/* Stratum — temanaskincare.com
   One stylesheet. No framework, no build step, no JavaScript, no webfonts.
   A claim cannot appear without the apparatus that supports it, so the
   apparatus — verdict, evidence card, rule strip — is the visual system. */

:root{
  color-scheme: light dark;

  --paper:  #FAF7F1;
  --panel:  #F2EDE3;
  --ink:    #17140F;
  --meta:   #6A6154;
  --rule:   #DCD3C4;
  --clay:   #8A3324;
  --clay-dk:#5E2118;
  --slate:  #33484F;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --measure: 66ch;
  --gap: 1.45rem;
}

@media (prefers-color-scheme: dark){
  :root{
    --paper:#14120E; --panel:#1E1A14; --ink:#EDE7DB; --meta:#A79C8B;
    --rule:#322C22; --clay:#E0846E; --clay-dk:#F0A594; --slate:#8FB2BC;
  }
}

*,*::before,*::after{box-sizing:border-box;border-radius:0}
html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font:400 18px/1.65 var(--serif);
  font-synthesis-weight:none;
  text-rendering:optimizeLegibility;
}
@media (max-width:640px){ body{font-size:17px;line-height:1.6} }

.wrap{max-width:var(--measure);margin:0 auto;padding:0 1.25rem}
.wide{max-width:88ch;margin:0 auto;padding:0 1.25rem}

a{color:var(--clay);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.15em}
a:hover,a:focus{color:var(--clay-dk);text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px}

.skip{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip:focus{width:auto;height:auto;clip-path:none;left:.6rem;top:.6rem;z-index:5;background:var(--panel);padding:.5rem .8rem;border:1px solid var(--rule)}

/* ── masthead ─────────────────────────────────────────────────────── */

.mast{border-bottom:1px solid var(--rule);background:var(--panel)}
.mast-in{display:flex;flex-wrap:wrap;gap:.9rem 1.6rem;align-items:baseline;justify-content:space-between;padding-top:1.15rem;padding-bottom:1.15rem;max-width:88ch}
.brand{text-decoration:none;color:var(--ink);display:block;line-height:1.1}
.brand:hover{color:var(--ink)}
.brand b{display:block;font:600 1.6rem/1 var(--serif);letter-spacing:.005em}
.brand .addr{display:block;font:400 .7rem/1.6 var(--sans);color:var(--meta);letter-spacing:.11em;text-transform:uppercase;margin-top:.28rem}
.mast nav{font:400 .88rem/1.5 var(--sans)}
.mast nav a{color:var(--ink);text-decoration:none;margin-left:1.15rem;border-bottom:1px solid transparent;padding-bottom:1px}
.mast nav a:first-child{margin-left:0}
.mast nav a:hover,.mast nav a[aria-current]{color:var(--clay);border-bottom-color:var(--clay)}

.strap{border-bottom:1px solid var(--rule)}
.strap p{max-width:88ch;margin:0 auto;padding:.85rem 1.25rem;font:400 .95rem/1.5 var(--sans);color:var(--meta)}

/* ── headings and prose ───────────────────────────────────────────── */

main{padding:2.6rem 0 3.5rem;display:block}

h1,h2,h3{line-height:1.2;font-weight:600;font-family:var(--serif)}
h1{font-size:2.05rem;margin:0 0 .9rem;letter-spacing:-.01em}
@media (max-width:640px){ h1{font-size:1.7rem} }
h2{font-size:1.35rem;margin:2.6rem 0 .85rem;padding-top:.9rem;border-top:1px solid var(--rule)}
h3{font-size:1.08rem;margin:1.9rem 0 .55rem}
p{margin:0 0 var(--gap)}
ul,ol{margin:0 0 var(--gap);padding-left:1.35rem}
li{margin-bottom:.5rem}
strong{font-weight:600}
hr{border:0;border-top:1px solid var(--rule);margin:2.4rem 0}
sup a{font:400 .72rem/1 var(--sans);text-decoration:none;padding:0 .1em}
sup a:hover{text-decoration:underline}

