/* ============================================================
   THRIVECORE — Research Peptides
   Draft marketing site · drafts/website/
   Design system: premium clinical. Deep ink + light blue
   + copper accent (mint tokens now hold light-blue values). Space Grotesk (display) / Inter (body).
   RUO brand — imagery is vials/lab only, copy is compliance-safe.
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* surfaces */
  --ink:      #0A0F1C;   /* near-black navy */
  --ink-2:    #0E1426;
  --ink-3:    #141C32;
  --paper:    #F5F7FA;   /* light page bg */
  --paper-2:  #FFFFFF;
  --mist:     #E5E9F0;   /* hairline borders */
  --mist-2:   #EEF1F6;

  /* text */
  --text:     #131A28;
  --text-2:   #43506A;
  --muted:    #6B7689;
  --on-ink:   #EAEEF6;
  --on-ink-2: #9BA8BE;

  /* accents */
  --mint:     #3FA3E8;   /* primary — lab / clean */
  --mint-2:   #1F82C8;
  --mint-ink: #062338;
  --copper:   #C8924A;   /* secondary — premium / Cu */
  --copper-2: #A8762F;

  /* effects */
  --glow:     rgba(63, 163, 232, .45);
  --shadow-sm: 0 1px 2px rgba(12,18,32,.06), 0 2px 8px rgba(12,18,32,.05);
  --shadow:    0 8px 30px rgba(12,18,32,.10);
  --shadow-lg: 0 30px 70px rgba(8,12,24,.28);

  /* geometry */
  --r-sm: 10px;
  --r:    16px;
  --r-lg: 24px;
  --r-pill: 999px;
  --maxw: 1180px;
  --gut: clamp(20px, 5vw, 56px);

  /* type */
  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.08; letter-spacing: -0.02em; }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 4px; }

/* ---------- Layout helpers ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
.section { padding-block: clamp(64px, 9vw, 128px); }
.eyebrow {
  font-family: var(--font-display);
  font-size: .78rem; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--mint-2);
  display: inline-flex; align-items: center; gap: .6em;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--mint); border-radius: 2px; }
.eyebrow.on-ink { color: var(--mint); }
h2.h-xl { font-size: clamp(2rem, 4.6vw, 3.35rem); }
.lede { font-size: clamp(1.02rem, 1.6vw, 1.2rem); color: var(--text-2); max-width: 56ch; }
.center { text-align: center; }
.center .lede, .center .eyebrow { margin-inline: auto; }
.center .eyebrow { justify-content: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55em;
  font-family: var(--font-display); font-weight: 500; font-size: .96rem;
  letter-spacing: .01em;
  padding: .85em 1.5em; border-radius: var(--r-pill);
  transition: transform .18s ease, box-shadow .25s ease, background .25s ease, color .2s ease;
  white-space: nowrap;
}
.btn svg { width: 1.1em; height: 1.1em; }
.btn-primary { background: var(--mint); color: var(--mint-ink); box-shadow: 0 8px 24px -8px var(--glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -8px var(--glow); background: #5FB5F2; }
.btn-dark { background: var(--ink); color: var(--on-ink); }
.btn-dark:hover { transform: translateY(-2px); background: var(--ink-3); }
.btn-ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1.5px var(--mist); }
.btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--text); transform: translateY(-2px); }
.btn-ghost.on-ink { color: var(--on-ink); box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.22); }
.btn-ghost.on-ink:hover { box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.5); }
.btn-lg { padding: 1.02em 1.8em; font-size: 1.02rem; }
.btn-sm { padding: .55em .95em; font-size: .82rem; }
.link-arrow { font-family: var(--font-display); font-weight: 500; color: var(--mint-2); display: inline-flex; align-items: center; gap: .4em; }
.link-arrow svg { width: 1em; height: 1em; transition: transform .2s ease; }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- Pills / badges / chips ---------- */
.tag {
  display: inline-flex; align-items: center; gap: .45em;
  font-family: var(--font-display); font-size: .72rem; font-weight: 500;
  letter-spacing: .04em; text-transform: uppercase;
  padding: .4em .8em; border-radius: var(--r-pill);
}
.tag-mint { background: rgba(63,163,232,.12); color: var(--mint-2); }
.tag-copper { background: rgba(200,146,74,.14); color: var(--copper-2); }
.tag-ink { background: rgba(19,26,40,.06); color: var(--text-2); }
.tag .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ============================================================
   RUO ribbon (top utility bar)
   ============================================================ */
.ruo-ribbon {
  display: block;
  background: var(--ink);
  color: var(--on-ink-2);
  font-size: .76rem; letter-spacing: .02em;
  text-align: center;
  padding: 7px var(--gut);
  border-bottom: 1px solid rgba(255,255,255,.06);
  text-decoration: none;
}
.ruo-ribbon:hover { color: var(--mint); text-decoration: underline; text-underline-offset: 2px; }
.ruo-ribbon strong { color: var(--mint); font-weight: 500; }

/* ============================================================
   Header / nav
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245,247,250,.82);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.site-header.scrolled { border-bottom-color: var(--mist); }
.nav { display: flex; align-items: center; gap: 2rem; height: 70px; }
.brand { display: inline-flex; align-items: center; gap: .6em; font-family: var(--font-display); }
.brand .mark { width: 30px; height: 30px; flex: none; }
.brand .word { font-weight: 600; font-size: 1.12rem; letter-spacing: .18em; }
.brand .word b { color: var(--mint-2); font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: 1.65rem; margin-left: auto; }
.nav-links a { font-size: .92rem; color: var(--text-2); font-weight: 500; transition: color .2s ease; position: relative; }
.nav-links a:hover { color: var(--text); }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0; background: var(--mint); border-radius: 2px; transition: width .22s ease; }
.nav-links a:hover::after { width: 100%; }
.nav-cta { margin-left: .4rem; }
.cart-badge { display: inline-flex; align-items: center; gap: .4em; }
.cart-badge svg { width: 1.05em; height: 1.05em; flex: none; }
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: var(--r-sm); margin-left: auto; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.nav-toggle span { width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .25s ease, opacity .2s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   Hero
   ============================================================ */
.hero { position: relative; background: var(--ink); color: var(--on-ink); overflow: hidden; }
.hero::after { /* mint glow */
  content: ""; position: absolute; width: 60vw; height: 60vw; right: -18vw; top: -22vw;
  background: radial-gradient(circle, var(--glow), transparent 62%); opacity: .5; pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px, 4vw, 64px);
  align-items: center; padding-block: clamp(56px, 8vw, 104px); position: relative; z-index: 1;
}
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); letter-spacing: -0.035em; }
.hero h1 .accent { color: var(--mint); }
.hero .lede { color: var(--on-ink-2); margin-top: 1.3rem; font-size: clamp(1.05rem, 1.7vw, 1.28rem); max-width: 50ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.1rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 1.5rem 2rem; margin-top: 2.6rem; padding-top: 1.8rem; border-top: 1px solid rgba(255,255,255,.1); }
.hero-meta .stat .n { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; color: #fff; display: flex; align-items: baseline; gap: .2em; }
.hero-meta .stat .n small { font-size: .9rem; color: var(--mint); }
.hero-meta .stat .l { font-size: .8rem; color: var(--on-ink-2); margin-top: .1rem; }

