/* VapoCept Review — independent assessment site
   Palette derived from the product label: navy circuit graphic, copper rule lines,
   cool silver bottle. Type follows supplement-label vernacular:
   condensed grotesque display, serif body, mono for data. */

:root {
  --ink:        #0d1b33;
  --ink-deep:   #060e1c;
  --ink-soft:   #24344f;
  --copper:     #b85c24;
  --copper-br:  #dd8442;
  --copper-pale:#f6e9df;
  --steel:      #6b7789;
  --steel-pale: #d5dae2;
  --paper:      #f4f6f9;
  --white:      #ffffff;
  --rule:       #dbe1e9;

  --ok:      #1f6f4a;
  --mid:     #a8730f;
  --low:     #b4562a;
  --none:    #8a94a3;

  --wrap: 1120px;
  --measure: 68ch;
  --r: 4px;

  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--copper); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--copper); outline-offset: 3px; }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 92%;
  letter-spacing: -0.015em;
  line-height: 1.12;
  color: var(--ink);
  margin: 0 0 .6em;
}
h1 { font-size: clamp(2rem, 4.4vw, 3.1rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.35rem); }
h3 { font-size: clamp(1.18rem, 2.1vw, 1.45rem); }
h4 { font-size: 1.02rem; }
p  { margin: 0 0 1.15em; }

.wrap { width: min(var(--wrap), calc(100% - 2.5rem)); margin-inline: auto; }
.measure { max-width: var(--measure); }

.eyebrow {
  font-family: var(--mono);
  font-size: .69rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 0 0 .85rem;
  display: block;
  font-weight: 500;
}

/* ---------- disclosure strip ---------- */
.strip {
  background: var(--ink-deep);
  color: var(--steel-pale);
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .04em;
  padding: .5rem 0;
}
.strip .wrap { display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; justify-content: center; text-align: center; }
.strip b { color: var(--white); font-weight: 500; }

/* ---------- header ---------- */
.site-head {
  background: var(--white);
  border-bottom: 1px solid var(--rule);
  position: sticky; top: 0; z-index: 60;
}
.site-head .wrap { display: flex; align-items: center; gap: 1.25rem; min-height: 70px; }
.brand {
  font-family: var(--display); font-weight: 700; font-stretch: 88%;
  font-size: 1.24rem; letter-spacing: -.02em; color: var(--ink);
  text-decoration: none; line-height: 1.1; flex-shrink: 0;
}
.brand span { color: var(--copper); }
.brand small {
  display: block; font-family: var(--mono); font-size: .58rem; font-weight: 400;
  letter-spacing: .16em; text-transform: uppercase; color: var(--steel); margin-top: 2px;
}
.nav { margin-left: auto; display: flex; align-items: center; gap: 1.35rem; }
.nav a {
  font-family: var(--display); font-size: .87rem; font-weight: 600; font-stretch: 90%;
  color: var(--ink-soft); text-decoration: none;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--copper); }
.nav-toggle {
  display: none; margin-left: auto; background: none; border: 1px solid var(--rule);
  border-radius: var(--r); padding: .45rem .6rem; cursor: pointer; color: var(--ink);
  font-family: var(--mono); font-size: .8rem;
}
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--rule);
    flex-direction: column; align-items: stretch; gap: 0; padding: .5rem 0;
  }
  .nav.open { display: flex; }
  .nav a { padding: .75rem 1.25rem; border-top: 1px solid var(--rule); }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block; font-family: var(--display); font-weight: 700; font-stretch: 90%;
  font-size: .95rem; letter-spacing: .01em; padding: .85rem 1.5rem;
  border-radius: var(--r); text-decoration: none; border: 2px solid transparent;
  transition: transform .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--copper); color: var(--white); }
.btn-primary:hover { background: var(--ink); color: var(--white); }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--white); }
.btn-sm { padding: .6rem 1.05rem; font-size: .85rem; }
.btn-note {
  font-family: var(--mono); font-size: .7rem; color: var(--steel);
  margin-top: .6rem; letter-spacing: .02em;
}

/* ---------- sections ---------- */
.section { padding: clamp(3.2rem, 7vw, 5.5rem) 0; }
.section--white { background: var(--white); }
.section--ink { background: var(--ink); color: var(--steel-pale); }
.section--ink h2, .section--ink h3 { color: var(--white); }
.section--ink .eyebrow { color: var(--copper-br); }
.section--ink a { color: var(--copper-br); }
.section-head { max-width: 62ch; margin-bottom: 2.4rem; }
.section-head p { color: var(--ink-soft); font-size: 1.1rem; }
.section--ink .section-head p { color: var(--steel-pale); }

