/* ═══════════════════════════════════════════════════════════════════════
   Is That Natural? — v3 design system  (itn-child/assets/itn.css)
   Loaded on every template via functions.php. Tokens first, then chrome,
   then page modules: .home-*, .ingr-*, .arch-*, .page-*.
   ═══════════════════════════════════════════════════════════════════════ */
:root{
  --ink:#0B0F0C;--ink-2:#151A16;--paper:#F6F7F4;--surface:#FFFFFF;--line:#E3E6E0;--line-2:#CFD4CB;--muted:#6B7280;--faint:#9CA3AF;
  --green:#16A34A;--green-deep:#15803D;--green-soft:#E7F7EC;--lime:#A3E635;
  --t-petro:#64748B;--t-mostp:#F97316;--t-half:#EAB308;--t-mostn:#84CC16;--t-nat:#16A34A;
  --sans:Geist,"Inter Tight",Inter,system-ui,-apple-system,sans-serif;--serif:"Instrument Serif",Georgia,"Times New Roman",serif;--mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --r:14px;--r-s:8px;--shadow:0 1px 2px rgba(11,15,12,.04),0 12px 40px -16px rgba(11,15,12,.18);
  color-scheme:light dark;
}
@media(prefers-color-scheme:dark){:root{--ink:#F3F4F1;--ink-2:#E5E7E2;--paper:#0B0F0C;--surface:#121713;--line:#22291F;--line-2:#2E3729;--muted:#9CA3AF;--faint:#6B7280;--green:#4ADE80;--green-deep:#22C55E;--green-soft:#0F2A18;--t-petro:#94A3B8;--t-mostp:#FB923C;--t-half:#FACC15;--t-mostn:#A3E635;--t-nat:#4ADE80;--shadow:0 1px 2px rgba(0,0,0,.3),0 12px 40px -16px rgba(0,0,0,.6)}}

body.itn-legacy{--ink:#0B0F0C;--ink-2:#151A16;--paper:#F6F7F4;--surface:#FFFFFF;--line:#E3E6E0;--line-2:#CFD4CB;--muted:#6B7280;--faint:#9CA3AF;--green:#16A34A;--green-deep:#15803D;--green-soft:#E7F7EC;--t-petro:#64748B;--t-mostp:#F97316;--t-half:#EAB308;--t-mostn:#84CC16;--t-nat:#16A34A;color-scheme:light}

