);
}
.stock .dot{ width: 7px; height: 7px; border-radius: 50%; background: var(--accent); display: inline-block; }

/* Accordion */
.acc{ margin-top: 36px; border-top: 1px solid var(--line); }
.acc details, .faq details{ border-bottom: 1px solid var(--line); }
.acc summary, .faq summary{
  list-style: none;
  cursor: pointer;
  padding: 18px 0;
  font-family: 'Archivo', sans-serif;
  font-weight: 500;
  font-size: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.acc summary::-webkit-details-marker, .faq summary::-webkit-details-marker{ display: none; }
.acc summary::after, .faq summary::after{
  content: "+";
  font-family: 'Inter', sans-serif;
  font-size: 18px;
  color: var(--ink-faint);
  transition: transform 0.2s ease;
}
details[open] summary::after{ content: "−"; }
.acc .body, .faq .body{ padding: 0 0 20px; color: var(--ink-soft); font-size: 14px; }
.acc dl{ display: grid; grid-template-columns: max-content 1fr; gap: 8px 24px; margin: 0; }
.acc dt{ font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.04em; }
.acc dd{ margin: 0; font-size: 14px; color: var(--ink); }

.faq{ display: block; }

/* ===== Cart ===== */
.cart-grid{
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 56px;
  padding: 48px 0;
  align-items: start;
}
.line{
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 20px;
  align-items: start;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.line figure{ width: 96px; height: 96px; border-radius: 2px; }
.line h3{ margin: 0 0 4px; font-size: 16px; }
.line .meta{ font-size: 13px; color: var(--ink-faint); margin: 0; }
.line .remove{
  margin-top: 12px;
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  color: var(--ink-faint);
  text-decoration: underline;
  cursor: pointer;
}
.line .remove:hover{ color: var(--ink); }
.lineprice{ font-family: 'IBM Plex Mono', monospace; font-size: 15px; margin: 0; }

.summary{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--panel);
}
.summary h2{ font-size: 18px; margin-bottom: 20px; }
.srow{
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--ink-soft);
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
}
.srow.total{
  border-bottom: none;
  border-top: 1px solid var(--line);
  margin-top: 8px;
  padding-top: 16px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 16px;
  color: var(--ink);
}
.summary .note{ font-size: 12px; color: var(--ink-faint); margin-top: 16px; margin-bottom: 0; }

.empty{
  text-align: center;
  padding: 80px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.empty p:not(.eyebrow){ color: var(--ink-soft); }

/* ===== Forms ===== */
.form-card{
  max-width: 440px;
  margin: 48px auto;
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}
.form-card h1{ font-size: 26px; text-align: center; }
.form-card .sub{ text-align: center; color: var(--ink-soft); font-size: 14px; margin-bottom: 28px; }
.tabs{ display: flex; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
.tab{
  flex: 1;
  background: none;
  border: none;
  padding: 12px 0;
  font-family: 'Archivo', sans-serif;
  font-size: 14px;
  color: var(--ink-faint);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab[aria-selected="true"]{ color: var(--ink); border-color: var(--ink); }

.lbl{
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 16px 0 6px;
}
.inp{
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--ink);
}
.inp:focus{ outline: none; border-color: var(--ink); }
textarea.inp{ min-height: 120px; resize: vertical; }
.form-card .btn{ width: 100%; margin-top: 24px; }
.note{ font-size: 13px; color: var(--ink-faint); margin-top: 16px; }

table.orders td, table.orders th{ white-space: normal; }

/* ===== Responsive ===== */
@media (max-width: 900px){
  .grid4{ grid-template-columns: repeat(2, 1fr); }
  .grid3{ grid-template-columns: 1fr; gap: 24px; }
  .outcomes{ grid-template-columns: repeat(2, 1fr); }
  .split{ grid-template-columns: 1fr; gap: 32px; }
  .split figure{ order: -1; }
  .signup{ grid-template-columns: 1fr; padding: 36px 28px; }
  .pdp{ grid-template-columns: 1fr; gap: 32px; }
  .cart-grid{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr 1fr; }
  .nav{
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 8px 28px;
    display: none;
  }
  .nav.open{ display: flex; }
  .nav a{ padding: 12px 0; border-bottom: 1px solid var(--line-soft); }
  .nav a:last-child{ border-bottom: none; }
  .nav-toggle{ display: flex; }
}

@media (max-width: 600px){
  section{ padding: 56px 0; }
  .grid4{ grid-template-columns: 1fr 1fr; gap: 14px; }
  .outcomes{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr; }
  .footer-legal{ flex-direction: column; }
  .line{ grid-template-columns: 72px 1fr; }
  .line figure{ width: 72px; height: 72px; }
  .lineprice{ grid-column: 2; }
  .hero-inner{ padding: 100px 24px 80px; }
  .vial{ width: 380px; height: 380px; }
}