/* ---------- hero ---------- */
.hero { background: var(--white); border-bottom: 1px solid var(--rule); padding: clamp(2.5rem,5vw,4rem) 0 clamp(3rem,6vw,4.5rem); }
.hero-grid { display: grid; grid-template-columns: 1.18fr .82fr; gap: clamp(2rem,4vw,3.5rem); align-items: center; }
.hero h1 { margin-bottom: .5em; }
.hero h1 em { font-style: normal; color: var(--copper); }
.hero-lede { font-size: 1.16rem; color: var(--ink-soft); }
.hero-media { position: relative; }
.hero-media img { width: 100%; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.6rem; }
@media (max-width: 880px) { .hero-grid { grid-template-columns: 1fr; } .hero-media { order: -1; max-width: 420px; margin-inline: auto; } }

/* verdict box — the site's opening thesis */
.verdict {
  border: 1px solid var(--rule); border-left: 5px solid var(--copper);
  background: var(--paper); border-radius: var(--r);
  padding: 1.35rem 1.5rem; margin: 1.5rem 0 0;
}
.verdict h2 {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .17em;
  text-transform: uppercase; color: var(--copper); margin-bottom: .7rem; font-weight: 500; font-stretch: normal;
}
.verdict p { margin-bottom: .8rem; font-size: 1.02rem; }
.verdict p:last-child { margin-bottom: 0; }

/* ---------- evidence meter (signature device) ---------- */
.ev { display: inline-flex; align-items: center; gap: .5rem; font-family: var(--mono); font-size: .68rem; letter-spacing: .09em; text-transform: uppercase; }
.ev-bars { display: inline-flex; gap: 2px; }
.ev-bars i { width: 13px; height: 8px; background: var(--steel-pale); border-radius: 1px; display: block; }
.ev-4 i:nth-child(-n+4) { background: var(--ok); }
.ev-3 i:nth-child(-n+3) { background: var(--mid); }
.ev-2 i:nth-child(-n+2) { background: var(--low); }
.ev-1 i:nth-child(-n+1) { background: var(--none); }
.ev-4 { color: var(--ok); } .ev-3 { color: var(--mid); }
.ev-2 { color: var(--low); } .ev-1 { color: var(--none); }
.section--ink .ev-bars i { background: #2b3a55; }

.ev-key { display: flex; flex-wrap: wrap; gap: 1.1rem; margin-top: 1.5rem; padding-top: 1.2rem; border-top: 1px solid var(--rule); }

/* ---------- supplement facts panel (signature block) ---------- */
.facts {
  background: var(--white); border: 2.5px solid var(--ink); border-radius: 2px;
  padding: 1.1rem 1.25rem 1.35rem; font-family: var(--display); max-width: 640px;
  margin-inline: auto;
  /* the panel keeps its own dark ink even inside .section--ink */
  color: var(--ink);
}
/* panel keeps dark ink even inside .section--ink; do NOT set `inherit` on .facts
   itself here or the dark section's colour wins on specificity */
.section--ink .facts { color: var(--ink); }
.facts *, .section--ink .facts * { color: inherit; }
.facts .facts-amt, .section--ink .facts .facts-amt { color: var(--low); }
.facts .facts-note, .section--ink .facts .facts-note { color: var(--ink-soft); }
.facts-title {
  font-family: var(--display); font-weight: 700; font-stretch: 80%;
  font-size: clamp(1.5rem,3.4vw,1.95rem); line-height: 1; margin: 0 0 .35rem;
  letter-spacing: -.02em;
}
.facts hr { border: 0; border-top: 1px solid var(--ink); margin: .4rem 0; }
.facts hr.thick { border-top: 9px solid var(--ink); margin: .45rem 0; }
.facts hr.med { border-top: 4px solid var(--ink); margin: .45rem 0; }
.facts-serving { font-size: .82rem; display: flex; justify-content: space-between; gap: 1rem; }
.facts-row { display: grid; grid-template-columns: 1fr auto auto; gap: .5rem .9rem; align-items: baseline; padding: .38rem 0; font-size: .9rem; }
.facts-row + .facts-row { border-top: 1px solid var(--rule); }
.facts-row b { font-weight: 700; }
.facts-amt { font-family: var(--mono); font-size: .78rem; color: var(--low); white-space: nowrap; }
.facts-note {
  font-family: var(--mono); font-size: .72rem; line-height: 1.55; color: var(--ink-soft);
  margin-top: .7rem; padding-top: .6rem; border-top: 1px solid var(--ink);
}
.facts-flag {
  background: var(--copper-pale); border-left: 4px solid var(--copper);
  padding: .8rem .95rem; margin-top: 1rem; font-family: var(--body);
  font-size: .93rem; line-height: 1.6; border-radius: 0 var(--r) var(--r) 0;
}
.facts-flag strong { font-family: var(--display); }