/* ── reset & base ─────────────────────────────────────────────────── */
body.itn,body.itn *,body.itn *::before,body.itn *::after{box-sizing:border-box}
body.itn{margin:0!important;padding:0!important;font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased;font-size:15px}
body.itn h1,body.itn h2,body.itn h3,body.itn p,body.itn ul,body.itn ol,body.itn table{margin:0;padding:0}
body.itn h1,body.itn h2,body.itn h3,body.itn h4,body.itn h5,body.itn h6{font-family:var(--sans);color:inherit;line-height:1.15}
body.itn h1 em,body.itn h2 em,body.itn h3 em{font-family:var(--serif)}
body.itn-legacy h1,body.itn-legacy h2,body.itn-legacy h3{font-family:var(--serif)}
body.itn a{color:inherit;text-decoration:none}
body.itn .site-header,body.itn .wp-block-template-part,body.itn .wp-site-blocks>header,body.itn #wpadminbar+.site-header{display:none!important}
body.itn img{max-width:100%;height:auto}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
.t{font-size:clamp(1.6rem,2.6vw,2.2rem);font-weight:600;letter-spacing:-.03em;line-height:1.1;margin:8px 0 6px}
.t em,.hd em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:0}
.sub{color:var(--muted);font-size:15px;max-width:560px}
.prose{font-size:15.5px;line-height:1.7;color:var(--ink-2);max-width:680px}.prose p+p{margin-top:14px}.prose strong{color:var(--ink);font-weight:600}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;box-shadow:var(--shadow)}
.sr{position:absolute;left:0;top:0;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ── nav ──────────────────────────────────────────────────────────── */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);background:color-mix(in srgb,var(--paper) 80%,transparent);border-bottom:1px solid var(--line)}
.nav .wrap{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:19px;letter-spacing:-.035em;white-space:nowrap}
.brand svg{width:28px;height:28px;flex:none;color:var(--ink)}
.brand em{font-family:var(--serif);font-style:italic;font-weight:400;font-size:1.16em;letter-spacing:-.01em}
.links{display:flex;align-items:center;gap:4px}
.links a{font-size:13.5px;font-weight:500;color:var(--muted);padding:7px 12px;border-radius:99px;transition:.15s}
.links a:hover,.links a.on{color:var(--ink);background:color-mix(in srgb,var(--ink) 6%,transparent)}
.links .nav-cta{margin-left:8px;color:var(--paper)}
.burger{display:none;flex-direction:column;justify-content:center;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-right:-8px}
.burger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.22s}
.nav.open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav.open .burger span:nth-child(2){opacity:0}.nav.open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* Tools dropdown (itn_nav): a mouse opens it on hover; click, tap and keyboard set .open.
   At phone width it sits in the burger panel as a labelled group of plain links. */
.dd{position:relative}
.dd-btn{display:inline-flex;align-items:center;gap:6px;font:500 13.5px/1.55 var(--sans);color:inherit;background:none;border:0;padding:7px 12px;border-radius:99px;cursor:pointer;transition:.15s}
.dd-btn svg{transition:transform .15s}
.dd-btn:hover,.dd.on .dd-btn,.dd.open .dd-btn{color:var(--ink);background:color-mix(in srgb,var(--ink) 6%,transparent)}
.dd-btn:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.dd-menu{position:absolute;top:calc(100% + 10px);left:50%;width:296px;margin-left:-148px;display:flex;flex-direction:column;gap:2px;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);visibility:hidden;opacity:0;transform:translateY(-4px);transition:opacity .12s,transform .12s,visibility 0s linear .12s}
.dd-menu::before{content:"";position:absolute;left:0;right:0;top:-11px;height:11px}
.dd.open .dd-menu{visibility:visible;opacity:1;transform:none;transition:opacity .12s,transform .12s}
.dd.open .dd-btn svg{transform:rotate(180deg)}
@media(hover:hover) and (min-width:781px){.dd:hover .dd-menu{visibility:visible;opacity:1;transform:none;transition:opacity .12s,transform .12s}.dd:hover .dd-btn svg{transform:rotate(180deg)}}
.dd-label{display:none}
.links .dd-menu a{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:10px;color:var(--ink)}
.links .dd-menu a b{font-weight:500;font-size:14px;line-height:1.3}
.links .dd-menu a span{font-size:12.5px;line-height:1.4;color:var(--muted)}
.links .dd-menu a:hover,.links .dd-menu a:focus-visible,.links .dd-menu a.on{background:color-mix(in srgb,var(--ink) 5%,transparent)}
.links .dd-menu a.on b::after{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);margin-left:8px;vertical-align:2px}
@media(max-width:780px){.dd-btn{display:none}.dd-menu,.dd.open .dd-menu{position:static;visibility:visible;opacity:1;transform:none;width:auto;margin:6px 0;padding:8px 0 6px;border:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);border-radius:0;box-shadow:none;background:none;transition:none}.dd-menu::before{display:none}.dd-label{display:block;padding:2px 14px 4px;font:600 11px/1.4 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}.links .dd-menu a{padding:10px 14px;border-radius:8px}.links .dd-menu a span{display:none}}
@media(prefers-reduced-motion:reduce){.dd-menu,.dd.open .dd-menu,.dd:hover .dd-menu,.dd-btn svg{transition:none}}

body.admin-bar .nav{top:32px}
@media(max-width:782px){body.admin-bar .nav{top:46px}}