.hero-visual { position: relative; }
.hero-visual .photo {
  border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 4/5;
  box-shadow: var(--shadow-lg); position: relative;
  border: 1px solid rgba(255,255,255,.08);
}
.hero-visual .photo img { width: 100%; height: 100%; object-fit: cover; }
.hero-visual .photo::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, transparent 55%, rgba(10,15,28,.55)); }
.float-card {
  position: absolute; background: rgba(14,20,38,.72); backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.12); border-radius: var(--r);
  padding: .9rem 1.1rem; box-shadow: var(--shadow);
  display: flex; align-items: center; gap: .75rem;
  text-decoration: none; transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.float-card:hover { transform: translateY(-3px); border-color: rgba(63,163,232,.55); background: rgba(14,20,38,.9); }
.float-card .ic { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: rgba(63,163,232,.16); color: var(--mint); flex: none; }
.float-card .ic svg { width: 20px; height: 20px; }
.float-card .t { font-family: var(--font-display); font-weight: 600; font-size: .9rem; color: #fff; }
.float-card .s { font-size: .74rem; color: var(--on-ink-2); }
.float-card.a { left: -26px; top: 18%; }
.float-card.b { right: -22px; bottom: 14%; }

/* ============================================================
   Trust strip
   ============================================================ */
.trust { background: var(--paper-2); border-block: 1px solid var(--mist); }
.trust-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.2rem 2rem; padding-block: 1.4rem; align-items: center; }
.trust-item { display: inline-flex; align-items: center; gap: .6rem; color: var(--text-2); font-family: var(--font-display); font-weight: 500; font-size: .9rem; }
.trust-item svg { width: 20px; height: 20px; color: var(--mint-2); flex: none; }

/* ============================================================
   Product / catalog cards
   ============================================================ */
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; flex-wrap: wrap; margin-bottom: clamp(28px, 4vw, 52px); }
.sec-head .lede { margin-top: .9rem; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: clamp(18px, 2.4vw, 30px); }
.p-card {
  background: var(--paper-2); border: 1px solid var(--mist); border-radius: var(--r-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .25s ease, box-shadow .3s ease, border-color .3s ease;
}
.p-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: #d4dae6; }
.p-card .media { position: relative; aspect-ratio: 1/1; overflow: hidden; background: linear-gradient(135deg, var(--ink-2), var(--ink-3)); }
.p-card .media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.p-card:hover .media img { transform: scale(1.05); }
.p-card .media .badges { position: absolute; top: 12px; left: 12px; display: flex; gap: .4rem; flex-wrap: wrap; }
.p-card .media .ruo-mini { position: absolute; bottom: 12px; right: 12px; background: rgba(10,15,28,.66); color: var(--on-ink-2); font-size: .64rem; letter-spacing: .04em; text-transform: uppercase; padding: .3em .6em; border-radius: var(--r-pill); backdrop-filter: blur(6px); }
.p-card .body { padding: 1.25rem 1.3rem 1.4rem; display: flex; flex-direction: column; flex: 1; }
.p-card h3 { font-size: 1.28rem; }
.p-card .cat { font-size: .76rem; color: var(--muted); font-family: var(--font-display); letter-spacing: .04em; text-transform: uppercase; margin-bottom: .5rem; }
.spec-list { margin: 1rem 0 1.2rem; display: grid; gap: .5rem; }
.spec-list div { display: flex; justify-content: space-between; gap: 1rem; font-size: .88rem; padding-bottom: .5rem; border-bottom: 1px dashed var(--mist); }
.spec-list dt, .spec-list .k { color: var(--muted); }
.spec-list dd, .spec-list .v { color: var(--text); font-weight: 500; font-family: var(--font-display); text-align: right; }
.p-card .foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.p-card .price { font-family: var(--font-display); font-size: .92rem; color: var(--text-2); }
.p-card .price b { color: var(--text); font-weight: 600; }

/* ============================================================
   Feature rows (alternating)
   ============================================================ */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.feature + .feature { margin-top: clamp(48px, 7vw, 96px); }
.feature.flip .f-media { order: 2; }
.f-media { border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 4/3; box-shadow: var(--shadow); position: relative; border: 1px solid var(--mist); }
.f-media img { width: 100%; height: 100%; object-fit: cover; }
.f-body h3 { font-size: clamp(1.5rem, 2.6vw, 2.05rem); margin-bottom: .9rem; }
.f-body p { color: var(--text-2); margin-bottom: 1rem; }
.f-list { display: grid; gap: .7rem; margin-top: 1.2rem; }
.f-list li { display: flex; gap: .7rem; align-items: flex-start; font-size: .95rem; color: var(--text-2); }
.f-list li svg { width: 20px; height: 20px; color: var(--mint-2); flex: none; margin-top: 2px; }
.f-num { font-family: var(--font-display); font-size: .8rem; font-weight: 600; letter-spacing: .12em; color: var(--copper-2); text-transform: uppercase; }

/* ============================================================
   Dark band (quality / research lane)
   ============================================================ */
.band { background: var(--ink); color: var(--on-ink); position: relative; overflow: hidden; }
.band::before { content:""; position:absolute; inset:0; background: radial-gradient(60% 80% at 85% 10%, var(--glow), transparent 60%); opacity:.4; }
.band .wrap { position: relative; z-index: 1; }
.band h2 { color: #fff; }
.band .lede { color: var(--on-ink-2); }
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: clamp(18px,3vw,36px); margin-top: clamp(36px,5vw,60px); }
.metric { padding: 1.6rem 0; border-top: 2px solid rgba(255,255,255,.12); }
.metric .n { font-family: var(--font-display); font-size: clamp(2rem,4vw,2.8rem); font-weight: 600; color: #fff; }
.metric .n .u { color: var(--mint); }
.metric .l { color: var(--on-ink-2); margin-top: .4rem; font-size: .95rem; }

/* research-lane cards */
.lane-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 18px; margin-top: clamp(32px,4vw,48px); }
.lane-card { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--r); padding: 1.6rem; }
.lane-card .ic { width: 44px; height: 44px; border-radius: 12px; background: rgba(63,163,232,.14); color: var(--mint); display: grid; place-items: center; margin-bottom: 1rem; }
.lane-card .ic svg { width: 22px; height: 22px; }
.lane-card h4 { color: #fff; font-size: 1.12rem; margin-bottom: .5rem; }
.lane-card p { color: var(--on-ink-2); font-size: .9rem; }
.lane-card .x { color: #FF8B6B; }
.lane-card .ok { color: var(--mint); }

