/* ==========================================================================
   AURA BIOSCIENCE — Brand Design System
   Aesthetic anchor: the vial. Clear glass, brushed-silver cap, warm cream
   label, botanical leaf mark. Near-monochrome cream + silver + warm charcoal,
   with a whisper of sage. Nothing loud.
   ========================================================================== */

:root {
  /* --- Canvas & surfaces --- */
  --canvas:      #F6F3EC;   /* warm oat page background */
  --canvas-2:    #EFEBE1;   /* alternating section band */
  --paper:       #FCFAF5;   /* cards / raised surfaces */
  --label:       #ECE6D6;   /* the cream vial-label tone */
  --label-edge:  #DCD4C0;

  /* --- Ink --- */
  --ink:         #23201B;   /* warm near-black */
  --ink-soft:    #5A544B;   /* secondary text */
  --ink-faint:   #928B7E;   /* captions, meta */
  --hairline:    #E2DCCE;   /* borders on cream */
  --hairline-2:  #D6CFBE;

  /* --- Silver (caps, chips) --- */
  --silver-hi:   #F3F4F5;
  --silver:      #C9CDD1;
  --silver-lo:   #9AA0A5;
  --silver-edge: #85898D;

  /* --- Signature: a whisper of sage --- */
  --sage:        #7E8C74;
  --sage-deep:   #5E6B55;
  --sage-tint:   #E7EAE0;

  /* --- Accents for state --- */
  --gold:        #B79A5C;   /* subtle premium accent */
  --verify:      #4F7A55;   /* COA / verified green */
  --warn:        #B06A3C;   /* gated / high-risk */

  /* --- Type --- */
  --display: 'Jost', 'Century Gothic', sans-serif;
  --body:    'Inter', system-ui, -apple-system, sans-serif;
  --serif:   'Cormorant Garamond', Georgia, serif;

  /* --- Rhythm --- */
  --r-sm: 8px;
  --r:    14px;
  --r-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(35,32,27,.05), 0 2px 8px rgba(35,32,27,.04);
  --shadow:    0 4px 16px rgba(35,32,27,.07), 0 12px 40px rgba(35,32,27,.06);
  --shadow-lg: 0 12px 48px rgba(35,32,27,.12);
  --maxw: 1200px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* --- Type scale --- */
h1, h2, h3, h4 { font-family: var(--display); font-weight: 400; line-height: 1.08; margin: 0; letter-spacing: -.01em; }
.display-xl { font-size: clamp(2.6rem, 6vw, 4.6rem); font-weight: 300; letter-spacing: -.02em; }
.display-l  { font-size: clamp(2rem, 4vw, 3.1rem); font-weight: 300; }
.display-m  { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
.eyebrow {
  font-family: var(--body); font-size: .72rem; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase; color: var(--sage-deep);
}
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--ink-soft); font-weight: 400; }
.meta { font-size: .8rem; color: var(--ink-faint); letter-spacing: .01em; }

/* --- Wordmark --- */
.wordmark { display: inline-flex; align-items: center; gap: .55rem; }
.wordmark .mark { width: 26px; height: 26px; flex: none; }
.wordmark .name {
  font-family: var(--display); font-weight: 400; font-size: 1.28rem;
  letter-spacing: .16em; color: var(--ink);
}
.wordmark .name b { font-weight: 500; }
.wordmark .sub {
  display: block; font-family: var(--body); font-size: .52rem; font-weight: 600;
  letter-spacing: .42em; color: var(--ink-faint); margin-top: 1px; text-transform: uppercase;
}

/* --- Layout --- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.2rem, 4vw, 2.5rem); }
.section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; }
.band { background: var(--canvas-2); }
.stack > * + * { margin-top: 1rem; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.6rem; border-radius: 999px; border: 1px solid transparent;
  font-size: .92rem; font-weight: 500; letter-spacing: .01em;
  transition: transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: var(--ink); color: var(--canvas); }
.btn-primary:hover { background: #34302a; box-shadow: var(--shadow); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--hairline-2); }
.btn-ghost:hover { background: var(--paper); border-color: var(--ink-faint); }
.btn-sage { background: var(--sage-deep); color: #fff; }
.btn-sage:hover { background: #4d5a45; }
.btn-block { width: 100%; }

/* --- Chips / badges --- */
.chip {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .3rem .7rem; border-radius: 999px; font-size: .72rem; font-weight: 600;
  letter-spacing: .04em; background: var(--paper); border: 1px solid var(--hairline);
  color: var(--ink-soft);
}
.chip-verify { color: var(--verify); border-color: #CBDCCB; background: #F1F6F0; }
.chip-silver {
  background: linear-gradient(135deg, var(--silver-hi), var(--silver));
  color: #3c4043; border-color: var(--silver-lo);
}
.chip-warn { color: var(--warn); border-color: #E6CBB6; background: #F8EEE4; }

/* --- Header --- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--canvas) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--hairline);
}
.site-header .bar { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav { display: flex; align-items: center; gap: 1.8rem; }
.nav a { font-size: .9rem; color: var(--ink-soft); transition: color .2s; }
.nav a:hover { color: var(--ink); }
.header-actions { display: flex; align-items: center; gap: 1rem; }
.icon-btn {
  position: relative; width: 42px; height: 42px; border-radius: 999px;
  border: 1px solid var(--hairline-2); background: var(--paper);
  display: grid; place-items: center; transition: border-color .2s, background .2s;
}
.icon-btn:hover { border-color: var(--ink-faint); }
.cart-count {
  position: absolute; top: -6px; right: -6px; min-width: 20px; height: 20px; padding: 0 5px;
  border-radius: 999px; background: var(--sage-deep); color: #fff; font-size: .68rem;
  font-weight: 700; display: grid; place-items: center; opacity: 0; transform: scale(.6);
  transition: opacity .2s, transform .2s var(--ease);
}
.cart-count.show { opacity: 1; transform: scale(1); }