/* ── buttons & chips ──────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:13.5px;font-weight:600;padding:10px 18px;border-radius:99px;background:var(--ink);color:var(--paper);border:1px solid var(--ink);transition:.15s;cursor:pointer;line-height:1.2;font-family:var(--sans)}
.btn:hover{transform:translateY(-1px)}
body.itn a.btn{color:var(--paper)}body.itn a.btn.ghost{color:var(--ink)}body.itn a.btn.lime,body.itn .how a.btn,body.itn .dark-card a.btn{color:#0B0F0C}body.itn .links a.nav-cta{color:var(--paper)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn.lime{background:var(--lime);color:#0B0F0C;border-color:var(--lime)}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:99px;border:1px solid var(--line);color:var(--muted);white-space:nowrap;line-height:1.4}
.chip::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--c,var(--faint));flex:none}
.chip.nat{--c:var(--t-nat);color:var(--green-deep);border-color:color-mix(in srgb,var(--t-nat) 35%,transparent)}
.chip.mostn{--c:var(--t-mostn);color:#4D7C0F}.chip.half{--c:var(--t-half);color:#A16207}.chip.mostp{--c:var(--t-mostp);color:#C2410C}.chip.petro{--c:var(--t-petro);color:#475569}
.chip.route{--c:linear-gradient(135deg,var(--t-petro) 50%,var(--t-nat) 50%);border-style:dashed}
@media(prefers-color-scheme:dark){.chip.mostn{color:#BEF264}.chip.half{color:#FDE047}.chip.mostp{color:#FDBA74}.chip.petro{color:#CBD5E1}}

/* ── ingredient table ─────────────────────────────────────────────── */
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;position:relative}
.tbl{width:100%;border-collapse:collapse;min-width:0}
.tbl th{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);text-align:left;padding:0 14px 12px;border-bottom:1px solid var(--line)}
.tbl th:first-child,.tbl td:first-child{padding-left:0}
.tbl td{padding:15px 14px;border-bottom:1px solid var(--line);vertical-align:middle;font-size:14.5px}
.tbl tbody tr{cursor:pointer;transition:background .12s}.tbl tbody tr:hover{background:color-mix(in srgb,var(--ink) 3%,transparent)}
.tbl .nm{font-weight:600;letter-spacing:-.01em}.tbl .nm a{display:block}.tbl .fn{color:var(--muted);font-size:13px}
.tbl .num{font-family:var(--mono);font-size:14px;font-weight:500;width:90px;white-space:nowrap}
.tbl .bar{width:160px}.tbl .bar i{display:block;height:6px;border-radius:3px;background:var(--line);position:relative;overflow:hidden}
.tbl .bar i::after{content:'';position:absolute;inset:0;width:var(--w,0%);border-radius:3px;background:var(--t-nat)}
.tbl .bar i.mostn::after{background:var(--t-mostn)}.tbl .bar i.half::after{background:var(--t-half)}.tbl .bar i.mostp::after{background:var(--t-mostp)}.tbl .bar i.petro::after{background:var(--t-petro)}
.tbl .bar i.route::after{background:repeating-linear-gradient(90deg,var(--t-petro) 0 6px,transparent 6px 10px);width:100%}
.tbl .go{color:var(--faint);text-align:right;width:40px}

/* ── footer ───────────────────────────────────────────────────────── */
.foot{border-top:1px solid var(--line);padding:40px 0;color:var(--muted);font-size:13px;margin-top:40px}
.foot .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.foot-links a{margin-left:18px}.foot-links a:hover{color:var(--ink)}