/* ============================================================
   FAQ accordion
   ============================================================ */
.faq { max-width: 820px; margin-inline: auto; }
.faq-item { border-bottom: 1px solid var(--mist); }
.faq-q { width: 100%; text-align: left; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 1.4rem 0; font-family: var(--font-display); font-weight: 500; font-size: clamp(1.02rem,1.6vw,1.18rem); color: var(--text); }
.faq-q .pm { width: 26px; height: 26px; flex: none; border-radius: 50%; background: var(--mist-2); display: grid; place-items: center; transition: background .2s, transform .25s ease; position: relative; }
.faq-q .pm::before, .faq-q .pm::after { content:""; position:absolute; background: var(--text); border-radius: 2px; }
.faq-q .pm::before { width: 11px; height: 2px; }
.faq-q .pm::after { width: 2px; height: 11px; transition: transform .25s ease; }
.faq-item.open .faq-q .pm { background: var(--mint); }
.faq-item.open .faq-q .pm::before, .faq-item.open .faq-q .pm::after { background: var(--mint-ink); }
.faq-item.open .faq-q .pm::after { transform: scaleY(0); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a .inner { padding-bottom: 1.4rem; color: var(--text-2); font-size: .98rem; max-width: 64ch; }

/* ============================================================
   CTA / request form band
   ============================================================ */
.cta-band { background: linear-gradient(135deg, var(--ink), var(--ink-3)); color: var(--on-ink); border-radius: var(--r-lg); padding: clamp(32px,5vw,64px); position: relative; overflow: hidden; }
.cta-band::after { content:""; position:absolute; right:-10%; bottom:-40%; width: 50%; height: 120%; background: radial-gradient(circle, var(--glow), transparent 60%); opacity:.4; }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,4vw,56px); position: relative; z-index: 1; align-items: center; }
.req-form { display: grid; gap: .85rem; }
.req-form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: .85rem; }
.field label { display: block; font-size: .78rem; color: var(--on-ink-2); font-family: var(--font-display); letter-spacing: .03em; margin-bottom: .35rem; }
.field input, .field select {
  width: 100%; padding: .8em 1em; border-radius: var(--r-sm);
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  color: #fff; font: inherit; font-size: .92rem; transition: border-color .2s, background .2s;
}
.field input::placeholder { color: var(--on-ink-2); }
.field input:focus, .field select:focus { outline: none; border-color: var(--mint); background: rgba(255,255,255,.09); }
.field select option { color: #111; }
.ack { display: flex; gap: .6rem; align-items: flex-start; font-size: .82rem; color: var(--on-ink-2); }
.ack input { margin-top: 3px; accent-color: var(--mint); width: 16px; height: 16px; flex: none; }
.form-note { font-size: .74rem; color: var(--on-ink-2); margin-top: .2rem; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: var(--ink); color: var(--on-ink-2); padding-block: clamp(48px,6vw,80px) 2rem; }
.foot-top { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: clamp(28px,4vw,48px); padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,.08); }
.foot-brand .brand .word { color: #fff; }
.foot-brand p { margin-top: 1rem; font-size: .9rem; max-width: 34ch; }
.foot-col h5 { font-family: var(--font-display); color: #fff; font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 1rem; font-weight: 600; }
.foot-col a { display: block; font-size: .92rem; padding: .35rem 0; color: var(--on-ink-2); transition: color .2s; }
.foot-col a:hover { color: var(--mint); }
.foot-disclaimer { margin-top: 2rem; padding: 1.1rem 1.3rem; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: var(--r); font-size: .82rem; color: var(--on-ink-2); display: flex; gap: .8rem; align-items: flex-start; }
.foot-disclaimer svg { width: 20px; height: 20px; color: var(--mint); flex: none; margin-top: 1px; }
.foot-disclaimer strong { color: var(--on-ink); font-weight: 500; }
.foot-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; margin-top: 2rem; font-size: .82rem; }
.foot-bottom .legal { display: flex; gap: 1.4rem; flex-wrap: wrap; }

/* ============================================================
   Product detail page
   ============================================================ */
.breadcrumb { display: flex; gap: .5rem; align-items: center; font-size: .85rem; color: var(--muted); padding-block: 1.6rem .4rem; font-family: var(--font-display); }
.breadcrumb a:hover { color: var(--mint-2); }
.breadcrumb .sep { color: var(--mist); }
.pdp { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px,4vw,60px); align-items: start; padding-top: 1rem; }
.pdp-gallery .main-img { border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 4/3; border: 1px solid var(--mist); box-shadow: var(--shadow); background: linear-gradient(135deg, var(--ink-2), var(--ink-3)); }
.pdp-gallery .main-img img { width: 100%; height: 100%; object-fit: cover; }
.pdp-thumbs { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 12px; }
.pdp-thumbs img { border-radius: var(--r-sm); aspect-ratio: 1; object-fit: cover; border: 1px solid var(--mist); cursor: pointer; transition: border-color .2s, transform .2s; }
.pdp-thumbs img:hover { border-color: var(--mint); transform: translateY(-2px); }
.pdp-panel h1 { font-size: clamp(1.9rem,3.5vw,2.7rem); margin: .6rem 0 .4rem; }
.pdp-panel .sub { color: var(--muted); font-family: var(--font-display); letter-spacing: .04em; text-transform: uppercase; font-size: .8rem; }
.pdp-price { display: flex; align-items: baseline; gap: .6rem; margin: 1.2rem 0; }
.pdp-price .amount { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; }
.spec-table { width: 100%; border-collapse: collapse; margin: 1.4rem 0; }
.spec-table th, .spec-table td { text-align: left; padding: .75rem 0; border-bottom: 1px solid var(--mist); font-size: .92rem; }
.spec-table th { color: var(--muted); font-weight: 500; width: 42%; font-family: var(--font-body); }
.spec-table td { font-family: var(--font-display); font-weight: 500; }
.pdp-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1.5rem 0; }
.pdp-ruo { background: var(--mist-2); border: 1px solid var(--mist); border-left: 3px solid var(--mint); border-radius: var(--r-sm); padding: 1rem 1.1rem; font-size: .86rem; color: var(--text-2); display: flex; gap: .7rem; }
.pdp-ruo svg { width: 18px; height: 18px; color: var(--mint-2); flex: none; margin-top: 2px; }
.prose { max-width: 70ch; }
.prose h3 { font-size: 1.35rem; margin: 2rem 0 .8rem; }
.prose p { color: var(--text-2); margin-bottom: 1rem; }
.prose .cite { font-size: .82rem; color: var(--muted); font-style: italic; }

/* ============================================================
   Page hero (sub pages)
   ============================================================ */
.page-hero { background: var(--ink); color: var(--on-ink); padding-block: clamp(48px,7vw,90px); position: relative; overflow: hidden; }
.page-hero::before { content:""; position:absolute; inset:0; background: radial-gradient(50% 90% at 80% 0%, var(--glow), transparent 60%); opacity:.35; }
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(2.2rem,5vw,3.4rem); color: #fff; margin: .8rem 0 .6rem; }
.page-hero .lede { color: var(--on-ink-2); }