/* ---------- grids & cards ---------- */
.grid { display: grid; gap: 1.6rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(198px, 1fr)); }

.card {
  background: var(--white); border: 1px solid var(--rule); border-radius: var(--r);
  padding: 1.5rem 1.45rem;
}
.card h3 { margin-bottom: .5rem; }
.card p:last-child { margin-bottom: 0; }
.card p { font-size: .97rem; color: var(--ink-soft); }
.section--white .card { background: var(--paper); }
.section--ink .card { background: #12213c; border-color: #22334f; }
.section--ink .card p { color: var(--steel-pale); }

.card-num {
  font-family: var(--mono); font-size: .72rem; color: var(--copper);
  letter-spacing: .1em; display: block; margin-bottom: .55rem;
}

/* badges */
.badges { display: grid; grid-template-columns: repeat(auto-fit,minmax(150px,1fr)); gap: 1.4rem; align-items: start; }
.badge { text-align: center; }
.badge img { width: 96px; margin: 0 auto .7rem; }
.badge h4 { font-size: .93rem; margin-bottom: .3rem; }
.badge p { font-family: var(--mono); font-size: .71rem; line-height: 1.5; color: var(--steel); margin: 0; }

/* split feature */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,4.5vw,3.5rem); align-items: center; }
.split-media img { border-radius: var(--r); border: 1px solid var(--rule); }
.section--ink .split-media img { border-color: #22334f; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }

/* ---------- pricing ---------- */
.tiers { display: grid; grid-template-columns: repeat(auto-fit,minmax(255px,1fr)); gap: 1.5rem; align-items: stretch; }
.tier {
  background: var(--white); border: 1px solid var(--rule); border-radius: var(--r);
  padding: 1.6rem 1.4rem; display: flex; flex-direction: column; text-align: center;
}
.tier--flag { border: 2px solid var(--copper); }
.tier-tag {
  font-family: var(--mono); font-size: .65rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--copper); margin-bottom: .8rem; display: block; min-height: 1em;
}
.tier img { width: 150px; margin: 0 auto 1rem; }
.tier h3 { margin-bottom: .15rem; }
.tier-sub { font-family: var(--mono); font-size: .73rem; color: var(--steel); margin-bottom: 1rem; }
.tier-price { font-family: var(--display); font-weight: 700; font-size: 2.4rem; line-height: 1; letter-spacing: -.03em; }
.tier-price sup { font-size: 1rem; top: -1em; }
.tier-per { font-family: var(--mono); font-size: .7rem; color: var(--steel); margin-bottom: .9rem; }
.tier-total { font-size: .92rem; color: var(--ink-soft); margin-bottom: 1.1rem; }
.tier ul { list-style: none; padding: 0; margin: 0 0 1.3rem; text-align: left; font-size: .9rem; }
.tier li { padding: .38rem 0; border-top: 1px solid var(--rule); color: var(--ink-soft); }
.tier li::before { content: "·"; color: var(--copper); font-weight: 700; margin-right: .5rem; }
.tier .btn { margin-top: auto; }
.tier-cards { width: 128px; margin: .8rem auto 0; opacity: .75; }

/* ---------- tables ---------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.data {
  width: 100%; border-collapse: collapse; background: var(--white);
  font-size: .92rem; min-width: 540px;
}
table.data th, table.data td { padding: .8rem .9rem; text-align: left; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.data th {
  font-family: var(--display); font-weight: 700; font-size: .8rem; font-stretch: 90%;
  text-transform: uppercase; letter-spacing: .05em; background: var(--ink); color: var(--white);
}
table.data tbody tr:nth-child(even) { background: var(--paper); }

/* ---------- callouts ---------- */
.note {
  border-left: 4px solid var(--copper); background: var(--copper-pale);
  padding: 1.05rem 1.2rem; border-radius: 0 var(--r) var(--r) 0; margin: 1.6rem 0;
  font-size: .97rem;
}
.note p:last-child { margin-bottom: 0; }
.note strong { font-family: var(--display); }
.note--warn { border-left-color: var(--low); background: #fbeae3; }
.note--flat { border-left-color: var(--steel); background: var(--paper); }