/* ── home ─────────────────────────────────────────────────────────── */
.home-hero{padding:96px 0 72px;position:relative;overflow:hidden}
.home-hero::before{content:'';position:absolute;inset:-40% -20% auto;height:120%;background:radial-gradient(60% 55% at 70% 20%,color-mix(in srgb,var(--lime) 22%,transparent),transparent 70%);pointer-events:none}
.home-hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:64px;align-items:end}
.home-hero h1{font-size:clamp(3rem,6.2vw,5.4rem);font-weight:500;letter-spacing:-.045em;line-height:.98;margin:18px 0 22px}
.home-hero h1 em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em}
.home-hero .lede{font-size:17px;color:var(--muted);max-width:520px}
.ask{margin-top:34px;display:flex;align-items:center;background:var(--surface);border:1px solid var(--line-2);border-radius:99px;padding:6px 6px 6px 22px;box-shadow:var(--shadow);max-width:640px}
.ask .lead{font-family:var(--serif);font-style:italic;font-size:26px;color:var(--muted);white-space:nowrap}
.ask input{flex:1;border:0;background:none;outline:0;font:500 22px/1 var(--sans);letter-spacing:-.02em;color:var(--ink);padding:12px 14px;min-width:0}
.ask input::placeholder{color:var(--faint);font-weight:400}
.ask .qm{width:40px;height:40px;flex:none;display:flex;color:var(--ink)}
.ask button{flex:none;height:46px;padding:0 22px;border-radius:99px;border:0;background:var(--ink);color:var(--paper);font:600 14px var(--sans);cursor:pointer}
.sugg{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}.sugg a{font-size:12.5px;color:var(--muted);border:1px solid var(--line);padding:5px 11px;border-radius:99px}.sugg a:hover{color:var(--ink);border-color:var(--line-2)}
.home-side{display:grid;grid-template-columns:minmax(0,1fr);gap:4px}
.big{font-family:var(--mono);font-size:56px;font-weight:500;letter-spacing:-.05em;line-height:1}
.spectrum{height:10px;border-radius:99px;background:linear-gradient(90deg,var(--t-petro),var(--t-mostp),var(--t-half),var(--t-mostn),var(--t-nat));margin:18px 0 10px;position:relative}
.spectrum b{position:absolute;top:-5px;width:20px;height:20px;border-radius:50%;background:var(--paper);border:3px solid var(--ink);transform:translateX(-50%)}
.dist{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-top:14px}.dist div{font-size:11px;color:var(--muted);line-height:1.3}.dist b{display:block;font-family:var(--mono);font-size:18px;color:var(--ink);font-weight:500}
.tiers{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.tiers .wrap{display:grid;grid-template-columns:repeat(6,1fr);padding:0 32px}
.tiers a{padding:18px 16px;border-right:1px solid var(--line);font-size:12.5px;font-weight:600;display:block}.tiers a:last-child{border-right:0}.tiers a:hover{background:var(--paper)}
.tiers small{display:block;font-family:var(--mono);font-weight:400;color:var(--faint);font-size:11px;margin-top:2px}
.tiers i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:8px;vertical-align:1px;background:var(--dot)}
.sec{padding:80px 0}.sec.tight{padding-top:0}
.head{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.filters{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:22px}.filters a{font-size:12.5px;font-weight:500;padding:6px 13px;border-radius:99px;border:1px solid var(--line);color:var(--muted)}.filters a.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.vid-card{margin:0 0 28px}.vid-frame{position:relative;aspect-ratio:16/9;background:#0B0F0C;border-radius:24px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}.vid-frame video{display:block;width:100%;height:100%;object-fit:cover;background:#0B0F0C}.vid-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:inline-flex;align-items:center;gap:8px;padding:13px 22px 13px 18px;border-radius:99px;border:0;background:var(--lime);color:#0B0F0C;font:600 14px var(--sans);letter-spacing:-.01em;cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.28);transition:.15s}.vid-play:hover,.vid-play:focus-visible{transform:translate(-50%,-50%) scale(1.05)}.vid-card.is-playing .vid-play{display:none}.vid-card figcaption{margin-top:12px;font-size:13.5px;color:var(--muted);text-align:center;line-height:1.5}
/* mechanism films on ingredient pages: white films, so a matching frame before the poster loads */
.vid-card.mech{margin:0}.vid-card.mech .vid-frame,.vid-card.mech .vid-frame video{background:#FBFBFB}.vid-card.mech figcaption{text-align:left;max-width:680px}
.how{background:#0B0F0C;color:#F6F7F4;border-radius:24px;padding:56px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.how h2{font-size:clamp(1.8rem,3vw,2.6rem);font-weight:500;letter-spacing:-.035em;line-height:1.05}.how h2 em{font-family:var(--serif);font-style:italic;font-weight:400}
.how p{color:rgba(246,247,244,.62);margin-top:14px;font-size:15px}.how .btn{margin-top:26px;background:var(--lime);border-color:var(--lime);color:#0B0F0C}.how .eyebrow{color:rgba(246,247,244,.45)}
.frag{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:22px}
body.itn .frag h3{font-size:13px;font-weight:600;letter-spacing:.02em;display:flex;justify-content:space-between}.frag h3 span{font-family:var(--mono);color:var(--lime)}
.stack{display:flex;height:34px;border-radius:8px;overflow:hidden;margin:16px 0 10px;font-family:var(--mono);font-size:12px;color:#fff}.stack div{display:flex;align-items:center;padding:0 12px;white-space:nowrap;overflow:hidden}
.frag table{width:100%;font-size:12.5px;border-collapse:collapse;color:rgba(246,247,244,.75)}.frag td{padding:7px 0;border-top:1px solid rgba(255,255,255,.08)}.frag td:last-child{text-align:right;font-family:var(--mono)}
.cta{padding:0 0 40px}.cta .card{display:flex;justify-content:space-between;align-items:center;gap:32px;padding:40px 44px;flex-wrap:wrap}
.cta h2{font-size:clamp(1.6rem,2.6vw,2.2rem);font-weight:500;letter-spacing:-.035em;line-height:1.1}.cta h2 em{font-family:var(--serif);font-style:italic;font-weight:400}
.cta .actions{display:flex;gap:10px;flex-wrap:wrap}