/* ============================================================
   Age-gate modal
   ============================================================ */
.gate { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 24px;
  background: rgba(6,9,18,.86); backdrop-filter: blur(8px); }
.gate[hidden] { display: none; }
.gate-card { background: var(--paper-2); border-radius: var(--r-lg); max-width: 460px; width: 100%; padding: clamp(28px,4vw,40px); box-shadow: var(--shadow-lg); text-align: center; animation: pop .35s ease; }
@keyframes pop { from { opacity: 0; transform: translateY(14px) scale(.97); } to { opacity: 1; transform: none; } }
.gate-card .mark { width: 46px; height: 46px; margin: 0 auto 1.2rem; }
.gate-card h2 { font-size: 1.5rem; margin-bottom: .7rem; }
.gate-card p { color: var(--text-2); font-size: .92rem; margin-bottom: 1.4rem; }
.gate-card .ack { color: var(--text-2); text-align: left; background: var(--mist-2); padding: .9rem 1rem; border-radius: var(--r-sm); margin-bottom: 1.3rem; }
.gate-card .ack input { accent-color: var(--mint); }
.gate-actions { display: grid; gap: .6rem; }
.gate-actions .btn { width: 100%; justify-content: center; }
.gate-actions .btn[disabled] { opacity: .45; pointer-events: none; }
.gate-exit { font-size: .82rem; color: var(--muted); }
.gate-exit:hover { color: var(--text); }

/* ============================================================
   Reveal on scroll
   ============================================================ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 440px; margin-inline: auto; order: -1; }
  .float-card.a { left: 0; } .float-card.b { right: 0; }
  .feature, .feature.flip { grid-template-columns: 1fr; }
  .feature .f-media, .feature.flip .f-media { order: -1; }
  .pdp { grid-template-columns: 1fr; }
  .cta-grid { grid-template-columns: 1fr; }
  .foot-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-links { position: fixed; inset: 0 0 0 auto; width: min(78vw, 320px); flex-direction: column; align-items: flex-start; justify-content: center; gap: 1.6rem; padding: 2rem var(--gut); background: var(--paper-2); box-shadow: var(--shadow-lg); transform: translateX(100%); transition: transform .3s ease; margin-left: 0; }
  .nav-links.open { transform: none; }
  .nav-links a { font-size: 1.1rem; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .req-form .row2 { grid-template-columns: 1fr; }
  .foot-top { grid-template-columns: 1fr; }
  .foot-bottom { flex-direction: column; }
  .hero-meta { gap: 1.2rem 1.6rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}
/* ============================================================
   Rich product cards (catalog) + detail extras
   ============================================================ */
.rgrid { display:grid; grid-template-columns:repeat(auto-fill,minmax(330px,1fr)); gap:clamp(18px,2.2vw,28px); align-items:stretch; }
.rcard { background:linear-gradient(180deg,#fff,#f6fafe); border:1px solid var(--mist); border-radius:var(--r-lg); padding:clamp(20px,2.4vw,30px); display:flex; flex-direction:column; transition:transform .25s ease, box-shadow .3s ease, border-color .3s ease; }
.rcard:hover { transform:translateY(-4px); box-shadow:var(--shadow); border-color:#cfdbea; }
.rcard-head { display:flex; align-items:flex-start; justify-content:space-between; gap:1rem; }
.rcard-head h3 { font-size:clamp(1.35rem,2.2vw,1.7rem); }
.rcard-tag { flex:none; font-family:var(--font-display); font-weight:600; font-size:.6rem; letter-spacing:.08em; text-transform:uppercase; color:var(--mint-2); border:1px solid var(--mint); padding:.4em .7em; border-radius:999px; white-space:nowrap; }
.rcard-desc { color:var(--text-2); font-size:.93rem; margin:.9rem 0 1.1rem; }
.rcard-bx { background:rgba(63,163,232,.06); border:1px solid rgba(63,163,232,.16); border-radius:var(--r); padding:1rem 1.1rem; margin-bottom:1.1rem; }
.rcard-bx h4 { font-family:var(--font-display); font-size:.7rem; letter-spacing:.12em; text-transform:uppercase; color:var(--mint-2); margin-bottom:.7rem; }
.rcard-bx ul { display:grid; gap:.5rem; }
.rcard-bx li { display:flex; gap:.6rem; font-size:.85rem; color:var(--text-2); line-height:1.45; }
.rcard-bx li::before { content:""; width:6px; height:6px; margin-top:.5em; border-radius:1px; background:var(--mint); transform:rotate(45deg); flex:none; }
.rcard-specs h4 { font-family:var(--font-display); font-size:.7rem; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); margin-bottom:.4rem; }
.rcard-specs .row { display:flex; justify-content:space-between; gap:1rem; padding:.5rem 0; border-bottom:1px solid var(--mist); font-size:.85rem; }
.rcard-specs .row .k { color:var(--muted); }
.rcard-specs .row .v { font-family:var(--font-display); font-weight:500; color:var(--text); font-variant-numeric:tabular-nums; text-align:right; }
.rcard-foot { display:flex; align-items:center; justify-content:space-between; gap:1rem; margin-top:1.3rem; }
.rcard-sizes { display:flex; gap:.4rem; flex-wrap:wrap; }
.rcard-size { font-family:var(--font-display); font-size:.7rem; font-weight:600; color:var(--text-2); background:var(--mist-2); padding:.3em .6em; border-radius:999px; }
.pdp-class { color:var(--muted); font-size:.92rem; margin:.2rem 0 0; }
.size-opts { display:flex; align-items:center; gap:.8rem; margin:1.2rem 0; flex-wrap:wrap; }
.size-lbl { font-family:var(--font-display); font-size:.75rem; letter-spacing:.04em; text-transform:uppercase; color:var(--muted); }
.size-pills { display:flex; gap:.5rem; flex-wrap:wrap; }
.size-opt { font-family:var(--font-display); font-weight:600; font-size:.85rem; color:var(--text); background:var(--paper-2); border:1.5px solid var(--mist); padding:.45em .9em; border-radius:999px; cursor:pointer; transition:all .2s ease; }
.size-opt:hover { border-color:var(--mint); }
.size-opt.active { background:var(--mint); border-color:var(--mint); color:var(--mint-ink); }
.size-one { font-family:var(--font-display); font-weight:600; }
.ref-list { display:grid; gap:.5rem; margin:.6rem 0 1rem; padding-left:1.1rem; }
.ref-list li { font-size:.85rem; color:var(--text-2); list-style:disc; }
.ref-list a { color:var(--mint-2); }
.ref-list a:hover { text-decoration:underline; }
.rel-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:14px; }
.rel-card { display:flex; align-items:center; justify-content:space-between; gap:.8rem; background:var(--paper-2); border:1px solid var(--mist); border-radius:var(--r); padding:1rem 1.1rem; transition:transform .2s ease, border-color .2s ease; }
.rel-card:hover { transform:translateY(-2px); border-color:var(--mint); }
.rel-name { font-family:var(--font-display); font-weight:600; font-size:.95rem; }
/* ---- catalog card: image on top + collapsible key points ---- */
.rcard { padding:0; overflow:hidden; }
.rcard-media { aspect-ratio:16/10; overflow:hidden; background:radial-gradient(120% 90% at 50% 12%, #ffffff, #e9f2fb 65%, #d7e6f5); border-bottom:1px solid var(--mist); }
.rcard-media img { width:100%; height:100%; object-fit:cover; transition:transform .45s ease; }
.rcard:hover .rcard-media img { transform:scale(1.05); }
.rcard-body { display:flex; flex-direction:column; flex:1; padding:clamp(18px,2.3vw,26px); }
.rcard-toggle { display:flex; align-items:center; justify-content:space-between; width:100%; gap:.6rem; background:rgba(63,163,232,.06); border:1px solid rgba(63,163,232,.16); border-radius:var(--r); padding:.72em 1em; font-family:var(--font-display); font-weight:600; font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; color:var(--mint-2); cursor:pointer; transition:background .2s ease; }
.rcard-toggle:hover { background:rgba(63,163,232,.11); }
.rcard-toggle .chev { width:16px; height:16px; flex:none; transition:transform .3s ease; }
.rcard.open .rcard-toggle .chev { transform:rotate(180deg); }
.rcard-collapse { max-height:0; overflow:hidden; transition:max-height .35s ease; }
.rcard-points { display:grid; gap:.5rem; padding:.9rem .1rem .2rem; }
.rcard-points li { display:flex; gap:.6rem; font-size:.85rem; color:var(--text-2); line-height:1.45; }
.rcard-points li::before { content:""; width:6px; height:6px; margin-top:.5em; border-radius:1px; background:var(--mint); transform:rotate(45deg); flex:none; }
.rcard-specs { margin-top:1.1rem; }
.rcard-desc { margin:.75rem 0 1rem; }
/* ============================================================
   MOBILE — tailored phone/tablet refinements (kept last so they win)
   ============================================================ */
@media (max-width: 900px) {
  :root { --gut: 18px; }
  input, select, textarea { font-size: 16px; }          /* stop iOS zoom-on-focus */
  .btn { min-height: 46px; }                              /* comfy tap targets */
  .rgrid { grid-template-columns: 1fr; }                  /* catalog never overflows */
  .trust-row { flex-wrap: wrap; justify-content: center; gap: .55rem 1.1rem; }
  .trust-item { font-size: .8rem; }
}
@media (max-width: 720px) {
  .section { padding-block: clamp(34px, 8vw, 56px); }
  .hero h1 { font-size: clamp(2.3rem, 12vw, 3.1rem); line-height: 1.05; }
  .hero .lede { font-size: 1rem; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .hero-meta { gap: 1rem 1.4rem; }
  .float-card { transform: scale(.9); padding: .6rem .75rem; }
  .float-card.a { top: 6%; left: -8px; }
  .float-card.b { bottom: 8%; right: -8px; }
  .sec-head { flex-direction: column; gap: 1rem; }
  .h-xl { font-size: clamp(1.9rem, 8vw, 2.5rem); }
  .pdp-actions { flex-direction: column; }
  .pdp-actions .btn { width: 100%; justify-content: center; }
  .pdp-price { flex-wrap: wrap; row-gap: .3rem; }
  .size-pills { flex-wrap: wrap; }
}
@media (max-width: 480px) {
  .h-xl { font-size: 1.75rem; }
  .hero h1 { font-size: 2.1rem; }
  .metrics { grid-template-columns: 1fr 1fr; }
  /* stack spec-table rows: label over value so nothing is cramped */
  .spec-table, .spec-table tr, .spec-table th, .spec-table td { display: block; width: 100%; }
  .spec-table th { color: var(--muted); border: none; padding: .55rem 0 0; }
  .spec-table td { padding: .1rem 0 .7rem; border-bottom: 1px solid var(--mist); font-size: 1rem; }
  .pdp-thumbs { gap: 8px; }
}