/* ---------- faq ---------- */
.faq details {
  background: var(--white); border: 1px solid var(--rule); border-radius: var(--r);
  padding: 1rem 1.2rem; margin-bottom: .7rem;
}
.faq summary {
  font-family: var(--display); font-weight: 700; font-stretch: 92%; font-size: 1.03rem;
  cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--copper); font-weight: 400; font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq details[open] summary { margin-bottom: .7rem; }
.faq p:last-child { margin-bottom: 0; }
.faq p { font-size: .97rem; color: var(--ink-soft); }

/* ---------- sources ---------- */
.sources { list-style: none; padding: 0; margin: 0; }
.sources li { padding: .6rem 0; border-bottom: 1px solid var(--rule); font-size: .93rem; }
.section--ink .sources li { border-color: #22334f; }
.sources .src-tag {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--steel); display: block; margin-bottom: .15rem;
}

/* ---------- author box ---------- */
.author {
  display: flex; gap: 1.2rem; align-items: flex-start;
  border: 1px solid var(--rule); border-radius: var(--r); background: var(--white);
  padding: 1.35rem 1.4rem;
}
.author-mark {
  flex-shrink: 0; width: 52px; height: 52px; border-radius: 50%;
  background: var(--ink); color: var(--white); display: grid; place-items: center;
  font-family: var(--display); font-weight: 700; font-size: 1.1rem;
}
.author h4 { margin-bottom: .25rem; }
.author p { font-size: .91rem; color: var(--ink-soft); margin-bottom: .4rem; }
.author p:last-child { margin-bottom: 0; }
.author .meta { font-family: var(--mono); font-size: .69rem; color: var(--steel); letter-spacing: .04em; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--ink); color: var(--steel-pale); padding: clamp(2.8rem,5vw,4rem) 0; text-align: center; }
.cta-band h2 { color: var(--white); }
.cta-band p { max-width: 60ch; margin-inline: auto; }
.cta-band .btn-ghost { border-color: var(--copper-br); color: var(--copper-br); }
.cta-band .btn-ghost:hover { background: var(--copper-br); color: var(--ink); }

/* ---------- footer ---------- */
.site-foot { background: var(--ink-deep); color: var(--steel); padding: 3.2rem 0 2rem; font-size: .9rem; }
.foot-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(190px,1fr)); gap: 2rem; margin-bottom: 2.4rem; }
.site-foot h4 {
  color: var(--white); font-size: .78rem; text-transform: uppercase; letter-spacing: .13em;
  font-family: var(--mono); font-weight: 500; font-stretch: normal; margin-bottom: .9rem;
}
.site-foot ul { list-style: none; padding: 0; margin: 0; }
.site-foot li { margin-bottom: .5rem; }
.site-foot a { color: var(--steel-pale); text-decoration: none; }
.site-foot a:hover { color: var(--copper-br); text-decoration: underline; }
.foot-legal { border-top: 1px solid #1b2942; padding-top: 1.6rem; font-size: .82rem; line-height: 1.65; }
.foot-legal p { margin-bottom: .9rem; }
.foot-legal strong { color: var(--white); font-family: var(--display); }
.foot-copy { font-family: var(--mono); font-size: .72rem; color: var(--steel); margin-top: 1.4rem; }

/* ---------- misc ---------- */
.skip {
  position: absolute; left: -9999px; background: var(--copper); color: #fff;
  padding: .7rem 1.1rem; z-index: 200; border-radius: 0 0 var(--r) 0;
}
.skip:focus { left: 0; top: 0; }
.updated { font-family: var(--mono); font-size: .72rem; color: var(--steel); letter-spacing: .04em; }
.lead { font-size: 1.14rem; color: var(--ink-soft); }
.page-head { background: var(--white); border-bottom: 1px solid var(--rule); padding: clamp(2.6rem,5vw,4rem) 0; }
.crumbs { font-family: var(--mono); font-size: .72rem; color: var(--steel); margin-bottom: 1rem; letter-spacing: .04em; }
.crumbs a { color: var(--steel); text-decoration: none; }
.crumbs a:hover { color: var(--copper); }
.prose h2 { margin-top: 2.4rem; }
.prose h3 { margin-top: 1.9rem; }
.prose ul, .prose ol { padding-left: 1.3rem; margin-bottom: 1.2rem; }
.prose li { margin-bottom: .5rem; }
.stack > * + * { margin-top: 1.5rem; }
.center { text-align: center; }
.mt-0 { margin-top: 0; }

/* long unbroken tokens (filenames, domains) must not force horizontal scroll */
body { overflow-wrap: break-word; }
.post-body, .prose, .measure, .card, .note { overflow-wrap: anywhere; }