/* ── ingredient page ───────────────────────────────────────────────── */
.crumbs{font-size:12.5px;color:var(--faint);padding:18px 0 0}.crumbs a{color:var(--muted)}.crumbs a:hover{color:var(--ink)}.crumbs span{margin:0 8px}
.ingr-hero{padding:36px 0 40px;border-bottom:1px solid var(--line)}
.ingr-hero .wrap{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:56px;align-items:start}
.ingr-hero h1{font-size:clamp(2.4rem,4.6vw,3.9rem);font-weight:500;letter-spacing:-.045em;line-height:1;margin:14px 0 18px}.ingr-hero h1 em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em}
.verdict{font-size:19px;line-height:1.5;max-width:640px}.verdict b{color:var(--green-deep)}.verdict b.no{color:var(--t-mostp)}.verdict b.dep{color:var(--muted)}
.meta{display:flex;gap:28px;flex-wrap:wrap;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.meta div{font-size:13.5px}.meta small{display:block;font-size:10.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:3px}.meta .mono{font-size:13px}
.score{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow);position:sticky;top:84px}
.score .num{font-family:var(--mono);font-size:64px;font-weight:500;letter-spacing:-.06em;line-height:1;color:var(--green-deep)}
.score .num.mostn{color:#4D7C0F}.score .num.half{color:#A16207}.score .num.mostp{color:#C2410C}.score .num.petro{color:#475569}.score .num.route{color:var(--muted);font-size:40px;line-height:1.5}
@media(prefers-color-scheme:dark){.score .num.mostn{color:#BEF264}.score .num.half{color:#FDE047}.score .num.mostp{color:#FDBA74}.score .num.petro{color:#CBD5E1}}
.score .den{color:var(--faint);font-size:13px;margin:2px 0 12px}
.score .row{display:flex;justify-content:space-between;align-items:center;gap:16px}
.score .conf{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);display:grid;gap:6px}.score .conf b{color:var(--ink);font-weight:500}
.score .btn{width:100%;margin-top:18px}
.ingr-body{padding:56px 0 40px}.ingr-body .wrap{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:56px;align-items:start}
.block{padding:34px 0;border-bottom:1px solid var(--line)}.block:first-child{padding-top:0}.block.last{border-bottom:0}
body.itn .block h2{font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:18px}
.calc-wrap,.route-wrap{overflow-x:auto}
.calc{width:100%;border-collapse:collapse;font-size:14px}.calc td,.calc th{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.calc th{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);font-weight:600}
.calc td:first-child,.calc th:first-child{padding-left:0}.calc .mono{font-size:13px}.calc .tot td{font-weight:600;border-bottom:0}
.calc-text{font-family:var(--mono);font-size:13px;line-height:1.7;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 18px;white-space:pre-wrap}
.callout{background:var(--green-soft);border-left:3px solid var(--green);padding:18px 22px;border-radius:0 12px 12px 0;font-size:14.5px;line-height:1.65;margin-top:18px}.callout b{font-weight:600}
.callout.warn{background:color-mix(in srgb,var(--t-half) 14%,var(--surface));border-color:var(--t-half)}
.struct{display:flex;gap:28px;align-items:flex-start;flex-wrap:wrap}.struct img{width:220px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}
.refs{list-style:none;display:grid;gap:10px;font-size:13.5px;color:var(--muted)}.refs li{display:flex;gap:12px}.refs b{font-family:var(--mono);color:var(--green-deep);font-weight:500;min-width:18px}.refs a{color:var(--green-deep)}
.rail{display:grid;grid-template-columns:minmax(0,1fr);gap:14px}
.facts{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:6px 20px}.facts div{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid var(--line);font-size:13.5px}.facts div:last-child{border:0}.facts span{color:var(--muted);flex:none}.facts b{font-weight:500;text-align:right;word-break:break-word}.facts .mono{font-size:12.5px}.facts a{color:var(--green-deep)}
.rel{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}body.itn .rel h3{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);padding:14px 20px;border-bottom:1px solid var(--line)}
.rel a{display:flex;justify-content:space-between;padding:12px 20px;border-bottom:1px solid var(--line);font-size:13.5px;font-weight:500}.rel a:last-child{border:0}.rel a:hover{background:var(--paper)}.rel .mono{font-size:13px;color:var(--green-deep)}
.dark-card{background:#0B0F0C;color:#F6F7F4;border-radius:16px;padding:24px}body.itn .dark-card h3{font-size:17px;font-weight:500;letter-spacing:-.02em;line-height:1.3}.dark-card p{font-size:13px;color:rgba(246,247,244,.6);margin:8px 0 16px}.dark-card .btn{width:100%;background:var(--lime);border-color:var(--lime);color:#0B0F0C}
.route-table{width:100%;border-collapse:collapse;font-size:13.5px}.route-table th{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);text-align:left;padding:0 12px 10px;border-bottom:1px solid var(--line)}.route-table td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}.route-table th:first-child,.route-table td:first-child{padding-left:0}.route-table .mono{font-weight:500}