/* ============================================================
   MOBILE NAV — dropdown anchored below the header
   (absolute, not fixed: avoids the backdrop-filter containing-block
   bug that squished it + painted it behind section titles)
   ============================================================ */
@media (max-width: 720px) {
  .btn-lg { padding: .85em 1.3em; font-size: .95rem; }   /* hero buttons a touch smaller */
  .nav-links {
    position: absolute; top: 70px; right: var(--gut); left: auto; bottom: auto;
    width: min(72vw, 260px);
    flex-direction: column; align-items: stretch; justify-content: flex-start;
    gap: .15rem; margin: 0; padding: .5rem;
    background: var(--paper-2);
    border: 1px solid var(--mist); border-radius: var(--r);
    box-shadow: var(--shadow-lg);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
  }
  .nav-links.open { opacity: 1; visibility: visible; transform: none; }
  .nav-links a { width: 100%; font-size: 1rem; padding: .72rem .85rem; border-radius: var(--r-sm); color: var(--text); }
  .nav-links a:hover { background: var(--mist-2); }
  .nav-links a::after { display: none; }
}

/* ---------- compact floating pricing pill (mobile, injected by main.js) ---------- */
.float-actions { display: none; }
@media (max-width: 720px) {
  .float-actions {
    display: flex; gap: 6px; align-items: center;
    position: fixed; z-index: 60;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    left: 50%; transform: translateX(-50%);
    max-width: calc(100vw - 24px);                 /* never overflow the screen */
    background: rgba(14,20,38,.9); backdrop-filter: saturate(180%) blur(12px);
    padding: 6px; border-radius: var(--r-pill);
    box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,.12);
  }
  .float-actions a {
    display: inline-flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-weight: 500; font-size: .82rem;
    padding: .55em 1.1em; border-radius: var(--r-pill); white-space: nowrap; min-height: 38px;
  }
  .float-actions .fa-pricing { background: var(--mint); color: var(--mint-ink); }
}

/* coming-soon card badge */
.rcard-media { position: relative; }
.rcard-badge { position: absolute; top: 12px; left: 12px; background: var(--ink); color: #fff; font-family: var(--font-display); font-weight: 600; font-size: .7rem; letter-spacing: .04em; text-transform: uppercase; padding: .32rem .62rem; border-radius: 999px; box-shadow: 0 2px 8px rgba(10,15,28,.18); }

/* Research Club — members-only purchase gate */
.club-gate { background: #fff; border-radius: var(--r); padding: clamp(1.4rem, 3vw, 2rem); box-shadow: var(--shadow); }
.club-gate h3 { font-size: 1.25rem; }
.club-gate p { color: var(--text-2); margin: .6rem 0 1.3rem; }