.lede{font-size:1.13rem;color:var(--meta)}
.dateline{font:400 .8rem/1.6 var(--sans);color:var(--meta);letter-spacing:.06em;text-transform:uppercase;margin:0 0 1.6rem}
.dateline span{white-space:nowrap}
.dateline span+span::before{content:" · ";color:var(--rule)}

blockquote{margin:0 0 var(--gap);padding:.15rem 0 .15rem 1.15rem;border-left:2px solid var(--rule);color:var(--meta);font-style:italic}
blockquote p:last-child{margin-bottom:0}

code,.e{font:400 .87em/1.45 var(--mono);font-variant-numeric:tabular-nums;word-break:break-word}

/* ── hero image ───────────────────────────────────────────────────── */

figure{margin:0 0 2rem}
figure img{display:block;width:100%;height:auto;border:1px solid var(--rule)}
figcaption{font:400 .82rem/1.55 var(--sans);color:var(--meta);margin-top:.55rem}

/* ── 1. verdict block ─────────────────────────────────────────────── */

.verdict{background:var(--panel);border-left:3px solid var(--clay);padding:1.1rem 1.25rem .4rem;margin:0 0 2.1rem}
.verdict>.lab{display:block;font:600 .7rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--clay);margin-bottom:.7rem}
.verdict p{margin-bottom:.85rem}
.verdict p:last-child{margin-bottom:.85rem}

/* ── 2. evidence card ─────────────────────────────────────────────── */

.ev{border:1px solid var(--rule);background:var(--panel);margin:0 0 var(--gap);padding:.35rem 0}
.ev dl{display:grid;grid-template-columns:11.5ch 1fr;gap:0;margin:0}
.ev dt{font:600 .68rem/1.7 var(--sans);letter-spacing:.11em;text-transform:uppercase;color:var(--meta);padding:.42rem .5rem .42rem 1rem;border-top:1px solid var(--rule)}
.ev dd{margin:0;padding:.42rem 1rem .42rem .5rem;border-top:1px solid var(--rule);font-size:.94rem}
.ev dl>dt:first-of-type,.ev dl>dt:first-of-type + dd{border-top:0}
.ev dd .num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:.88em}
@media (max-width:560px){
  .ev dl{grid-template-columns:1fr}
  .ev dt{padding:.5rem 1rem 0;border-top:1px solid var(--rule)}
  .ev dd{padding:.05rem 1rem .5rem;border-top:0}
  .ev dl>dt:first-of-type + dd{border-top:0}
}

.cert{font:600 .7rem/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;border:1px solid currentColor;padding:.26em .5em;display:inline-block}
.cert-high{color:#1B5D3A}
.cert-mod{color:var(--slate)}
.cert-low{color:#8A5A15}
.cert-vlow,.cert-none{color:var(--clay)}
@media (prefers-color-scheme: dark){
  .cert-high{color:#7FCF9B} .cert-low{color:#D9A24F}
}

/* ── 3. rule strip ────────────────────────────────────────────────── */

.rulestrip{border:1px solid var(--rule);border-left:3px solid var(--slate);margin:0 0 var(--gap)}
.rulestrip>div{padding:.85rem 1.1rem;border-top:1px solid var(--rule)}
.rulestrip>div:first-child{border-top:0}
.rulestrip .lab{display:block;font:600 .68rem/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--slate);margin-bottom:.45rem}
.rulestrip p{margin:0;font-size:.97rem}
@media (min-width:720px){
  .rulestrip{display:grid;grid-template-columns:1fr 1fr}
  .rulestrip>div{border-top:0}
  .rulestrip>div+div{border-left:1px solid var(--rule)}
}

/* ── 4. where the evidence stops ──────────────────────────────────── */

.stops{border-top:2px solid var(--clay);margin-top:2.8rem;padding-top:1.1rem}
.stops h2{border-top:0;padding-top:0;margin-top:0}