/* ── archive ───────────────────────────────────────────────────────── */
.arch-head{padding:56px 0 28px}
.arch-head h1{font-size:clamp(2rem,4vw,3rem);font-weight:500;letter-spacing:-.04em;line-height:1.05;margin:10px 0 8px}.arch-head h1 em{font-family:var(--serif);font-style:italic;font-weight:400}
.arch-tools{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:26px 0 18px}
.search{display:flex;align-items:center;flex:1;min-width:260px;max-width:520px;background:var(--surface);border:1px solid var(--line-2);border-radius:99px;padding:4px 4px 4px 18px}
.search input{flex:1;border:0;background:none;outline:0;font:500 15px var(--sans);color:var(--ink);padding:9px 8px;min-width:0}.search input::placeholder{color:var(--faint);font-weight:400}
.search button{height:38px;padding:0 16px;border-radius:99px;border:0;background:var(--ink);color:var(--paper);font:600 13px var(--sans);cursor:pointer}
.count{font-size:13px;color:var(--muted)}.count b{color:var(--ink);font-family:var(--mono);font-weight:500}
.pager{display:flex;gap:6px;justify-content:center;margin:36px 0 0;flex-wrap:wrap}.pager a,.pager span{font-family:var(--mono);font-size:13px;padding:8px 13px;border-radius:99px;border:1px solid var(--line);color:var(--muted)}.pager a:hover{color:var(--ink);border-color:var(--line-2)}.pager .cur{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.empty{padding:48px 0;color:var(--muted)}