/* Member order catalog */
.morder-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(258px, 1fr)); gap: 1.4rem; }
.mocard { background: var(--paper-2); border: 1px solid var(--mist); border-radius: var(--r); overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow-sm); }
.mocard-media { position: relative; aspect-ratio: 4 / 3; background: var(--mist-2); }
.mocard-media img { width: 100%; height: 100%; object-fit: cover; }
.mocard-body { padding: 1.1rem 1.2rem 1.3rem; display: flex; flex-direction: column; gap: .55rem; flex: 1; }
.mocard-body h3 { font-size: 1.1rem; }
.mocard-sizes { display: flex; flex-wrap: wrap; gap: .4rem; }
.mocard-foot { display: flex; gap: .55rem; margin-top: auto; padding-top: .7rem; }
.mocard-foot .btn { font-size: .88rem; padding: .6em 1.1em; }

/* Member catalog — per-size pricing rows (priced standard compounds only) */
.mocard-size-list { display: flex; flex-direction: column; gap: .5rem; }
.mocard-size-row { display: flex; align-items: center; justify-content: space-between; gap: .6rem; background: var(--mist-2); border-radius: var(--r-sm); padding: .5rem .7rem; }
.mocard-size-label { font-family: var(--font-display); font-size: .82rem; font-weight: 600; color: var(--text); }

/* Restricted (Research Club members-only) compounds */
.mocard-badge, .rcard-badge.badge-members { position: absolute; top: 12px; right: 12px; left: auto; background: var(--mint); color: var(--mint-ink); font-family: var(--font-display); font-weight: 600; font-size: .7rem; letter-spacing: .04em; text-transform: uppercase; padding: .32rem .62rem; border-radius: 999px; box-shadow: 0 2px 8px rgba(10,15,28,.18); }
.mocard[data-restricted] .mocard-media img { filter: saturate(.6); }

/* Sign in / create account */
.auth-card { background: var(--paper-2); border: 1px solid var(--mist); border-radius: var(--r); box-shadow: var(--shadow); padding: clamp(1.4rem, 3vw, 2.2rem); }
.auth-tabs { display: flex; gap: .35rem; background: var(--mist-2); border-radius: var(--r-pill); padding: 4px; margin-bottom: 1.6rem; }
.auth-tab { flex: 1; padding: .62em 1em; border-radius: var(--r-pill); font-family: var(--font-display); font-weight: 600; font-size: .92rem; color: var(--muted); }
.auth-tab.active { background: var(--paper-2); color: var(--ink); box-shadow: var(--shadow-sm); }
.auth-form { display: flex; flex-direction: column; gap: 1rem; }
.auth-form[hidden] { display: none; }
.auth-form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.auth-form .field { display: flex; flex-direction: column; gap: .35rem; }
.auth-form label { font-size: .8rem; font-weight: 600; color: var(--text-2); font-family: var(--font-display); }
.auth-form input { padding: .72em .9em; border: 1px solid var(--mist); border-radius: var(--r-sm); font: inherit; background: var(--paper); color: var(--text); }
.auth-form input:focus { outline: none; border-color: var(--mint); box-shadow: 0 0 0 3px rgba(63,163,232,.15); }
.auth-form .ack { display: flex; gap: .6rem; font-size: .82rem; color: var(--text-2); align-items: flex-start; line-height: 1.45; }
.auth-form .ack a { color: var(--mint-2); text-decoration: underline; }
.auth-form .form-note { font-size: .82rem; color: var(--muted); }
.auth-form .remember-me { display: flex; align-items: center; gap: .5rem; font-weight: 400; font-size: .85rem; color: var(--text-2); cursor: pointer; margin: -.4rem 0 0; }
.auth-form .remember-me input { width: auto; padding: 0; border: none; box-shadow: none; accent-color: var(--mint); margin: 0; }
.auth-cta { display: flex; flex-direction: column; gap: .8rem; align-items: flex-start; }
@media (max-width: 560px) { .auth-form .row2 { grid-template-columns: 1fr; } }

/* ============================================================
   Cart nav badge + cart page
   ============================================================ */
.cart-badge {
  font-family: var(--font-display); font-weight: 500; font-size: .88rem;
  color: var(--mint-2);
  background: rgba(63,163,232,.10);
  padding: .28em .7em; border-radius: var(--r-pill);
  transition: background .2s ease, color .2s ease;
  white-space: nowrap;
}
.cart-badge:hover { background: rgba(63,163,232,.2); color: var(--mint-2); }

/* Cart page table */
.cart-table {
  width: 100%; border-collapse: collapse;
  margin-bottom: 1.6rem;
  font-size: .95rem;
}
.cart-table th {
  text-align: left; padding: .6rem 0; border-bottom: 2px solid var(--mist);
  font-family: var(--font-display); font-size: .78rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
}
.cart-table td { padding: .9rem 0; border-bottom: 1px solid var(--mist); vertical-align: middle; }
.cart-name { font-family: var(--font-display); font-weight: 500; color: var(--text); }
.cart-size { font-size: .8rem; color: var(--muted); margin-top: .15rem; }
.cart-price { color: var(--text-2); white-space: nowrap; }
.cart-qty { color: var(--text-2); width: 56px; }
.cart-subtotal { font-family: var(--font-display); font-weight: 600; color: var(--text); white-space: nowrap; }
.cart-remove { text-align: right; }
.cart-rm-btn { font-size: .82rem; padding: .4em .8em; }

/* Cart total row (tfoot) */
.cart-total-row td { border-bottom: none; padding-top: 1.1rem; }
.cart-total-row td:first-child { text-align: right; text-transform: uppercase; font-size: .78rem; letter-spacing: .06em; color: var(--muted); font-weight: 600; font-family: var(--font-display); }
.cart-total { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; color: var(--mint-2); }
.sum-row td { border-bottom: none; padding: .35rem 0; }
.sum-row td:first-child { text-align: right; color: var(--text-2); font-weight: 500; }
.sum-row.sum-muted td { color: var(--muted); }
.co-tax-note { color: var(--muted); font-weight: 400; font-size: .82em; }
.cart-ship-hint td { border-bottom: none; padding: .55rem .8rem; text-align: center; font-size: .85rem; color: var(--mint-2); background: var(--mist); border-radius: 8px; }

/* Cart actions row */
.cart-actions { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; margin-bottom: 1.5rem; }

/* Cart empty state */
.cart-empty { text-align: center; padding: 3rem 1rem; }

/* RUO note on cart page */
.cart-ruo-note { margin-top: .5rem; }

@media (max-width: 560px) {
  .cart-table th:last-child, .cart-table td:last-child { display: none; }
  .cart-table .cart-ship-hint td { display: table-cell !important; }
  .cart-name { display: block; margin-bottom: .3rem; }
}

/* ============================================================
   Checkout page (checkout.html)
   ============================================================ */
.checkout-h2 { font-size: 1.15rem; margin: 2.2rem 0 1rem; }
.checkout-h2:first-child { margin-top: 0; }

/* Order summary (read-only) */
.order-summary-table { width: 100%; border-collapse: collapse; margin-bottom: .4rem; font-size: .95rem; }
.order-summary-table th {
  text-align: left; padding: .6rem 0; border-bottom: 2px solid var(--mist);
  font-family: var(--font-display); font-size: .78rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
}
.order-summary-table td { padding: .9rem 0; border-bottom: 1px solid var(--mist); vertical-align: middle; }
.order-summary-table .cart-total-row td { border-bottom: none; padding-top: 1.1rem; }
.order-summary-table .cart-total-row td:first-child { text-align: right; text-transform: uppercase; font-size: .78rem; letter-spacing: .06em; color: var(--muted); font-weight: 600; font-family: var(--font-display); }