/* --- Vial SVG sizing --- */
.vial { display: block; width: 100%; height: auto; }

/* --- Product card --- */
.grid { display: grid; gap: 1.4rem; }
.grid-products { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.card {
  position: relative; background: var(--paper); border: 1px solid var(--hairline);
  border-radius: var(--r-lg); padding: 1.4rem 1.4rem 1.5rem; overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--hairline-2); }
.card .vialbox {
  background: radial-gradient(120% 90% at 50% 12%, #fff 0%, var(--label) 60%, var(--canvas-2) 100%);
  border-radius: var(--r); padding: 1.2rem; margin: -.3rem -.3rem 1.1rem;
  aspect-ratio: 1/1; display: grid; place-items: center;
}
.card .vialbox .vial { max-height: 100%; width: auto; }
/* Photographic product tiles: image fills the well edge-to-edge (its own studio bg becomes the tile) */
.vialbox.photo { padding: 0; overflow: hidden; }
.vialbox.photo img.vial { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb.photo { padding: 0; overflow: hidden; }
.thumb.photo img.vial { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.pdp-media { border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 4/5; background: #e9e6df; display: grid; place-items: center; }
.pdp-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card h3 { font-size: 1.15rem; letter-spacing: 0; }
.card .sub { font-size: .82rem; color: var(--ink-faint); margin-top: .15rem; }
.card .cardmeta { display: flex; align-items: center; gap: .5rem; margin-top: .7rem; flex-wrap: wrap; }
.card .price { font-family: var(--display); font-size: 1.25rem; }
.card .price .from { font-size: .72rem; color: var(--ink-faint); font-family: var(--body); }
.card .cardfoot { margin-top: auto; padding-top: 1.1rem; display: flex; align-items: center; justify-content: space-between; gap: .8rem; }
.card-tag {
  position: absolute; top: 1rem; left: 1rem; z-index: 2;
  font-size: .64rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  padding: .28rem .6rem; border-radius: 999px; background: var(--ink); color: var(--canvas);
}
.card-tag.sage { background: var(--sage-deep); }
.card-tag.gold { background: var(--gold); color: #2a2413; }

/* --- Cart drawer --- */
.scrim {
  position: fixed; inset: 0; background: rgba(35,32,27,.34); backdrop-filter: blur(3px);
  opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; z-index: 90;
}
.scrim.open { opacity: 1; visibility: visible; }
.drawer {
  position: fixed; top: 0; right: 0; height: 100dvh; width: min(420px, 92vw);
  background: var(--canvas); box-shadow: var(--shadow-lg); z-index: 100;
  transform: translateX(100%); transition: transform .4s var(--ease);
  display: flex; flex-direction: column;
}
.drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 1.3rem 1.4rem; border-bottom: 1px solid var(--hairline); }
.drawer-body { flex: 1; overflow-y: auto; padding: 1rem 1.4rem; }
.drawer-foot { border-top: 1px solid var(--hairline); padding: 1.3rem 1.4rem; background: var(--paper); }
.line { display: flex; gap: .9rem; padding: .9rem 0; border-bottom: 1px solid var(--hairline); }
.line .thumb { width: 62px; height: 62px; border-radius: 10px; background: var(--label); flex: none; display: grid; place-items: center; }
.line .thumb .vial { max-height: 52px; width: auto; }
.line .lname { font-weight: 600; font-size: .92rem; }
.line .lsub { font-size: .76rem; color: var(--ink-faint); }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--hairline-2); border-radius: 999px; overflow: hidden; }
.qty button { width: 28px; height: 28px; background: transparent; border: none; font-size: 1rem; color: var(--ink-soft); }
.qty button:hover { background: var(--label); }
.qty span { min-width: 26px; text-align: center; font-size: .85rem; font-weight: 600; }
.link-x { background: none; border: none; color: var(--ink-faint); font-size: .76rem; text-decoration: underline; padding: 0; }

/* --- Footer --- */
.site-footer { background: var(--ink); color: #D9D3C7; padding: clamp(3rem,6vw,4.5rem) 0 2rem; }
.site-footer a { color: #D9D3C7; opacity: .8; }
.site-footer a:hover { opacity: 1; }
.site-footer .cols { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2rem; }
.site-footer h4 { font-family: var(--body); font-size: .75rem; letter-spacing: .16em; text-transform: uppercase; color: #8f887a; margin-bottom: 1rem; }
.site-footer .flink { display: block; font-size: .9rem; padding: .28rem 0; }
.ruo-strip { background: #14120F; color: #8f887a; font-size: .72rem; padding: .8rem 0; text-align: center; letter-spacing: .02em; }

/* --- Utility --- */
.center { text-align: center; }
.muted { color: var(--ink-soft); }
.divider { height: 1px; background: var(--hairline); border: 0; margin: 0; }
.pillrow { display: flex; gap: .5rem; flex-wrap: wrap; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 860px) {
  .nav { display: none; }
  .site-footer .cols { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}