/* ── generic pages (services, certification, categories, method) ───── */
.page-hero{padding:72px 0 40px}.page-hero h1{font-size:clamp(2.2rem,4.6vw,3.6rem);font-weight:500;letter-spacing:-.045em;line-height:1.02;margin:12px 0 16px}.page-hero h1 em{font-family:var(--serif);font-style:italic;font-weight:400}
.page-hero .lede{font-size:17px;color:var(--muted);max-width:620px}
.page-body{padding:16px 0 40px}
.legacy a{color:var(--green-deep)}

/* ── responsive ────────────────────────────────────────────────────── */
@media(max-width:900px){.home-hero .wrap,.how,.ingr-hero .wrap,.ingr-body .wrap{grid-template-columns:minmax(0,1fr)}.score .row{flex-wrap:wrap}.score .num{font-size:52px}.tiers .wrap{grid-template-columns:1fr 1fr 1fr}.tiers a{border-bottom:1px solid var(--line)}.ask .lead{display:none}.score{position:static}.home-hero{padding:64px 0 48px}.how{padding:36px}}
@media(max-width:780px){.wrap{padding:0 18px}.vid-frame{border-radius:16px}.vid-card{margin-bottom:20px}.vid-play{padding:11px 18px 11px 14px;font-size:13px}.links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 16px 14px;gap:2px;box-shadow:0 8px 24px rgba(0,0,0,.07)}.nav.open .links{display:flex}.links a{padding:10px 14px;font-size:14px;border-radius:8px}.links .nav-cta{margin:6px 0 0;text-align:center;border-radius:8px}.burger{display:flex}.tbl .bar,.tbl .fn{display:none}.tiers .wrap{grid-template-columns:1fr 1fr;padding:0 18px}.dist{grid-template-columns:repeat(3,1fr)}.cta .card{padding:28px 22px}}

/* chemistry */
body.itn .formula sub{font-size:.72em;line-height:0;vertical-align:-.25em;font-family:inherit}

/* hubs & alternatives ───────────────────────────────────────────────────── */
/* function hub (taxonomy-ingredient_function.php): tier-count strip under the H1 */
.hub-tiers{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 6px}
.hub-tiers span{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:99px;padding:6px 13px}
.hub-tiers span b{font-family:var(--mono);color:var(--ink);font-weight:600}
.hub-tiers span i{width:7px;height:7px;border-radius:50%;flex:none}

/* A–Z index (page-a-z.php): sticky letter nav + compact multi-column lists */
.az-nav{position:sticky;top:64px;z-index:40;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:12px 0}
.az-nav .wrap{display:flex;gap:4px;flex-wrap:wrap}
.az-nav a{font-family:var(--mono);font-size:12.5px;font-weight:600;color:var(--muted);padding:5px 9px;border-radius:6px}
.az-nav a:hover{color:var(--ink);background:color-mix(in srgb,var(--ink) 6%,transparent)}
.az-body{padding:40px 0 60px}
.az-group{padding:22px 0;border-bottom:1px solid var(--line)}
.az-group h2{font-family:var(--serif);font-size:28px;font-weight:400;font-style:italic;color:var(--green-deep);margin-bottom:14px}
.az-list{columns:4 220px;column-gap:24px}
.az-list a{display:flex;justify-content:space-between;gap:10px;padding:6px 0;font-size:13.5px;break-inside:avoid}
.az-list a:hover{color:var(--green-deep)}
.az-list a .mono{color:var(--faint);font-size:11.5px;flex:none}

/* natural alternatives (single-ingredient.php): card grid */
.alt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:4px}
.alt-card{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:18px 20px}
.alt-card .nm{font-weight:600;font-size:14.5px;letter-spacing:-.01em;color:var(--ink)}
.alt-card p{font-size:12.5px;line-height:1.6;color:var(--muted)}