/* Contact & shipping form */
.checkout-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.8rem; }
.checkout-form .field { display: flex; flex-direction: column; gap: .35rem; }
.checkout-form .field.field-full { grid-column: 1 / -1; }
.checkout-form label { font-size: .8rem; font-weight: 600; color: var(--text-2); font-family: var(--font-display); }
.checkout-form label .opt { font-weight: 400; color: var(--muted); }
.checkout-form input {
  padding: .72em .9em; border: 1px solid var(--mist); border-radius: var(--r-sm);
  font: inherit; font-size: .95rem; background: var(--paper); color: var(--text);
  transition: border-color .2s, box-shadow .2s;
}
.checkout-form input:focus { outline: none; border-color: var(--mint); box-shadow: 0 0 0 3px rgba(63,163,232,.15); }

/* Order verification — the second (checkout-time) attestation, distinct from the entry gate */
.verify-block {
  background: var(--mist-2); border: 1.5px solid var(--mint); border-radius: var(--r);
  padding: 1.3rem 1.4rem; margin-bottom: 1.8rem; display: flex; flex-direction: column; gap: .9rem;
}
.verify-block h3 { font-size: 1rem; margin-bottom: .1rem; }
.verify-block .verify-intro { font-size: .82rem; color: var(--muted); margin: -.35rem 0 .2rem; }
.verify-block .ack { color: var(--text-2); font-size: .88rem; }
.verify-block .ack strong { color: var(--text); }
.verify-block .ack input { accent-color: var(--mint); }
.verify-block .ack a { color: var(--mint-2); text-decoration: underline; }

/* Payment — stubbed until the processor goes live */
.payment-stub { background: var(--paper-2); border: 1px dashed var(--mist); border-radius: var(--r); padding: 1.3rem 1.4rem; margin-bottom: 1.8rem; }
.payment-stub h3 { font-size: 1rem; margin-bottom: .5rem; }
.payment-stub p { color: var(--text-2); font-size: .9rem; margin-bottom: 1rem; }
.pay-order-no { text-align: center; font-family: var(--font-display); font-size: .85rem; color: var(--text-2); margin: .2rem 0 1rem; }
.pay-order-no strong { color: var(--mint-2); letter-spacing: .04em; }
.pay-method { background: var(--paper-2); border: 1px solid var(--mist); border-radius: var(--r-sm); padding: 1.1rem 1.2rem; margin-top: 1.2rem; text-align: center; }
.pay-method h4 { font-size: .9rem; margin-bottom: .7rem; }
.pay-method p { color: var(--text-2); font-size: .85rem; margin: .8rem 0 0; text-align: left; }
.pay-amount { color: var(--mint-2); font-weight: 700; white-space: nowrap; }
.pay-dest { display: flex; flex-direction: column; gap: .15rem; margin: .6rem 0 0; padding: .7rem .8rem; background: var(--mist-2); border-radius: var(--r-sm); }
.pay-dest-handle { font-family: var(--font-display); font-weight: 600; font-size: 1rem; color: var(--text); word-break: break-all; }
.pay-dest-name { font-size: .8rem; color: var(--muted); }
.pay-paid-ack { display: flex; gap: .6rem; align-items: flex-start; margin-top: 1.2rem; font-size: .88rem; color: var(--text-2); line-height: 1.45; }
.pay-paid-ack input { accent-color: var(--mint); margin-top: .2rem; flex: none; }
.btc-confirm { margin-top: 1rem; text-align: left; display: flex; flex-direction: column; gap: .7rem; }
.btc-field { display: flex; flex-direction: column; gap: .3rem; font-size: .8rem; font-weight: 600; color: var(--text-2); font-family: var(--font-display); }
.btc-field .opt { font-weight: 400; color: var(--muted); }
.btc-field .req { color: #d1495b; }
.btc-field input[type="text"] { padding: .6em .8em; border: 1px solid var(--mist); border-radius: var(--r-sm); font: inherit; font-size: .9rem; background: var(--paper); color: var(--text); }
.btc-field input[type="text"]:focus { outline: none; border-color: var(--mint); box-shadow: 0 0 0 3px rgba(63,163,232,.15); }
.btc-field input[type="file"] { font-size: .82rem; color: var(--text-2); }
.btc-hold { font-size: .8rem; color: var(--muted); margin: .2rem 0 0; }
.btc-hold strong { color: var(--mint-2); }
.discount-box { margin: 0 0 1.6rem; max-width: 340px; }
.discount-box > label { display: block; font-size: .8rem; font-weight: 600; color: var(--text-2); font-family: var(--font-display); margin-bottom: .35rem; }
.discount-row { display: flex; gap: .5rem; }
.discount-row input { flex: 1; padding: .6em .8em; border: 1px solid var(--mist); border-radius: var(--r-sm); font: inherit; font-size: .9rem; background: var(--paper); color: var(--text); }
.discount-row input:focus { outline: none; border-color: var(--mint); box-shadow: 0 0 0 3px rgba(63,163,232,.15); }
.discount-row .btn { flex: none; }
.discount-msg { display: block; font-size: .82rem; margin-top: .4rem; min-height: 1em; }
.discount-msg.ok { color: var(--mint-2); }
.discount-msg.bad { color: #d1495b; }
.ship-method { margin: 0 0 1.8rem; }
.ship-hint { font-size: .9rem; color: var(--text-2); margin: 0 0 .7rem; }
.ship-options { display: flex; flex-direction: column; gap: .55rem; margin-top: .8rem; }
.ship-opt { display: flex; align-items: center; gap: .7rem; padding: .75rem .9rem; border: 1px solid var(--mist); border-radius: var(--r-sm); cursor: pointer; }
.ship-opt:has(input:checked) { border-color: var(--mint); box-shadow: 0 0 0 2px rgba(63,163,232,.15); }
.ship-opt input { accent-color: var(--mint); flex: none; }
.ship-opt-main { flex: 1; font-size: .9rem; color: var(--text); }
.ship-opt-amt { font-family: var(--font-display); font-weight: 700; color: var(--mint-2); white-space: nowrap; }
.req { color: #d1495b; font-weight: 600; }
.field-note { font-size: .8rem; color: var(--muted); margin: -.4rem 0 1rem; }
.pay-manual { font-size: .85rem; color: var(--text-2); margin: .55rem 0 0; display: inline-flex; align-items: center; gap: .5rem; flex-wrap: wrap; justify-content: center; }
.pay-addr { font-family: ui-monospace, Menlo, Consolas, monospace; word-break: break-all; background: rgba(0,0,0,.05); padding: .15em .45em; border-radius: 5px; }
.pay-copy { cursor: pointer; border: 1px solid rgba(0,0,0,.18); background: transparent; color: var(--text-2); font: inherit; font-size: .78rem; padding: .1em .65em; border-radius: 5px; }
.pay-copy:hover { background: rgba(0,0,0,.05); }
.applecash-btn { display: inline-flex; align-items: center; gap: .4rem; background: #000; color: #fff; font-weight: 600; font-size: .85rem; text-decoration: none; padding: .6em 1.2em; border-radius: 999px; }
.applecash-btn:hover { background: #1a1a1a; }
.pay-link { display: inline-flex; align-items: center; gap: .4rem; color: #fff; font-weight: 600; font-size: .85rem; text-decoration: none; padding: .6em 1.2em; border-radius: 999px; }
.zelle-btn { background: #6d1ed4; }
.zelle-btn:hover { background: #5a18b0; }
.btc-btn { background: #f7931a; color: #1a1200; }
.btc-btn:hover { background: #e0850f; }
.ship-to-summary { margin: 1.4rem 0 0; }
.ship-to-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.ship-to-head .checkout-h2 { margin: 0; }
.ship-to-edit { font-size: .85rem; color: var(--mint-2); text-decoration: none; font-weight: 600; }
.ship-to-edit:hover { text-decoration: underline; }
.ship-to-lines { margin: .5rem 0 0; font-size: .95rem; color: var(--text); line-height: 1.55; }
.ship-to-contact { color: var(--text-2); font-size: .88rem; }
.pay-method-select { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; margin: 0 0 1.1rem; }
.pay-method-lbl { font-size: .8rem; font-weight: 600; color: var(--text-2); font-family: var(--font-display); margin-right: .2rem; }
.pay-radio { display: inline-flex; align-items: center; gap: .45rem; font-weight: 600; color: var(--text); cursor: pointer; padding: .45em .9em; border: 1px solid var(--mist); border-radius: var(--r-sm); }
.pay-radio input { accent-color: var(--mint); }
.pay-radio:has(input:checked) { border-color: var(--mint); background: rgba(63,163,232,.07); }
.pay-soon { font-size: .78rem; color: var(--text-2); margin: 0 0 .2rem; opacity: .85; }
.pay-required-note { background: #fff8ec; border: 1px solid #ffd28a; border-radius: var(--r-sm); padding: .7rem .9rem; font-size: .85rem; color: #6b4a12; margin: .2rem 0 1.1rem; line-height: 1.5; }
.btc-pay {
  background: var(--paper-2); border: 1px solid var(--mist); border-radius: var(--r-sm);
  padding: 1.1rem 1.2rem; margin-top: 1.2rem; text-align: center;
}
.btc-pay h4 { font-size: .9rem; margin-bottom: .7rem; }
.btc-pay p { color: var(--text-2); font-size: .85rem; margin: .8rem 0 0; text-align: left; }
.btc-qr {
  display: block; width: 180px; max-width: 100%; height: auto;
  margin: 0 auto; border-radius: var(--r-sm); border: 1px solid var(--mist);
}