/* ── sources ──────────────────────────────────────────────────────── */

.sources{margin-top:2.8rem;border-top:1px solid var(--rule);padding-top:1.2rem}
.sources h2{border-top:0;padding-top:0;margin-top:0;font-size:1.1rem}
.sources ol{font:400 .9rem/1.6 var(--sans);padding-left:1.6rem}
.sources li{margin-bottom:.65rem}
.sources li a{word-break:break-word}

/* ── homepage: the decoded label ──────────────────────────────────── */

.decode{border:1px solid var(--rule);margin:0 0 2rem;background:var(--panel)}
.decode>.cap{padding:.85rem 1.1rem;border-bottom:1px solid var(--rule);font:400 .84rem/1.5 var(--sans);color:var(--meta)}
.decode>.cap b{color:var(--ink);font-weight:600}
.decode table{width:100%;border-collapse:collapse;font-size:.93rem}
.decode th,.decode td{text-align:left;vertical-align:top;padding:.55rem .8rem;border-top:1px solid var(--rule)}
.decode thead th{font:600 .66rem/1.6 var(--sans);letter-spacing:.11em;text-transform:uppercase;color:var(--meta);border-top:0;background:transparent}
.decode td:first-child{font-family:var(--mono);font-size:.83rem;white-space:nowrap;color:var(--ink)}
.decode td:nth-child(2){color:var(--meta);font:400 .8rem/1.5 var(--sans);white-space:nowrap}
@media (max-width:700px){
  .decode thead{position:absolute;left:-9999px}
  .decode td{display:block;border-top:0;padding:.15rem .9rem}
  .decode tr{display:block;border-top:1px solid var(--rule);padding:.5rem 0}
  .decode td:first-child{white-space:normal;font-size:.86rem;padding-top:.5rem}
}

/* ── article grid ─────────────────────────────────────────────────── */

.grid{display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule);margin:1.6rem 0 0}
@media (min-width:760px){ .grid{grid-template-columns:1fr 1fr} }
.card{background:var(--paper);padding:1.15rem 1.2rem 1.25rem}
.card h3{margin:0 0 .4rem;font-size:1.06rem}
.card h3 a{text-decoration:none;color:var(--ink)}
.card h3 a:hover{color:var(--clay);text-decoration:underline}
.card p{margin:0;font:400 .91rem/1.55 var(--sans);color:var(--meta)}
.card .kick{display:block;font:600 .64rem/1 var(--sans);letter-spacing:.13em;text-transform:uppercase;color:var(--clay);margin-bottom:.55rem}

/* ── footer ───────────────────────────────────────────────────────── */

footer{border-top:1px solid var(--rule);background:var(--panel);margin-top:3.5rem;padding:1.9rem 0 2.4rem}
footer .wide{font:400 .87rem/1.7 var(--sans);color:var(--meta)}
footer p{margin:0 0 .75rem;max-width:74ch}
footer p:last-child{margin-bottom:0}
footer a{color:var(--clay)}
footer nav a{margin-right:1.1rem;white-space:nowrap}
footer .prov{border-left:2px solid var(--rule);padding-left:.9rem}

/* ── misc ─────────────────────────────────────────────────────────── */

.notfound{text-align:left}
.big{font:600 4rem/1 var(--mono);color:var(--rule);margin:0 0 .5rem}
table.plain{width:100%;border-collapse:collapse;font-size:.93rem;margin:0 0 var(--gap)}
table.plain th,table.plain td{text-align:left;vertical-align:top;padding:.5rem .7rem;border-top:1px solid var(--rule)}
table.plain thead th{font:600 .66rem/1.6 var(--sans);letter-spacing:.11em;text-transform:uppercase;color:var(--meta);border-top:0}
@media (max-width:640px){ table.plain{font-size:.88rem} table.plain th,table.plain td{padding:.45rem .4rem} }