@media(max-width:780px){.az-nav{top:0}.az-list{columns:2 160px}}

/* info pages ────────────────────────────────────────────────────────────
   About, Contact, Privacy, Terms and Corrections (page-about.php,
   page-contact.php, page-privacy-policy.php, page-terms.php,
   page-corrections.php): one readable column under the shared .page-hero. */
.page-hero .info-date{margin-top:18px;font-family:var(--mono);font-size:12px;letter-spacing:.02em;color:var(--faint)}
.info-body{max-width:820px;padding-block:8px 72px}
.info-prose{font-size:15.5px;line-height:1.72;color:var(--ink-2)}
.info-prose p{margin:0 0 16px}
.info-prose strong{color:var(--ink);font-weight:600}
body.itn .info-prose h2{font-size:20px;font-weight:600;letter-spacing:-.025em;color:var(--ink);margin:46px 0 14px;padding-top:24px;border-top:1px solid var(--line)}
body.itn .info-prose>h2:first-child{margin-top:6px;padding-top:0;border-top:0}
body.itn .info-prose h3{font-size:15px;font-weight:600;letter-spacing:-.015em;color:var(--ink);margin:0 0 12px}
body.itn .info-prose a{color:var(--green-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;text-decoration-color:color-mix(in srgb,var(--green-deep) 35%,transparent)}
body.itn .info-prose a:hover{text-decoration-color:var(--green-deep)}

/* bulleted lists: a tier-coloured dot instead of a browser marker */
.info-list{list-style:none;margin:0 0 16px;padding:0}
.info-list li{position:relative;padding-left:20px;margin-bottom:10px}
.info-list li:last-child{margin-bottom:0}
.info-list li::before{content:'';position:absolute;left:2px;top:.62em;width:5px;height:5px;border-radius:50%;background:var(--t-mostn)}

/* review conventions (corrections): one bordered block per convention */
.info-conv{list-style:none;margin:0 0 16px;padding:0;display:grid;gap:10px}
.info-conv li{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--t-mostn);border-radius:var(--r-s);padding:14px 18px;font-size:14.5px;line-height:1.65}

/* dated changelog entries */
.info-log{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px 24px;margin:0 0 16px}
body.itn .info-log h3{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;font-size:15px;margin:0 0 14px}
.info-log h3 time{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.01em;color:var(--green-deep);background:var(--green-soft);border-radius:99px;padding:3px 10px}
.info-log p:last-child,.info-log .info-list:last-child,.info-log .info-note:last-child{margin-bottom:0}

/* before / after score table (corrections) */
.info-delta{width:100%;border-collapse:collapse;margin:4px 0 14px;font-size:13.5px}
.info-delta th{text-align:left;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);padding:0 12px 10px;border-bottom:1px solid var(--line)}
.info-delta th:first-child,.info-delta td:first-child{padding-left:0}
.info-delta td{padding:11px 12px;border-bottom:1px solid var(--line);color:var(--muted);vertical-align:top}
.info-delta td:first-child{color:var(--ink);font-weight:600}
.info-delta tbody tr:last-child td{border-bottom:0}
.info-delta .mono{font-size:13px;color:var(--ink);white-space:nowrap}

/* contact card */
.info-contact{margin:6px 0 10px}
.info-contact p{margin:0;color:var(--muted);font-size:13.5px}
.info-contact .info-email{margin:10px 0 12px;font-family:var(--mono);font-size:clamp(16px,3.2vw,21px);font-weight:600;letter-spacing:-.02em;color:var(--ink);word-break:break-word}
body.itn .info-contact .info-email a{color:var(--ink);text-decoration-color:color-mix(in srgb,var(--green) 50%,transparent)}
body.itn .info-contact .info-email a:hover{color:var(--green-deep)}

/* the required attribution string, and small print under a section */
.info-cite{margin:0 0 16px;font-family:var(--mono);font-size:14px;color:var(--ink);background:var(--green-soft);border:1px solid color-mix(in srgb,var(--green) 22%,transparent);border-radius:var(--r-s);padding:12px 16px}
.info-note{margin:22px 0 0;font-size:12.5px;color:var(--faint)}

@media(max-width:780px){
  .info-body{padding-block:4px 52px}
  body.itn .info-prose h2{margin-top:34px;padding-top:20px}
  .info-conv li{padding:13px 15px}
  .info-log{padding:18px 18px}
  .info-delta{min-width:540px}
}