.checkout-actions { margin-bottom: 1.6rem; }
.checkout-actions .btn[disabled] { opacity: .45; pointer-events: none; }

/* Confirmation state (after Place order) */
.checkout-confirm { text-align: center; padding: 3rem 1rem; }
.checkout-confirm svg { width: 48px; height: 48px; color: var(--mint-2); margin-bottom: 1rem; }
.checkout-confirm h2 { margin-bottom: .6rem; }
.checkout-confirm p { color: var(--text-2); margin-bottom: 1.4rem; max-width: 48ch; margin-inline: auto; }
.checkout-confirm-fine { font-size: .8rem; color: var(--muted); }
.confirm-order-no { font-family: var(--font-display); font-size: 1rem; }
.confirm-order-no strong { color: var(--mint-2); letter-spacing: .04em; }
.confirm-pay { text-align: left; max-width: 48ch; margin: 0 auto 1.4rem; display: flex; flex-direction: column; gap: .55rem; font-size: .9rem; color: var(--text-2); padding-left: 1.1rem; }
.confirm-pay strong { color: var(--text); }
.receipt-table { width: 100%; max-width: 440px; margin: 0 auto 1.4rem; border-collapse: collapse; text-align: left; font-size: .9rem; }
.receipt-table th { font-family: var(--font-display); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: .5rem 0; border-bottom: 2px solid var(--mist); }
.receipt-table th:last-child, .receipt-table td:last-child { text-align: right; }
.receipt-table td { padding: .55rem 0; border-bottom: 1px solid var(--mist); color: var(--text-2); }
.receipt-table .rec-size { color: var(--muted); font-size: .82em; }
.receipt-table tfoot td { border-bottom: none; padding: .3rem 0; }
.receipt-table .receipt-total td { padding-top: .7rem; font-family: var(--font-display); font-weight: 700; color: var(--mint-2); font-size: 1rem; }
.confirm-pay-box { max-width: 440px; margin: 0 auto 1.4rem; padding: 1rem 1.2rem 1.1rem; background: var(--mist-2); border: 1px solid var(--mint); border-radius: var(--r-sm); }
.confirm-pay-box .confirm-pay { margin-bottom: 0; }
.confirm-actions { display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; }
@media print {
  .site-header, .site-footer, .ruo-ribbon, .float-actions, .confirm-actions, .breadcrumb, .nav-toggle { display: none !important; }
  .checkout-confirm { padding: 0; }
  body { background: #fff; }
}
.checkout-confirm-fine a { color: var(--mint-2); text-decoration: underline; }

/* Final confirmation modal — the AFTER-checkout attestation, shown on "Place order" before it sends */
.checkout-modal-ov {
  position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center;
  background: rgba(10,15,28,.6); backdrop-filter: blur(3px); padding: 1.2rem;
}
.checkout-modal {
  background: var(--paper-2); border-radius: var(--r); box-shadow: var(--shadow-lg);
  max-width: 520px; width: 100%; padding: clamp(1.4rem, 3vw, 2rem);
  display: flex; flex-direction: column; gap: 1rem;
}
.checkout-modal h3 { font-size: 1.15rem; }
.checkout-modal p { color: var(--text-2); font-size: .92rem; }
.checkout-modal .ack { display: flex; gap: .6rem; align-items: flex-start; font-size: .9rem; color: var(--text); line-height: 1.45; }
.checkout-modal .ack input { accent-color: var(--mint); margin-top: .2rem; }
.checkout-modal-actions { display: flex; gap: .7rem; justify-content: flex-end; flex-wrap: wrap; }
.checkout-modal-actions .btn[disabled] { opacity: .45; pointer-events: none; }
@media (max-width: 480px) { .checkout-modal-actions { flex-direction: column-reverse; } .checkout-modal-actions .btn { width: 100%; justify-content: center; } }

.checkout-ruo-note { margin-top: .5rem; }

@media (max-width: 640px) {
  .checkout-form { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .order-summary-table thead th:nth-child(2), .order-summary-table tbody td:nth-child(2) { display: none; }
}